Player · 247 career games · 2018-19–2026-27

Aki Nikaido

Few calls and few riichi, growing closed hands into big ones. Stands out for few deal-ins, early riichi and riichi-ing first. Career record: 0.0pt per game, close to average.

Closed-hand oriented
Few deal-ins
High-value hands
Early riichi
First riichi often
Dama-heavy

Actual / game

0.0

247 career games

Skill estimate / game

0.0

90% interval -3.8 to +3.8

Estimate, luck removed

-1.9

adjusted for starting hands, draws, ura-dora

Weight of the record

65%

share of the estimate from the record

Styleleague percentile, career

Average win value6,773
Riichi rate22.0%
Deal-in rate10.2%
Win rate19.3%
First riichi rate77.4%
Average riichi turn9.10
Call rate17.8%
Tenpai rate at exhaustive draws39.4%
Staying in vs riichi14.3%
Push rate vs riichi (1-shanten)39.5%
Push rate vs riichi (2+ shanten)27.4%
Tile efficiency match rate72.2%
Tenpai turn (luck-adjusted)8.18
Immediate riichi rate68.1%
Dama rate17.0%

Color only for metrics with a good side (red = good, blue = bad). Metrics of style, such as riichi rate, call rate and tile efficiency match rate, are gray. For tenpai turn, further right means later (a larger turn number). Values are estimates.

Placements247 career games, average placement 2.51

1st22.3%55×
2nd27.5%68×
3rd27.1%67×
4th23.1%57×

Riichi and callsbalance and outcome of hands with riichi or calls

Riichi income2,895
Riichi win rate47.7%
Riichi deal-in rate A14.1%
Riichi deal-in rate B11.0%
Riichi good-wait rate50.3%
Riichi exhaustive draw rate19.9%
Call income647
Win rate after calling30.3%
Deal-in rate after calling10.3%
Tenpai rate after the first call27.8%

Income is the average points won or lost in those hands (riichi sticks and honba included).

Net efficiency and morecalculated as on Mahjong Soul Paifuya, per hand

Net efficiency880
Deal-in loss596
Average win turn12.39

Deal-in loss = deal-in rate × average deal-in; net efficiency = win rate × average win − deal-in loss. Win and deal-in values include honba and riichi sticks. Win turn is the number of tiles discarded at the table when the win came ÷ 4 + 1. Win efficiency (win rate × average win) is not shown: players with a high win rate win smaller hands, the two cancel out, and differences between players cannot be told apart from chance.

Skill estimateleague percentile of the estimates

Points per game-0.0
Points per game, luck removed-1.9
Average placement2.51

Luckfurther right is luckier; values are differences from the league average (the dealer tsumo rate is the rate itself)

Points from luck (/game)+2.6
Draw luck-0.0%
Starting hand (shanten)+0.00
Dora and red fives dealt+0.01
Ura-dora luck+0.05
Ippatsu rate-1.1%
Avoiding a chase riichi (/first riichi)-1.6%
Mangan+ tsumo against dealer rate10.3%

Where the points came fromchange in expected points, all stages

Own wins+48.5
Deal-ins-18.8
Others' tsumo-25.9
Ron between others-3.6
Exhaustive draws0.0

Change in expected points per game. Total +0.1pt/game (247 games).

As a table

Hand result	Hands	Total	Per game
Own wins	588	+11984.8	+48.5
Deal-ins	306	-4649.6	-18.8
Others' tsumo	824	-6408.0	-25.9
Ron between others	672	-901.4	-3.6
Exhaustive draws	675	-2.6	0.0

Hand balance breakdownpoints won or lost per hand, all stages

Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	10.5%	+945	+919	+26
Wins with calls	5.4%	+311	+382	-71
Dama wins	3.3%	+217	+173	+44
Deal-ins to riichi	4.2%	-291	-360	+69
Deal-ins to open hands	3.8%	-191	-203	+13
Deal-ins to dama	2.0%	-107	-101	-6
Others' tsumo	26.9%	-764	-752	-11
Other (exhaustive draws, etc.)	43.9%	-66	-60	-6
Total (per hand)		+56

Every career number (estimate, 90% interval, weight of the record)

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.51	2.51 (2.41 to 2.60)	63%	47	247 games
Points per game	-0.0	-0.0 (-3.8 to 3.8)	65%	54	247 games
Points per game, luck removed	-2.6	-1.9 (-5.3 to 1.5)	72%	15	247 games
1st-place rate	22.3%	23.2% (19.5% to 26.9%)	66%	15	247 games
4th-place rate	23.1%	23.7% (19.9% to 27.4%)	67%	74	247 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	19.2%	19.3% (18.3% to 20.4%)	79%	25	3,065 hands
Deal-in rate	10.0%	10.2% (9.4% to 11.0%)	77%	92	3,065 hands
Riichi rate	21.8%	22.0% (20.8% to 23.1%)	81%	25	3,065 hands
Call rate	17.7%	17.8% (16.5% to 19.0%)	98%	9	3,065 hands
First riichi rate	78.4%	77.4% (75.3% to 79.6%)	60%	90	667 riichi
Average riichi turn	9.04	9.10 (8.92 to 9.29)	80%	92	667 riichi
Average win value	6,850	6,773 (6,514 to 7,031)	70%	80	588 wins
Average deal-in value	5,370	5,496 (5,221 to 5,770)	51%	84	306 deal-ins
Win efficiency	1,474	1,474 (1,407 to 1,541)	26%	54	3,065 hands
Deal-in loss	565	596 (545 to 648)	57%	94	3,065 hands
Net efficiency	909	880 (776 to 985)	61%	82	3,065 hands
Push rate vs riichi (1-shanten)	39.1%	39.5% (36.6% to 42.4%)	77%	25	614 hands facing riichi
Push rate vs riichi (2+ shanten)	27.7%	27.4% (24.7% to 30.1%)	87%	64	610 hands facing riichi
Tenpai rate after the first call	28.1%	27.8% (24.9% to 30.8%)	90%	64	541 first calls
Average win turn	12.50	12.39 (12.28 to 12.51)	13%	17	588 wins
Tenpai rate at exhaustive draws	39.3%	39.4% (36.7% to 42.2%)	79%	43	675 exhaustive draws
Staying in vs riichi	14.6%	14.3% (13.3% to 15.3%)	44%	76	1,598 hands facing an opponent’s riichi
Tile efficiency match rate	72.2%	72.2% (71.6% to 72.8%)	98%	35	16,601 discards
Average ukeire loss (tiles)	1.10	1.10 (1.07 to 1.14)	96%	64	15,990 discards
Breaking shape for value	1.8%	1.8% (1.7% to 2.0%)	95%	23	16,601 discards
Tenpai turn (luck-adjusted)	8.20	8.18 (8.10 to 8.26)	29%	74	683 tenpai hands
Immediate riichi rate	67.6%	68.1% (65.5% to 70.8%)	86%	17	683 tenpai hands
Dama rate	17.3%	17.0% (14.8% to 19.2%)	90%	86	588 wins
Riichi income	3,047	2,895 (2,529 to 3,262)	64%	94	667 riichi
Riichi win rate	48.1%	47.7% (44.9% to 50.5%)	79%	80	667 riichi
Riichi deal-in rate A	13.3%	14.1% (12.8% to 15.4%)	20%	80	667 riichi
Riichi deal-in rate B	10.9%	11.0% (9.6% to 12.4%)	42%	54	667 riichi
Riichi good-wait rate	50.5%	50.3% (47.6% to 52.9%)	69%	54	667 riichi
Riichi exhaustive draw rate	20.1%	19.9% (17.7% to 22.0%)	73%	66	667 riichi
Call income	823	647 (409 to 884)	48%	98	541 calls
Win rate after calling	30.5%	30.3% (27.6% to 33.0%)	68%	62	541 calls
Deal-in rate after calling	9.8%	10.3% (8.5% to 12.2%)	68%	88	541 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.00	49	3,065 hands
Dora and red fives dealt	+0.01	68	3,065 hands
Draw luck	-0.0%	41	38,259 tile draws
Ura-dora luck	+0.05	78	321 riichi wins
Ippatsu rate	-1.1%	41	321 riichi wins
Avoiding a chase riichi (/first riichi)	-1.6%	33	523 first riichi
Mangan+ tsumo against dealer rate	10.3%	94	824 tsumo against
Points from luck (/game)	+2.6	94	247 games

By seasonRegular Season

2026-27 (11 games · skill estimate -0.5pt/game)

Style

Average win value6,579
Riichi rate23.4%
Deal-in rate11.3%
Win rate19.6%
First riichi rate76.2%
Average riichi turn9.17
Call rate21.4%
Tenpai rate at exhaustive draws40.6%
Staying in vs riichi13.9%
Push rate vs riichi (1-shanten)42.5%
Push rate vs riichi (2+ shanten)23.6%
Tile efficiency match rate70.0%
Tenpai turn (luck-adjusted)8.16
Immediate riichi rate74.0%
Dama rate10.8%

Where the points came from

Own wins+43.1
Deal-ins-30.4
Others' tsumo-19.6
Ron between others-1.5
Exhaustive draws+1.9

Change in expected points per game. Total -6.5pt/game (11 games).

As a table

Hand result	Hands	Total	Per game
Own wins	24	+473.7	+43.1
Deal-ins	19	-334.1	-30.4
Others' tsumo	34	-215.8	-19.6
Ron between others	31	-16.0	-1.5
Exhaustive draws	32	+20.6	+1.9

Luck

Points from luck (/game)-6.9
Draw luck-0.2%
Starting hand (shanten)+0.01
Dora and red fives dealt+0.02
Ura-dora luck-0.26
Ippatsu rate-8.0%
Avoiding a chase riichi (/first riichi)-1.3%
Mangan+ tsumo against dealer rate2.9%

Every number for 2026-27

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.55	2.50 (2.27 to 2.73)	7%	52	11 games
Points per game	-6.2	-0.5 (-9.9 to 9.0)	8%	41	11 games
Points per game, luck removed	0.7	0.1 (-8.9 to 9.0)	10%	63	11 games
1st-place rate	18.2%	24.5% (15.3% to 33.8%)	8%	46	11 games
4th-place rate	9.1%	23.6% (14.1% to 33.0%)	8%	84	11 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	17.1%	19.6% (16.6% to 22.5%)	15%	22	140 hands
Deal-in rate	13.6%	11.3% (9.0% to 13.5%)	13%	22	140 hands
Riichi rate	27.1%	23.4% (20.2% to 26.6%)	16%	87	140 hands
Call rate	20.7%	21.4% (16.6% to 26.3%)	68%	17	140 hands
First riichi rate	78.9%	76.2% (71.4% to 81.1%)	8%	68	38 riichi
Average riichi turn	8.45	9.17 (8.68 to 9.67)	18%	84	38 riichi
Average win value	6,463	6,579 (5,897 to 7,261)	9%	63	24 wins
Average deal-in value	5,668	5,628 (5,046 to 6,210)	6%	36	19 deal-ins
Win efficiency	1,199	1,470 (1,360 to 1,579)	2%	33	140 hands
Deal-in loss	812	649 (530 to 768)	6%	14	140 hands
Net efficiency	386	806 (557 to 1,054)	7%	14	140 hands
Push rate vs riichi (1-shanten)	53.6%	42.5% (34.6% to 50.5%)	13%	88	28 hands facing riichi
Push rate vs riichi (2+ shanten)	12.5%	23.6% (13.9% to 33.3%)	15%	17	16 hands facing riichi
Tenpai rate after the first call	13.8%	21.9% (13.2% to 30.5%)	32%	14	29 first calls
Average win turn	11.95	12.38 (12.22 to 12.53)	1%	71	24 wins
Tenpai rate at exhaustive draws	43.8%	40.6% (32.9% to 48.3%)	15%	68	32 exhaustive draws
Staying in vs riichi	9.8%	13.9% (11.8% to 16.0%)	3%	14	61 hands facing an opponent’s riichi
Tile efficiency match rate	68.7%	70.0% (67.7% to 72.2%)	69%	4	753 discards
Average ukeire loss (tiles)	1.04	1.05 (0.92 to 1.18)	54%	60	709 discards
Breaking shape for value	2.1%	2.1% (1.5% to 2.7%)	44%	60	753 discards
Tenpai turn (luck-adjusted)	7.74	8.16 (8.02 to 8.29)	2%	17	33 tenpai hands
Immediate riichi rate	81.9%	74.0% (66.2% to 81.8%)	23%	95	33 tenpai hands
Dama rate	4.2%	10.8% (3.5% to 18.0%)	28%	26	24 wins
Riichi income	1,197	2,491 (1,621 to 3,360)	9%	17	38 riichi
Riichi win rate	44.7%	45.8% (38.2% to 53.3%)	18%	53	38 riichi
Riichi deal-in rate A	23.7%	14.5% (12.5% to 16.4%)	1%	9	38 riichi
Riichi deal-in rate B	18.4%	11.3% (8.6% to 14.1%)	4%	12	38 riichi
Riichi good-wait rate	44.7%	49.2% (42.6% to 55.7%)	11%	25	38 riichi
Riichi exhaustive draw rate	10.5%	18.1% (12.6% to 23.6%)	14%	6	38 riichi
Call income	383	482 (-16.01 to 979)	5%	52	29 calls
Win rate after calling	20.7%	28.9% (22.3% to 35.5%)	10%	24	29 calls
Deal-in rate after calling	17.2%	12.1% (7.5% to 16.7%)	10%	20	29 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.01	52	140 hands
Dora and red fives dealt	+0.02	68	140 hands
Draw luck	-0.2%	36	1,727 tile draws
Ura-dora luck	-0.26	4	17 riichi wins
Ippatsu rate	-8.0%	22	17 riichi wins
Avoiding a chase riichi (/first riichi)	-1.3%	44	30 first riichi
Mangan+ tsumo against dealer rate	2.9%	100	34 tsumo against
Points from luck (/game)	-6.9	12	11 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	12.1%	+992	+919	+73
Wins with calls	4.3%	+179	+382	-204
Dama wins	0.7%	+28	+173	-145
Deal-ins to riichi	4.3%	-392	-360	-32
Deal-ins to open hands	7.9%	-371	-203	-168
Deal-ins to dama	1.4%	-99	-101	+2
Others' tsumo	24.3%	-606	-752	+147
Other (exhaustive draws, etc.)	45.0%	-39	-60	+20
Total (per hand)		-309

2025-26 (26 games · skill estimate 1.7pt/game)

Style

Average win value6,570
Riichi rate21.1%
Deal-in rate10.3%
Win rate19.9%
First riichi rate75.0%
Average riichi turn9.30
Call rate23.8%
Tenpai rate at exhaustive draws39.3%
Staying in vs riichi14.3%
Push rate vs riichi (1-shanten)41.0%
Push rate vs riichi (2+ shanten)26.4%
Tile efficiency match rate74.2%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate68.5%
Dama rate13.5%

Where the points came from

Own wins+51.8
Deal-ins-12.1
Others' tsumo-24.3
Ron between others-5.4
Exhaustive draws0.0

Change in expected points per game. Total +10.0pt/game (26 games).

As a table

Hand result	Hands	Total	Per game
Own wins	66	+1347.7	+51.8
Deal-ins	28	-315.8	-12.1
Others' tsumo	88	-631.4	-24.3
Ron between others	80	-140.5	-5.4
Exhaustive draws	72	+0.5	0.0

Luck

Points from luck (/game)-1.3
Draw luck-0.5%
Starting hand (shanten)-0.02
Dora and red fives dealt-0.09
Ura-dora luck+0.04
Ippatsu rate-0.4%
Avoiding a chase riichi (/first riichi)+2.3%
Mangan+ tsumo against dealer rate10.2%

Every number for 2025-26

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.31	2.47 (2.27 to 2.66)	15%	75	26 games
Points per game	10.4	1.7 (-6.3 to 9.7)	16%	87	26 games
Points per game, luck removed	11.7	2.4 (-4.9 to 9.8)	21%	92	26 games
1st-place rate	34.6%	26.7% (18.9% to 34.5%)	17%	84	26 games
4th-place rate	23.1%	24.6% (16.7% to 32.5%)	18%	59	26 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	19.8%	19.9% (17.6% to 22.2%)	30%	37	334 hands
Deal-in rate	8.4%	10.3% (8.5% to 12.0%)	26%	95	334 hands
Riichi rate	17.4%	21.1% (18.6% to 23.5%)	31%	4	334 hands
Call rate	24.0%	23.8% (20.3% to 27.3%)	84%	37	334 hands
First riichi rate	67.2%	75.0% (70.5% to 79.5%)	11%	6	58 riichi
Average riichi turn	9.21	9.30 (8.87 to 9.74)	25%	47	58 riichi
Average win value	6,492	6,570 (6,026 to 7,114)	21%	50	66 wins
Average deal-in value	4,061	5,490 (4,939 to 6,041)	9%	92	28 deal-ins
Win efficiency	1,504	1,475 (1,372 to 1,578)	4%	47	334 hands
Deal-in loss	368	604 (501 to 708)	13%	97	334 hands
Net efficiency	1,135	878 (665 to 1,092)	14%	85	334 hands
Push rate vs riichi (1-shanten)	41.4%	41.0% (34.9% to 47.1%)	28%	53	70 hands facing riichi
Push rate vs riichi (2+ shanten)	27.5%	26.4% (20.4% to 32.4%)	43%	52	69 hands facing riichi
Tenpai rate after the first call	27.5%	26.7% (20.6% to 32.8%)	56%	70	80 first calls
Average win turn	12.49	12.38 (12.23 to 12.53)	2%	24	66 wins
Tenpai rate at exhaustive draws	37.5%	39.3% (33.3% to 45.4%)	29%	26	72 exhaustive draws
Staying in vs riichi	16.9%	14.3% (12.5% to 16.2%)	8%	82	183 hands facing an opponent’s riichi
Tile efficiency match rate	74.5%	74.2% (72.6% to 75.8%)	84%	49	1,780 discards
Average ukeire loss (tiles)	1.06	1.06 (0.96 to 1.16)	74%	72	1,714 discards
Breaking shape for value	1.2%	1.5% (1.0% to 1.9%)	65%	6	1,780 discards
Tenpai turn (luck-adjusted)	8.27	8.17 (8.04 to 8.30)	4%	85	64 tenpai hands
Immediate riichi rate	63.0%	68.5% (62.3% to 74.7%)	36%	11	64 tenpai hands
Dama rate	13.6%	13.5% (8.4% to 18.6%)	52%	82	66 wins
Riichi income	4,516	2,879 (2,077 to 3,681)	14%	92	58 riichi
Riichi win rate	53.4%	47.9% (41.2% to 54.5%)	25%	80	58 riichi
Riichi deal-in rate A	12.1%	14.3% (12.4% to 16.2%)	2%	72	58 riichi
Riichi deal-in rate B	10.3%	11.0% (8.4% to 13.6%)	6%	59	58 riichi
Riichi good-wait rate	41.4%	48.4% (42.4% to 54.3%)	16%	21	58 riichi
Riichi exhaustive draw rate	15.5%	18.5% (13.6% to 23.5%)	19%	49	58 riichi
Call income	1,165	567 (138 to 995)	12%	92	80 calls
Win rate after calling	32.5%	30.4% (25.3% to 35.6%)	24%	62	80 calls
Deal-in rate after calling	3.8%	9.7% (6.1% to 13.3%)	24%	100	80 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.02	26	334 hands
Dora and red fives dealt	-0.09	4	334 hands
Draw luck	-0.5%	19	4,072 tile draws
Ura-dora luck	+0.04	54	31 riichi wins
Ippatsu rate	-0.4%	57	31 riichi wins
Avoiding a chase riichi (/first riichi)	+2.3%	70	39 first riichi
Mangan+ tsumo against dealer rate	10.2%	82	88 tsumo against
Points from luck (/game)	-1.3	37	26 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	9.3%	+925	+919	+6
Wins with calls	7.8%	+392	+382	+10
Dama wins	2.7%	+186	+173	+13
Deal-ins to riichi	3.9%	-218	-360	+142
Deal-ins to open hands	2.4%	-107	-203	+96
Deal-ins to dama	2.1%	-61	-101	+39
Others' tsumo	26.3%	-686	-752	+66
Other (exhaustive draws, etc.)	45.5%	-70	-60	-11
Total (per hand)		+361

2024-25 (28 games · skill estimate 0.2pt/game)

Style

Average win value6,504
Riichi rate22.4%
Deal-in rate10.4%
Win rate20.2%
First riichi rate75.7%
Average riichi turn9.34
Call rate23.2%
Tenpai rate at exhaustive draws42.9%
Staying in vs riichi14.4%
Push rate vs riichi (1-shanten)42.2%
Push rate vs riichi (2+ shanten)23.7%
Tile efficiency match rate74.1%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate68.6%
Dama rate13.1%

Where the points came from

Own wins+48.1
Deal-ins-15.4
Others' tsumo-29.1
Ron between others-3.5
Exhaustive draws+1.6

Change in expected points per game. Total +1.8pt/game (28 games).

As a table

Hand result	Hands	Total	Per game
Own wins	70	+1346.9	+48.1
Deal-ins	30	-430.9	-15.4
Others' tsumo	97	-814.8	-29.1
Ron between others	79	-97.1	-3.5
Exhaustive draws	60	+45.2	+1.6

Luck

Points from luck (/game)+4.4
Draw luck+0.4%
Starting hand (shanten)-0.04
Dora and red fives dealt-0.03
Ura-dora luck+0.04
Ippatsu rate-1.6%
Avoiding a chase riichi (/first riichi)-4.3%
Mangan+ tsumo against dealer rate10.3%

Every number for 2024-25

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.46	2.49 (2.30 to 2.68)	16%	49	28 games
Points per game	1.4	0.2 (-7.6 to 8.1)	17%	46	28 games
Points per game, luck removed	-3.1	-0.7 (-7.8 to 6.5)	22%	41	28 games
1st-place rate	21.4%	24.4% (16.8% to 32.1%)	18%	35	28 games
4th-place rate	17.9%	23.6% (15.8% to 31.3%)	19%	75	28 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	20.8%	20.2% (17.9% to 22.5%)	30%	55	336 hands
Deal-in rate	8.9%	10.4% (8.6% to 12.1%)	26%	92	336 hands
Riichi rate	21.7%	22.4% (20.0% to 24.9%)	31%	35	336 hands
Call rate	23.2%	23.2% (19.7% to 26.6%)	84%	38	336 hands
First riichi rate	74.0%	75.7% (71.4% to 80.0%)	14%	41	73 riichi
Average riichi turn	9.34	9.34 (8.94 to 9.74)	30%	38	73 riichi
Average win value	6,200	6,504 (5,970 to 7,039)	22%	41	70 wins
Average deal-in value	5,103	5,577 (5,033 to 6,122)	9%	60	30 deal-ins
Win efficiency	1,456	1,473 (1,371 to 1,576)	4%	52	336 hands
Deal-in loss	482	619 (516 to 722)	13%	89	336 hands
Net efficiency	975	855 (642 to 1,068)	14%	72	336 hands
Push rate vs riichi (1-shanten)	45.3%	42.2% (36.2% to 48.1%)	29%	66	75 hands facing riichi
Push rate vs riichi (2+ shanten)	20.7%	23.7% (17.3% to 30.1%)	39%	18	58 hands facing riichi
Tenpai rate after the first call	33.3%	29.9% (23.7% to 36.1%)	56%	94	78 first calls
Average win turn	12.47	12.38 (12.23 to 12.53)	2%	21	70 wins
Tenpai rate at exhaustive draws	51.7%	42.9% (36.5% to 49.4%)	25%	92	60 exhaustive draws
Staying in vs riichi	18.7%	14.4% (12.6% to 16.3%)	8%	94	182 hands facing an opponent’s riichi
Tile efficiency match rate	74.3%	74.1% (72.5% to 75.6%)	84%	43	1,777 discards
Average ukeire loss (tiles)	1.07	1.07 (0.97 to 1.16)	74%	69	1,717 discards
Breaking shape for value	1.5%	1.7% (1.2% to 2.1%)	65%	21	1,777 discards
Tenpai turn (luck-adjusted)	8.33	8.17 (8.05 to 8.30)	4%	94	71 tenpai hands
Immediate riichi rate	63.9%	68.6% (62.7% to 74.6%)	39%	12	71 tenpai hands
Dama rate	12.9%	13.1% (8.1% to 18.1%)	53%	75	70 wins
Riichi income	2,022	2,524 (1,764 to 3,284)	16%	29	73 riichi
Riichi win rate	45.2%	45.8% (39.6% to 51.9%)	29%	49	73 riichi
Riichi deal-in rate A	13.7%	14.3% (12.4% to 16.2%)	3%	58	73 riichi
Riichi deal-in rate B	12.3%	11.1% (8.6% to 13.7%)	7%	41	73 riichi
Riichi good-wait rate	45.2%	48.9% (43.2% to 54.5%)	20%	29	73 riichi
Riichi exhaustive draw rate	20.5%	19.6% (14.9% to 24.2%)	23%	69	73 riichi
Call income	1,465	600 (169 to 1,031)	12%	100	78 calls
Win rate after calling	35.9%	31.2% (26.0% to 36.4%)	23%	92	78 calls
Deal-in rate after calling	10.3%	11.2% (7.6% to 14.8%)	23%	77	78 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.04	29	336 hands
Dora and red fives dealt	-0.03	29	336 hands
Draw luck	+0.4%	72	4,103 tile draws
Ura-dora luck	+0.04	69	33 riichi wins
Ippatsu rate	-1.6%	41	33 riichi wins
Avoiding a chase riichi (/first riichi)	-4.3%	35	54 first riichi
Mangan+ tsumo against dealer rate	10.3%	77	97 tsumo against
Points from luck (/game)	+4.4	83	28 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	9.8%	+766	+919	-153
Wins with calls	8.3%	+548	+382	+165
Dama wins	2.7%	+142	+173	-31
Deal-ins to riichi	3.3%	-258	-360	+102
Deal-ins to open hands	3.6%	-138	-203	+65
Deal-ins to dama	2.1%	-112	-101	-12
Others' tsumo	28.9%	-786	-752	-33
Other (exhaustive draws, etc.)	41.4%	-49	-60	+11
Total (per hand)		+113

2023-24 (23 games · skill estimate -0.8pt/game)

Style

Average win value6,764
Riichi rate23.3%
Deal-in rate11.0%
Win rate19.7%
First riichi rate76.0%
Average riichi turn9.24
Call rate21.2%
Tenpai rate at exhaustive draws40.3%
Staying in vs riichi14.1%
Push rate vs riichi (1-shanten)41.7%
Push rate vs riichi (2+ shanten)25.2%
Tile efficiency match rate71.9%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate70.8%
Dama rate13.7%

Where the points came from

Own wins+50.4
Deal-ins-22.3
Others' tsumo-28.9
Ron between others-6.3
Exhaustive draws+1.6

Change in expected points per game. Total -5.5pt/game (23 games).

As a table

Hand result	Hands	Total	Per game
Own wins	57	+1158.9	+50.4
Deal-ins	33	-512.7	-22.3
Others' tsumo	89	-664.3	-28.9
Ron between others	63	-145.8	-6.3
Exhaustive draws	56	+37.6	+1.6

Luck

Points from luck (/game)-1.0
Draw luck+0.0%
Starting hand (shanten)+0.03
Dora and red fives dealt+0.01
Ura-dora luck+0.03
Ippatsu rate-2.6%
Avoiding a chase riichi (/first riichi)-5.0%
Mangan+ tsumo against dealer rate9.0%

Every number for 2023-24

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.70	2.52 (2.32 to 2.72)	14%	9	23 games
Points per game	-5.4	-0.8 (-9.0 to 7.4)	15%	26	23 games
Points per game, luck removed	-4.4	-0.8 (-8.4 to 6.7)	19%	32	23 games
1st-place rate	17.4%	23.9% (15.9% to 31.9%)	15%	26	23 games
4th-place rate	26.1%	25.1% (16.9% to 33.2%)	16%	43	23 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	19.1%	19.7% (17.3% to 22.1%)	27%	24	298 hands
Deal-in rate	11.1%	11.0% (9.1% to 12.8%)	24%	52	298 hands
Riichi rate	24.8%	23.3% (20.8% to 25.9%)	29%	75	298 hands
Call rate	20.8%	21.2% (17.6% to 24.8%)	82%	29	298 hands
First riichi rate	75.7%	76.0% (71.6% to 80.3%)	14%	49	74 riichi
Average riichi turn	9.03	9.24 (8.84 to 9.64)	30%	83	74 riichi
Average win value	7,518	6,764 (6,197 to 7,331)	19%	92	57 wins
Average deal-in value	5,721	5,635 (5,100 to 6,171)	10%	42	33 deal-ins
Win efficiency	1,594	1,478 (1,374 to 1,582)	3%	77	298 hands
Deal-in loss	666	642 (536 to 748)	11%	43	298 hands
Net efficiency	928	847 (629 to 1,066)	13%	63	298 hands
Push rate vs riichi (1-shanten)	44.9%	41.7% (34.8% to 48.6%)	21%	66	49 hands facing riichi
Push rate vs riichi (2+ shanten)	24.6%	25.2% (19.0% to 31.3%)	42%	31	65 hands facing riichi
Tenpai rate after the first call	30.6%	28.2% (21.5% to 34.8%)	50%	80	62 first calls
Average win turn	12.57	12.38 (12.23 to 12.53)	1%	35	57 wins
Tenpai rate at exhaustive draws	41.1%	40.3% (33.7% to 46.9%)	24%	52	56 exhaustive draws
Staying in vs riichi	14.2%	14.1% (12.2% to 16.0%)	7%	60	162 hands facing an opponent’s riichi
Tile efficiency match rate	71.7%	71.9% (70.2% to 73.6%)	82%	29	1,563 discards
Average ukeire loss (tiles)	1.12	1.11 (1.00 to 1.21)	72%	80	1,502 discards
Breaking shape for value	2.9%	2.6% (2.1% to 3.1%)	62%	97	1,563 discards
Tenpai turn (luck-adjusted)	8.12	8.17 (8.04 to 8.29)	4%	46	66 tenpai hands
Immediate riichi rate	69.4%	70.8% (64.7% to 76.9%)	37%	43	66 tenpai hands
Dama rate	14.0%	13.7% (8.3% to 19.0%)	48%	67	57 wins
Riichi income	3,269	2,730 (1,973 to 3,488)	17%	86	74 riichi
Riichi win rate	47.3%	46.4% (40.3% to 52.5%)	30%	59	74 riichi
Riichi deal-in rate A	13.5%	14.3% (12.4% to 16.2%)	3%	67	74 riichi
Riichi deal-in rate B	9.5%	10.9% (8.4% to 13.4%)	8%	73	74 riichi
Riichi good-wait rate	55.4%	50.9% (45.3% to 56.5%)	20%	77	74 riichi
Riichi exhaustive draw rate	20.3%	19.5% (14.9% to 24.1%)	23%	66	74 riichi
Call income	313	470 (21.06 to 919)	9%	46	62 calls
Win rate after calling	22.6%	28.4% (22.8% to 34.0%)	20%	12	62 calls
Deal-in rate after calling	12.9%	11.8% (7.9% to 15.7%)	19%	41	62 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.03	60	298 hands
Dora and red fives dealt	+0.01	72	298 hands
Draw luck	+0.0%	69	3,678 tile draws
Ura-dora luck	+0.03	63	35 riichi wins
Ippatsu rate	-2.6%	35	35 riichi wins
Avoiding a chase riichi (/first riichi)	-5.0%	34	56 first riichi
Mangan+ tsumo against dealer rate	9.0%	86	89 tsumo against
Points from luck (/game)	-1.0	32	23 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	11.7%	+1,156	+919	+237
Wins with calls	4.7%	+290	+382	-92
Dama wins	2.7%	+148	+173	-25
Deal-ins to riichi	5.0%	-391	-360	-31
Deal-ins to open hands	4.0%	-144	-203	+59
Deal-ins to dama	2.0%	-154	-101	-53
Others' tsumo	29.9%	-841	-752	-89
Other (exhaustive draws, etc.)	39.9%	-62	-60	-2
Total (per hand)		+1

2022-23 (23 games · skill estimate 0.2pt/game)

Style

Average win value6,717
Riichi rate22.5%
Deal-in rate10.4%
Win rate20.1%
First riichi rate77.0%
Average riichi turn9.10
Call rate17.4%
Tenpai rate at exhaustive draws41.6%
Staying in vs riichi14.0%
Push rate vs riichi (1-shanten)40.8%
Push rate vs riichi (2+ shanten)27.8%
Tile efficiency match rate73.6%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate70.0%
Dama rate17.6%

Where the points came from

Own wins+48.8
Deal-ins-16.9
Others' tsumo-26.5
Ron between others-4.1
Exhaustive draws+0.3

Change in expected points per game. Total +1.5pt/game (23 games).

As a table

Hand result	Hands	Total	Per game
Own wins	59	+1122.7	+48.8
Deal-ins	25	-389.6	-16.9
Others' tsumo	86	-609.4	-26.5
Ron between others	51	-95.2	-4.1
Exhaustive draws	70	+6.0	+0.3

Luck

Points from luck (/game)+2.2
Draw luck+0.5%
Starting hand (shanten)+0.04
Dora and red fives dealt+0.02
Ura-dora luck+0.14
Ippatsu rate-4.6%
Avoiding a chase riichi (/first riichi)+10.5%
Mangan+ tsumo against dealer rate10.5%

Every number for 2022-23

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.57	2.51 (2.31 to 2.71)	14%	43	23 games
Points per game	1.2	0.2 (-8.1 to 8.4)	15%	55	23 games
Points per game, luck removed	-1.0	-0.2 (-7.8 to 7.4)	19%	46	23 games
1st-place rate	21.7%	24.6% (16.5% to 32.6%)	15%	46	23 games
4th-place rate	30.4%	25.8% (17.6% to 33.9%)	16%	20	23 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	20.3%	20.1% (17.6% to 22.5%)	27%	62	291 hands
Deal-in rate	8.6%	10.4% (8.5% to 12.2%)	24%	87	291 hands
Riichi rate	22.0%	22.5% (20.0% to 25.1%)	28%	30	291 hands
Call rate	16.2%	17.4% (13.7% to 21.1%)	82%	11	291 hands
First riichi rate	84.4%	77.0% (72.6% to 81.5%)	12%	97	64 riichi
Average riichi turn	8.48	9.10 (8.68 to 9.52)	27%	100	64 riichi
Average win value	7,247	6,717 (6,155 to 7,278)	19%	78	59 wins
Average deal-in value	5,444	5,612 (5,051 to 6,172)	8%	55	25 deal-ins
Win efficiency	1,598	1,478 (1,374 to 1,582)	3%	65	291 hands
Deal-in loss	497	623 (517 to 729)	11%	90	291 hands
Net efficiency	1,102	869 (650 to 1,089)	13%	78	291 hands
Push rate vs riichi (1-shanten)	40.7%	40.8% (34.1% to 47.5%)	23%	71	54 hands facing riichi
Push rate vs riichi (2+ shanten)	31.5%	27.8% (21.2% to 34.3%)	37%	84	54 hands facing riichi
Tenpai rate after the first call	40.4%	32.0% (24.7% to 39.3%)	43%	90	47 first calls
Average win turn	11.72	12.37 (12.22 to 12.52)	1%	94	59 wins
Tenpai rate at exhaustive draws	45.7%	41.6% (35.5% to 47.7%)	28%	90	70 exhaustive draws
Staying in vs riichi	12.8%	14.0% (12.1% to 15.9%)	7%	27	141 hands facing an opponent’s riichi
Tile efficiency match rate	73.8%	73.6% (72.0% to 75.3%)	83%	71	1,628 discards
Average ukeire loss (tiles)	0.98	1.00 (0.90 to 1.10)	73%	23	1,572 discards
Breaking shape for value	1.4%	1.6% (1.2% to 2.1%)	63%	17	1,628 discards
Tenpai turn (luck-adjusted)	8.34	8.17 (8.05 to 8.30)	4%	84	70 tenpai hands
Immediate riichi rate	67.5%	70.0% (64.0% to 76.0%)	39%	30	70 tenpai hands
Dama rate	22.0%	17.6% (12.3% to 22.9%)	49%	90	59 wins
Riichi income	3,900	2,811 (2,026 to 3,595)	15%	97	64 riichi
Riichi win rate	51.6%	47.5% (41.1% to 53.9%)	27%	81	64 riichi
Riichi deal-in rate A	9.4%	14.2% (12.3% to 16.1%)	2%	90	64 riichi
Riichi deal-in rate B	4.7%	10.6% (8.0% to 13.2%)	7%	100	64 riichi
Riichi good-wait rate	57.8%	51.2% (45.4% to 57.0%)	18%	94	64 riichi
Riichi exhaustive draw rate	26.6%	20.8% (16.0% to 25.6%)	21%	94	64 riichi
Call income	389	479 (10.55 to 948)	7%	43	47 calls
Win rate after calling	27.7%	29.5% (23.5% to 35.4%)	16%	36	47 calls
Deal-in rate after calling	2.1%	10.1% (5.9% to 14.2%)	15%	92	47 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.04	71	291 hands
Dora and red fives dealt	+0.02	52	291 hands
Draw luck	+0.5%	81	3,632 tile draws
Ura-dora luck	+0.14	90	33 riichi wins
Ippatsu rate	-4.6%	30	33 riichi wins
Avoiding a chase riichi (/first riichi)	+10.5%	94	54 first riichi
Mangan+ tsumo against dealer rate	10.5%	58	86 tsumo against
Points from luck (/game)	+2.2	71	23 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	11.3%	+1,047	+919	+128
Wins with calls	4.5%	+193	+382	-189
Dama wins	4.5%	+358	+173	+185
Deal-ins to riichi	2.7%	-168	-360	+192
Deal-ins to open hands	5.5%	-311	-203	-108
Deal-ins to dama	0.3%	-27	-101	+73
Others' tsumo	29.6%	-829	-752	-76
Other (exhaustive draws, etc.)	41.6%	-14	-60	+46
Total (per hand)		+249

2021-22 (21 games · skill estimate 0.3pt/game)

Style

Average win value6,725
Riichi rate23.4%
Deal-in rate11.0%
Win rate20.2%
First riichi rate76.9%
Average riichi turn9.25
Call rate17.5%
Tenpai rate at exhaustive draws40.9%
Staying in vs riichi14.0%
Push rate vs riichi (1-shanten)41.7%
Push rate vs riichi (2+ shanten)27.8%
Tile efficiency match rate72.3%
Tenpai turn (luck-adjusted)8.16
Immediate riichi rate70.9%
Dama rate14.4%

Where the points came from

Own wins+53.2
Deal-ins-21.5
Others' tsumo-27.1
Ron between others-1.6
Exhaustive draws-0.7

Change in expected points per game. Total +2.2pt/game (21 games).

As a table

Hand result	Hands	Total	Per game
Own wins	58	+1117.9	+53.2
Deal-ins	31	-452.5	-21.5
Others' tsumo	78	-568.1	-27.1
Ron between others	61	-34.5	-1.6
Exhaustive draws	50	-15.6	-0.7

Luck

Points from luck (/game)+8.5
Draw luck+0.6%
Starting hand (shanten)+0.04
Dora and red fives dealt+0.04
Ura-dora luck-0.02
Ippatsu rate-3.6%
Avoiding a chase riichi (/first riichi)-10.9%
Mangan+ tsumo against dealer rate7.7%

Every number for 2021-22

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.38	2.48 (2.28 to 2.69)	13%	58	21 games
Points per game	2.4	0.3 (-8.1 to 8.7)	13%	52	21 games
Points per game, luck removed	-6.1	-1.1 (-8.8 to 6.7)	18%	36	21 games
1st-place rate	19.0%	24.2% (16.0% to 32.4%)	14%	30	21 games
4th-place rate	23.8%	24.7% (16.4% to 33.1%)	15%	63	21 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	20.9%	20.2% (17.7% to 22.7%)	26%	55	278 hands
Deal-in rate	11.2%	11.0% (9.1% to 12.8%)	23%	33	278 hands
Riichi rate	25.2%	23.4% (20.8% to 26.0%)	27%	81	278 hands
Call rate	16.2%	17.5% (13.8% to 21.2%)	81%	14	278 hands
First riichi rate	82.9%	76.9% (72.6% to 81.3%)	13%	90	70 riichi
Average riichi turn	9.04	9.25 (8.84 to 9.66)	29%	90	70 riichi
Average win value	7,302	6,725 (6,161 to 7,290)	19%	90	58 wins
Average deal-in value	5,597	5,623 (5,081 to 6,165)	10%	39	31 deal-ins
Win efficiency	1,672	1,480 (1,376 to 1,585)	3%	81	278 hands
Deal-in loss	661	641 (534 to 748)	11%	30	278 hands
Net efficiency	1,012	857 (635 to 1,079)	12%	71	278 hands
Push rate vs riichi (1-shanten)	44.9%	41.7% (34.8% to 48.6%)	21%	78	49 hands facing riichi
Push rate vs riichi (2+ shanten)	32.6%	27.8% (20.7% to 34.9%)	32%	94	43 hands facing riichi
Tenpai rate after the first call	15.6%	21.4% (14.0% to 28.8%)	42%	4	45 first calls
Average win turn	12.59	12.38 (12.23 to 12.53)	1%	49	58 wins
Tenpai rate at exhaustive draws	44.0%	40.9% (34.1% to 47.7%)	22%	71	50 exhaustive draws
Staying in vs riichi	13.7%	14.0% (12.1% to 16.0%)	6%	62	124 hands facing an opponent’s riichi
Tile efficiency match rate	72.1%	72.3% (70.6% to 73.9%)	83%	55	1,622 discards
Average ukeire loss (tiles)	1.15	1.13 (1.03 to 1.23)	72%	68	1,558 discards
Breaking shape for value	1.2%	1.5% (1.0% to 1.9%)	63%	11	1,622 discards
Tenpai turn (luck-adjusted)	8.09	8.16 (8.04 to 8.29)	4%	23	68 tenpai hands
Immediate riichi rate	69.6%	70.9% (64.8% to 76.9%)	38%	30	68 tenpai hands
Dama rate	15.5%	14.4% (9.1% to 19.7%)	48%	46	58 wins
Riichi income	2,946	2,674 (1,906 to 3,442)	16%	43	70 riichi
Riichi win rate	44.3%	45.5% (39.3% to 51.8%)	29%	31	70 riichi
Riichi deal-in rate A	12.9%	14.3% (12.4% to 16.2%)	3%	49	70 riichi
Riichi deal-in rate B	11.4%	11.1% (8.5% to 13.6%)	7%	28	70 riichi
Riichi good-wait rate	42.9%	48.4% (42.8% to 54.1%)	19%	17	70 riichi
Riichi exhaustive draw rate	22.9%	20.1% (15.4% to 24.7%)	22%	71	70 riichi
Call income	1,482	557 (84.69 to 1,028)	7%	90	45 calls
Win rate after calling	40.0%	31.3% (25.3% to 37.4%)	15%	90	45 calls
Deal-in rate after calling	13.3%	11.8% (7.6% to 16.0%)	15%	30	45 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.04	81	278 hands
Dora and red fives dealt	+0.04	68	278 hands
Draw luck	+0.6%	74	3,484 tile draws
Ura-dora luck	-0.02	43	31 riichi wins
Ippatsu rate	-3.6%	33	31 riichi wins
Avoiding a chase riichi (/first riichi)	-10.9%	11	58 first riichi
Mangan+ tsumo against dealer rate	7.7%	94	78 tsumo against
Points from luck (/game)	+8.5	90	21 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	11.2%	+1,099	+919	+180
Wins with calls	6.5%	+410	+382	+28
Dama wins	3.2%	+163	+173	-10
Deal-ins to riichi	4.7%	-372	-360	-12
Deal-ins to open hands	4.0%	-207	-203	-4
Deal-ins to dama	2.5%	-111	-101	-10
Others' tsumo	28.1%	-843	-752	-90
Other (exhaustive draws, etc.)	39.9%	-52	-60	+8
Total (per hand)		+88

2020-21 (28 games · skill estimate -0.2pt/game)

Style

Average win value6,634
Riichi rate22.8%
Deal-in rate10.5%
Win rate19.6%
First riichi rate75.8%
Average riichi turn9.25
Call rate17.0%
Tenpai rate at exhaustive draws38.1%
Staying in vs riichi14.0%
Push rate vs riichi (1-shanten)38.2%
Push rate vs riichi (2+ shanten)22.4%
Tile efficiency match rate70.6%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate72.0%
Dama rate17.5%

Where the points came from

Own wins+50.9
Deal-ins-20.6
Others' tsumo-27.8
Ron between others-3.3
Exhaustive draws-0.3

Change in expected points per game. Total -1.2pt/game (28 games).

As a table

Hand result	Hands	Total	Per game
Own wins	65	+1424.7	+50.9
Deal-ins	33	-576.8	-20.6
Others' tsumo	92	-777.8	-27.8
Ron between others	72	-93.0	-3.3
Exhaustive draws	85	-9.3	-0.3

Luck

Points from luck (/game)+8.0
Draw luck+0.6%
Starting hand (shanten)+0.03
Dora and red fives dealt-0.03
Ura-dora luck+0.09
Ippatsu rate-0.3%
Avoiding a chase riichi (/first riichi)+3.3%
Mangan+ tsumo against dealer rate9.8%

Every number for 2020-21

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.54	2.50 (2.31 to 2.69)	16%	47	28 games
Points per game	-1.3	-0.2 (-8.1 to 7.6)	17%	45	28 games
Points per game, luck removed	-9.4	-2.1 (-9.2 to 5.1)	22%	8	28 games
1st-place rate	21.4%	24.4% (16.8% to 32.1%)	18%	35	28 games
4th-place rate	21.4%	24.2% (16.5% to 32.0%)	19%	69	28 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	18.7%	19.6% (17.3% to 21.9%)	30%	42	347 hands
Deal-in rate	9.5%	10.5% (8.8% to 12.3%)	27%	80	347 hands
Riichi rate	22.8%	22.8% (20.3% to 25.2%)	32%	62	347 hands
Call rate	15.8%	17.0% (13.6% to 20.4%)	84%	15	347 hands
First riichi rate	74.7%	75.8% (71.6% to 80.1%)	15%	25	79 riichi
Average riichi turn	9.06	9.25 (8.86 to 9.64)	32%	76	79 riichi
Average win value	6,800	6,634 (6,088 to 7,180)	21%	52	65 wins
Average deal-in value	5,664	5,630 (5,094 to 6,165)	10%	39	33 deal-ins
Win efficiency	1,451	1,473 (1,371 to 1,576)	4%	56	347 hands
Deal-in loss	565	629 (527 to 732)	13%	73	347 hands
Net efficiency	885	843 (631 to 1,054)	15%	69	347 hands
Push rate vs riichi (1-shanten)	31.5%	38.2% (32.1% to 44.2%)	29%	8	73 hands facing riichi
Push rate vs riichi (2+ shanten)	18.3%	22.4% (16.4% to 28.3%)	44%	18	71 hands facing riichi
Tenpai rate after the first call	27.3%	26.4% (19.5% to 33.4%)	47%	42	55 first calls
Average win turn	12.42	12.38 (12.23 to 12.53)	2%	56	65 wins
Tenpai rate at exhaustive draws	34.1%	38.1% (32.4% to 43.8%)	32%	21	85 exhaustive draws
Staying in vs riichi	13.2%	14.0% (12.1% to 15.8%)	9%	39	190 hands facing an opponent’s riichi
Tile efficiency match rate	70.2%	70.6% (69.1% to 72.2%)	85%	21	1,903 discards
Average ukeire loss (tiles)	1.15	1.13 (1.03 to 1.22)	75%	56	1,826 discards
Breaking shape for value	1.9%	2.0% (1.5% to 2.4%)	67%	45	1,903 discards
Tenpai turn (luck-adjusted)	8.32	8.17 (8.05 to 8.30)	5%	56	82 tenpai hands
Immediate riichi rate	72.5%	72.0% (66.3% to 77.7%)	42%	52	82 tenpai hands
Dama rate	21.5%	17.5% (12.4% to 22.7%)	51%	83	65 wins
Riichi income	2,104	2,532 (1,787 to 3,277)	18%	39	79 riichi
Riichi win rate	45.6%	45.9% (39.9% to 51.8%)	31%	56	79 riichi
Riichi deal-in rate A	16.5%	14.4% (12.5% to 16.3%)	3%	32	79 riichi
Riichi deal-in rate B	13.9%	11.3% (8.8% to 13.8%)	8%	18	79 riichi
Riichi good-wait rate	53.2%	50.5% (45.0% to 55.9%)	21%	76	79 riichi
Riichi exhaustive draw rate	17.7%	18.9% (14.4% to 23.4%)	25%	35	79 riichi
Call income	558	493 (34.50 to 951)	8%	59	55 calls
Win rate after calling	27.3%	29.4% (23.6% to 35.1%)	18%	49	55 calls
Deal-in rate after calling	14.5%	12.1% (8.0% to 16.1%)	18%	27	55 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.03	59	347 hands
Dora and red fives dealt	-0.03	21	347 hands
Draw luck	+0.6%	90	4,412 tile draws
Ura-dora luck	+0.09	80	36 riichi wins
Ippatsu rate	-0.3%	45	36 riichi wins
Avoiding a chase riichi (/first riichi)	+3.3%	49	59 first riichi
Mangan+ tsumo against dealer rate	9.8%	73	92 tsumo against
Points from luck (/game)	+8.0	97	28 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	10.4%	+830	+919	-89
Wins with calls	4.3%	+330	+382	-53
Dama wins	4.0%	+291	+173	+118
Deal-ins to riichi	6.3%	-414	-360	-54
Deal-ins to open hands	2.9%	-171	-203	+32
Deal-ins to dama	0.3%	-12	-101	+89
Others' tsumo	26.5%	-776	-752	-23
Other (exhaustive draws, etc.)	45.2%	-79	-60	-20
Total (per hand)		-1

2019-20 (20 games · skill estimate -1.8pt/game)

Style

Average win value6,444
Riichi rate21.0%
Deal-in rate10.7%
Win rate19.4%
First riichi rate76.7%
Average riichi turn9.35
Call rate13.6%
Tenpai rate at exhaustive draws36.7%
Staying in vs riichi13.9%
Push rate vs riichi (1-shanten)42.0%
Push rate vs riichi (2+ shanten)27.5%
Tile efficiency match rate70.9%
Tenpai turn (luck-adjusted)8.16
Immediate riichi rate67.8%
Dama rate17.3%

Where the points came from

Own wins+36.8
Deal-ins-15.7
Others' tsumo-28.2
Ron between others-3.4
Exhaustive draws-3.6

Change in expected points per game. Total -14.1pt/game (20 games).

As a table

Hand result	Hands	Total	Per game
Own wins	38	+736.5	+36.8
Deal-ins	22	-314.2	-15.7
Others' tsumo	67	-564.9	-28.2
Ron between others	48	-67.7	-3.4
Exhaustive draws	46	-71.7	-3.6

Luck

Points from luck (/game)-5.7
Draw luck-1.6%
Starting hand (shanten)+0.01
Dora and red fives dealt+0.05
Ura-dora luck-0.03
Ippatsu rate-2.1%
Avoiding a chase riichi (/first riichi)-2.2%
Mangan+ tsumo against dealer rate13.4%

Every number for 2019-20

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.90	2.55 (2.34 to 2.75)	12%	5	20 games
Points per game	-14.3	-1.8 (-10.3 to 6.6)	13%	5	20 games
Points per game, luck removed	-8.7	-1.5 (-9.3 to 6.4)	17%	12	20 games
1st-place rate	15.0%	23.7% (15.4% to 32.0%)	13%	19	20 games
4th-place rate	40.0%	27.1% (18.6% to 35.5%)	14%	5	20 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	17.2%	19.4% (16.7% to 22.0%)	22%	8	221 hands
Deal-in rate	10.0%	10.7% (8.7% to 12.7%)	19%	65	221 hands
Riichi rate	15.4%	21.0% (18.2% to 23.9%)	23%	1	221 hands
Call rate	10.9%	13.6% (9.6% to 17.7%)	77%	8	221 hands
First riichi rate	85.3%	76.7% (71.7% to 81.6%)	7%	72	34 riichi
Average riichi turn	9.41	9.35 (8.84 to 9.86)	17%	33	34 riichi
Average win value	5,489	6,444 (5,818 to 7,070)	13%	12	38 wins
Average deal-in value	4,941	5,578 (5,007 to 6,149)	7%	79	22 deal-ins
Win efficiency	1,086	1,464 (1,358 to 1,571)	3%	5	221 hands
Deal-in loss	504	627 (516 to 738)	9%	82	221 hands
Net efficiency	582	810 (578 to 1,042)	10%	29	221 hands
Push rate vs riichi (1-shanten)	46.7%	42.0% (35.0% to 49.0%)	20%	72	45 hands facing riichi
Push rate vs riichi (2+ shanten)	30.5%	27.5% (21.1% to 33.9%)	39%	82	59 hands facing riichi
Tenpai rate after the first call	25.0%	25.5% (16.2% to 34.8%)	28%	29	24 first calls
Average win turn	12.55	12.38 (12.23 to 12.53)	1%	33	38 wins
Tenpai rate at exhaustive draws	23.9%	36.7% (29.7% to 43.7%)	20%	5	46 exhaustive draws
Staying in vs riichi	10.7%	13.9% (11.9% to 15.8%)	6%	19	122 hands facing an opponent’s riichi
Tile efficiency match rate	70.4%	70.9% (69.1% to 72.8%)	78%	33	1,165 discards
Average ukeire loss (tiles)	1.14	1.11 (1.00 to 1.23)	65%	61	1,120 discards
Breaking shape for value	2.4%	2.2% (1.7% to 2.7%)	55%	75	1,165 discards
Tenpai turn (luck-adjusted)	7.68	8.16 (8.02 to 8.29)	2%	8	37 tenpai hands
Immediate riichi rate	56.4%	67.8% (60.3% to 75.3%)	25%	12	37 tenpai hands
Dama rate	23.7%	17.3% (11.1% to 23.4%)	38%	82	38 wins
Riichi income	1,971	2,568 (1,683 to 3,454)	8%	33	34 riichi
Riichi win rate	50.0%	46.7% (38.9% to 54.4%)	16%	65	34 riichi
Riichi deal-in rate A	11.8%	14.3% (12.3% to 16.3%)	1%	66	34 riichi
Riichi deal-in rate B	11.8%	11.1% (8.3% to 13.8%)	4%	40	34 riichi
Riichi good-wait rate	41.2%	48.9% (42.2% to 55.5%)	10%	19	34 riichi
Riichi exhaustive draw rate	14.7%	18.7% (13.1% to 24.3%)	12%	26	34 riichi
Call income	1,617	530 (22.92 to 1,038)	4%	75	24 calls
Win rate after calling	50.0%	31.5% (24.7% to 38.4%)	9%	93	24 calls
Deal-in rate after calling	4.2%	10.9% (6.1% to 15.6%)	9%	79	24 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	+0.01	79	221 hands
Dora and red fives dealt	+0.05	82	221 hands
Draw luck	-1.6%	1	2,714 tile draws
Ura-dora luck	-0.03	29	17 riichi wins
Ippatsu rate	-2.1%	26	17 riichi wins
Avoiding a chase riichi (/first riichi)	-2.2%	22	29 first riichi
Mangan+ tsumo against dealer rate	13.4%	43	67 tsumo against
Points from luck (/game)	-5.7	8	20 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	7.7%	+545	+919	-374
Wins with calls	5.4%	+276	+382	-106
Dama wins	4.1%	+265	+173	+92
Deal-ins to riichi	5.0%	-321	-360	+39
Deal-ins to open hands	3.6%	-155	-203	+48
Deal-ins to dama	1.4%	-46	-101	+55
Others' tsumo	30.3%	-829	-752	-76
Other (exhaustive draws, etc.)	42.5%	-131	-60	-72
Total (per hand)		-395

2018-19 (24 games · skill estimate -0.3pt/game)

Style

Average win value6,627
Riichi rate21.1%
Deal-in rate10.8%
Win rate19.3%
First riichi rate76.8%
Average riichi turn9.39
Call rate15.0%
Tenpai rate at exhaustive draws36.6%
Staying in vs riichi14.1%
Push rate vs riichi (1-shanten)36.9%
Push rate vs riichi (2+ shanten)28.7%
Tile efficiency match rate70.8%
Tenpai turn (luck-adjusted)8.19
Immediate riichi rate65.6%
Dama rate19.4%

Where the points came from

Own wins+45.9
Deal-ins-19.6
Others' tsumo-22.6
Ron between others-3.1
Exhaustive draws-2.1

Change in expected points per game. Total -1.5pt/game (24 games).

As a table

Hand result	Hands	Total	Per game
Own wins	53	+1102.1	+45.9
Deal-ins	31	-471.6	-19.6
Others' tsumo	71	-542.5	-22.6
Ron between others	72	-73.3	-3.1
Exhaustive draws	74	-51.5	-2.1

Luck

Points from luck (/game)+6.5
Draw luck-0.5%
Starting hand (shanten)-0.06
Dora and red fives dealt-0.01
Ura-dora luck-0.09
Ippatsu rate+9.9%
Avoiding a chase riichi (/first riichi)-9.5%
Mangan+ tsumo against dealer rate8.5%

Every number for 2018-19

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.46	2.49 (2.29 to 2.69)	14%	60	24 games
Points per game	-2.0	-0.3 (-8.5 to 7.8)	15%	46	24 games
Points per game, luck removed	-8.5	-1.7 (-9.1 to 5.8)	20%	11	24 games
1st-place rate	16.7%	23.7% (15.8% to 31.7%)	16%	16	24 games
4th-place rate	12.5%	22.8% (14.8% to 30.9%)	17%	95	24 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	17.6%	19.3% (16.9% to 21.7%)	28%	16	301 hands
Deal-in rate	10.3%	10.8% (9.0% to 12.6%)	24%	65	301 hands
Riichi rate	16.9%	21.1% (18.5% to 23.6%)	29%	1	301 hands
Call rate	13.3%	15.0% (11.4% to 18.6%)	82%	11	301 hands
First riichi rate	84.3%	76.8% (72.2% to 81.5%)	10%	95	51 riichi
Average riichi turn	9.55	9.39 (8.93 to 9.84)	23%	65	51 riichi
Average win value	6,796	6,627 (6,048 to 7,205)	18%	50	53 wins
Average deal-in value	5,652	5,628 (5,087 to 6,170)	10%	55	31 deal-ins
Win efficiency	1,348	1,470 (1,366 to 1,574)	3%	11	301 hands
Deal-in loss	619	637 (531 to 742)	12%	60	301 hands
Net efficiency	729	821 (603 to 1,040)	13%	41	301 hands
Push rate vs riichi (1-shanten)	25.0%	36.9% (30.5% to 43.4%)	25%	1	60 hands facing riichi
Push rate vs riichi (2+ shanten)	32.9%	28.7% (22.7% to 34.7%)	44%	80	70 hands facing riichi
Tenpai rate after the first call	32.5%	28.3% (20.6% to 36.1%)	39%	65	40 first calls
Average win turn	13.10	12.39 (12.24 to 12.54)	1%	21	53 wins
Tenpai rate at exhaustive draws	28.4%	36.6% (30.6% to 42.6%)	29%	6	74 exhaustive draws
Staying in vs riichi	14.5%	14.1% (12.2% to 16.0%)	8%	65	165 hands facing an opponent’s riichi
Tile efficiency match rate	70.4%	70.8% (69.2% to 72.5%)	83%	16	1,636 discards
Average ukeire loss (tiles)	1.24	1.19 (1.09 to 1.29)	73%	85	1,574 discards
Breaking shape for value	2.4%	2.2% (1.8% to 2.7%)	63%	80	1,636 discards
Tenpai turn (luck-adjusted)	8.66	8.19 (8.06 to 8.32)	4%	100	67 tenpai hands
Immediate riichi rate	55.6%	65.6% (59.6% to 71.7%)	38%	1	67 tenpai hands
Dama rate	26.4%	19.4% (13.9% to 24.8%)	46%	95	53 wins
Riichi income	3,516	2,731 (1,907 to 3,554)	12%	60	51 riichi
Riichi win rate	52.9%	47.6% (40.6% to 54.5%)	23%	75	51 riichi
Riichi deal-in rate A	11.8%	14.3% (12.3% to 16.2%)	2%	60	51 riichi
Riichi deal-in rate B	11.8%	11.1% (8.4% to 13.7%)	5%	36	51 riichi
Riichi good-wait rate	62.7%	51.6% (45.5% to 57.8%)	15%	95	51 riichi
Riichi exhaustive draw rate	13.7%	18.3% (13.2% to 23.4%)	17%	21	51 riichi
Call income	97.50	462 (-17.38 to 941)	6%	50	40 calls
Win rate after calling	30.0%	29.8% (23.6% to 36.0%)	14%	50	40 calls
Deal-in rate after calling	15.0%	12.0% (7.7% to 16.3%)	13%	41	40 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.06	26	301 hands
Dora and red fives dealt	-0.01	60	301 hands
Draw luck	-0.5%	26	3,914 tile draws
Ura-dora luck	-0.09	21	27 riichi wins
Ippatsu rate	+9.9%	100	27 riichi wins
Avoiding a chase riichi (/first riichi)	-9.5%	1	43 first riichi
Mangan+ tsumo against dealer rate	8.5%	85	71 tsumo against
Points from luck (/game)	+6.5	95	24 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	9.0%	+834	+919	-85
Wins with calls	4.0%	+196	+382	-186
Dama wins	4.7%	+318	+173	+145
Deal-ins to riichi	2.7%	-189	-360	+171
Deal-ins to open hands	4.3%	-234	-203	-31
Deal-ins to dama	3.3%	-216	-101	-115
Others' tsumo	23.6%	-663	-752	+90
Other (exhaustive draws, etc.)	48.5%	-146	-60	-86
Total (per hand)		-100

Players with a similar styleclosest career style metrics first

Takaya MatsugaseFormer M.League playerIn common: Few deal-ins, Early riichi, Dama-heavy
Kazunori TakizawaKONAMI MAH-JONG FIGHT CLUBIn common: Dama-heavy, High-value hands, Closed-hand oriented
Yoshihiro MatsumotoShibuya ABEMASIn common: High-value hands

* Twelve style metrics, including call rate, riichi rate, win rate, deal-in rate, hand value, riichi speed and immediate riichi rate, are put on the same scale and compared; the players closest overall are listed. Metrics supported more strongly by the data receive more weight. The comparison shows how similar the players' styles are, not which is better. Differences are often small, so the order may change.