Player · 134 career games · 2018-19–2022-23

Jun Murakami

Calls little and builds closed hands. Stands out for late riichi, a lowish win rate and keeping shape and value over ukeire. Career record: -1.4pt per game, but allowing for luck the difference from average is not clear yet.

Closed-hand oriented
High-value hands
Dama-heavy

Actual / game

-1.4

134 career games

Skill estimate / game

-0.7

90% interval -5.4 to +4.0

Estimate, luck removed

-0.4

adjusted for starting hands, draws, ura-dora

Weight of the record

50%

share of the estimate from the record

Styleleague percentile, career

Average win value6,769
Riichi rate23.1%
Deal-in rate10.9%
Win rate18.2%
First riichi rate75.8%
Average riichi turn9.64
Call rate16.2%
Tenpai rate at exhaustive draws38.5%
Staying in vs riichi13.1%
Push rate vs riichi (1-shanten)39.6%
Push rate vs riichi (2+ shanten)19.4%
Tile efficiency match rate69.3%
Tenpai turn (luck-adjusted)8.19
Immediate riichi rate72.2%
Dama rate18.6%

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.

Placements134 career games, average placement 2.49

1st23.9%32×
2nd25.4%34×
3rd28.4%38×
4th22.4%30×

Riichi and callsbalance and outcome of hands with riichi or calls

Riichi income2,569
Riichi win rate44.4%
Riichi deal-in rate A14.3%
Riichi deal-in rate B10.9%
Riichi good-wait rate47.4%
Riichi exhaustive draw rate21.0%
Call income467
Win rate after calling26.8%
Deal-in rate after calling12.4%
Tenpai rate after the first call33.5%

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 efficiency787
Deal-in loss624
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-0.7
Points per game, luck removed-0.4
Average placement2.50

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

Points from luck (/game)-0.7
Draw luck+0.1%
Starting hand (shanten)-0.06
Dora and red fives dealt+0.00
Ura-dora luck+0.08
Ippatsu rate-3.8%
Avoiding a chase riichi (/first riichi)-1.9%
Mangan+ tsumo against dealer rate12.6%

Where the points came fromchange in expected points, all stages

Own wins+44.1
Deal-ins-18.9
Others' tsumo-23.6
Ron between others-2.2
Exhaustive draws-0.8

Change in expected points per game. Total -1.4pt/game (134 games).

As a table

Hand result	Hands	Total	Per game
Own wins	279	+5906.9	+44.1
Deal-ins	176	-2526.3	-18.9
Others' tsumo	419	-3162.9	-23.6
Ron between others	383	-296.1	-2.2
Exhaustive draws	355	-107.2	-0.8

Hand balance breakdownpoints won or lost per hand, all stages

Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	10.1%	+925	+919	+6
Wins with calls	3.8%	+227	+382	-155
Dama wins	3.4%	+178	+173	+5
Deal-ins to riichi	5.1%	-386	-360	-26
Deal-ins to open hands	3.6%	-136	-203	+67
Deal-ins to dama	2.2%	-104	-101	-3
Others' tsumo	26.0%	-743	-752	+10
Other (exhaustive draws, etc.)	45.8%	-73	-60	-13
Total (per hand)		-112

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

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.49	2.50 (2.38 to 2.61)	48%	60	134 games
Points per game	-1.4	-0.7 (-5.4 to 4.0)	50%	37	134 games
Points per game, luck removed	-0.7	-0.4 (-4.6 to 3.8)	58%	39	134 games
1st-place rate	23.9%	24.5% (19.9% to 29.0%)	51%	37	134 games
4th-place rate	22.4%	23.6% (19.0% to 28.2%)	53%	76	134 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	17.3%	18.2% (16.8% to 19.5%)	67%	3	1,612 hands
Deal-in rate	10.9%	10.9% (9.9% to 11.9%)	63%	49	1,612 hands
Riichi rate	23.2%	23.1% (21.6% to 24.5%)	69%	58	1,612 hands
Call rate	15.9%	16.2% (14.5% to 17.9%)	96%	5	1,612 hands
First riichi rate	75.7%	75.8% (73.3% to 78.4%)	45%	33	374 riichi
Average riichi turn	9.78	9.64 (9.41 to 9.87)	69%	1	374 riichi
Average win value	6,927	6,769 (6,436 to 7,101)	53%	78	279 wins
Average deal-in value	5,294	5,502 (5,170 to 5,833)	37%	82	176 deal-ins
Win efficiency	1,330	1,451 (1,371 to 1,532)	16%	5	1,612 hands
Deal-in loss	602	624 (560 to 687)	41%	72	1,612 hands
Net efficiency	728	787 (658 to 916)	45%	19	1,612 hands
Push rate vs riichi (1-shanten)	38.9%	39.6% (35.9% to 43.4%)	61%	29	288 hands facing riichi
Push rate vs riichi (2+ shanten)	17.8%	19.4% (16.0% to 22.7%)	80%	5	370 hands facing riichi
Tenpai rate after the first call	35.4%	33.5% (29.5% to 37.5%)	81%	96	257 first calls
Average win turn	12.53	12.39 (12.26 to 12.52)	6%	29	279 wins
Tenpai rate at exhaustive draws	37.7%	38.5% (35.0% to 42.0%)	66%	21	355 exhaustive draws
Staying in vs riichi	10.7%	13.1% (11.8% to 14.4%)	29%	1	814 hands facing an opponent’s riichi
Tile efficiency match rate	69.1%	69.3% (68.5% to 70.0%)	96%	3	8,485 discards
Average ukeire loss (tiles)	1.16	1.15 (1.10 to 1.20)	93%	78	8,098 discards
Breaking shape for value	2.1%	2.1% (1.9% to 2.3%)	90%	68	8,485 discards
Tenpai turn (luck-adjusted)	8.31	8.19 (8.09 to 8.29)	17%	88	333 tenpai hands
Immediate riichi rate	72.4%	72.2% (68.7% to 75.8%)	75%	54	333 tenpai hands
Dama rate	19.7%	18.6% (15.5% to 21.6%)	82%	96	279 wins
Riichi income	2,516	2,569 (2,126 to 3,013)	50%	37	374 riichi
Riichi win rate	43.6%	44.4% (40.8% to 47.9%)	68%	23	374 riichi
Riichi deal-in rate A	13.9%	14.3% (12.8% to 15.8%)	13%	60	374 riichi
Riichi deal-in rate B	10.4%	10.9% (9.2% to 12.6%)	29%	68	374 riichi
Riichi good-wait rate	45.5%	47.4% (44.1% to 50.6%)	56%	7	374 riichi
Riichi exhaustive draw rate	22.2%	21.0% (18.4% to 23.7%)	61%	88	374 riichi
Call income	421	467 (158 to 776)	30%	41	257 calls
Win rate after calling	23.7%	26.8% (23.3% to 30.2%)	50%	1	257 calls
Deal-in rate after calling	13.2%	12.4% (10.0% to 14.8%)	50%	23	257 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.06	3	1,612 hands
Dora and red fives dealt	+0.00	60	1,612 hands
Draw luck	+0.1%	70	20,005 tile draws
Ura-dora luck	+0.08	88	163 riichi wins
Ippatsu rate	-3.8%	11	163 riichi wins
Avoiding a chase riichi (/first riichi)	-1.9%	27	283 first riichi
Mangan+ tsumo against dealer rate	12.6%	37	419 tsumo against
Points from luck (/game)	-0.7	41	134 games

By seasonRegular Season

2022-23 (23 games · skill estimate -1.9pt/game)

Style

Average win value6,555
Riichi rate23.3%
Deal-in rate10.8%
Win rate18.5%
First riichi rate76.4%
Average riichi turn9.29
Call rate19.4%
Tenpai rate at exhaustive draws39.0%
Staying in vs riichi13.8%
Push rate vs riichi (1-shanten)42.3%
Push rate vs riichi (2+ shanten)24.4%
Tile efficiency match rate70.6%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate72.9%
Dama rate10.2%

Where the points came from

Own wins+35.5
Deal-ins-17.1
Others' tsumo-26.4
Ron between others-4.0
Exhaustive draws-1.4

Change in expected points per game. Total -13.5pt/game (23 games).

As a table

Hand result	Hands	Total	Per game
Own wins	39	+816.7	+35.5
Deal-ins	28	-394.4	-17.1
Others' tsumo	79	-607.3	-26.4
Ron between others	63	-91.9	-4.0
Exhaustive draws	66	-32.6	-1.4

Luck

Points from luck (/game)-9.8
Draw luck-0.3%
Starting hand (shanten)-0.02
Dora and red fives dealt+0.00
Ura-dora luck-0.08
Ippatsu rate-4.4%
Avoiding a chase riichi (/first riichi)+1.3%
Mangan+ tsumo against dealer rate11.4%

Every number for 2022-23

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.74	2.53 (2.33 to 2.73)	14%	12	23 games
Points per game	-13.4	-1.9 (-10.2 to 6.3)	15%	11	23 games
Points per game, luck removed	-3.6	-0.7 (-8.3 to 6.9)	19%	27	23 games
1st-place rate	8.7%	22.6% (14.5% to 30.6%)	15%	1	23 games
4th-place rate	21.7%	24.4% (16.2% to 32.5%)	16%	66	23 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	14.2%	18.5% (16.0% to 21.0%)	26%	1	275 hands
Deal-in rate	10.2%	10.8% (8.9% to 12.6%)	23%	55	275 hands
Riichi rate	24.7%	23.3% (20.7% to 25.9%)	27%	81	275 hands
Call rate	18.5%	19.4% (15.7% to 23.2%)	81%	30	275 hands
First riichi rate	79.4%	76.4% (72.1% to 80.8%)	13%	68	68 riichi
Average riichi turn	9.18	9.29 (8.88 to 9.70)	29%	65	68 riichi
Average win value	6,333	6,555 (5,933 to 7,178)	14%	27	39 wins
Average deal-in value	4,918	5,564 (5,013 to 6,115)	9%	94	28 deal-ins
Win efficiency	1,041	1,461 (1,356 to 1,565)	3%	4	275 hands
Deal-in loss	525	627 (519 to 734)	11%	78	275 hands
Net efficiency	517	797 (574 to 1,019)	12%	11	275 hands
Push rate vs riichi (1-shanten)	47.8%	42.3% (35.3% to 49.3%)	20%	87	46 hands facing riichi
Push rate vs riichi (2+ shanten)	22.9%	24.4% (18.4% to 30.4%)	44%	27	70 hands facing riichi
Tenpai rate after the first call	41.2%	32.7% (25.6% to 39.8%)	45%	94	51 first calls
Average win turn	11.96	12.38 (12.22 to 12.53)	1%	78	39 wins
Tenpai rate at exhaustive draws	36.4%	39.0% (32.8% to 45.3%)	27%	39	66 exhaustive draws
Staying in vs riichi	9.7%	13.8% (11.9% to 15.7%)	7%	4	145 hands facing an opponent’s riichi
Tile efficiency match rate	70.0%	70.6% (68.8% to 72.3%)	81%	14	1,394 discards
Average ukeire loss (tiles)	1.24	1.18 (1.08 to 1.29)	69%	97	1,337 discards
Breaking shape for value	1.6%	1.8% (1.3% to 2.2%)	59%	23	1,394 discards
Tenpai turn (luck-adjusted)	8.13	8.17 (8.04 to 8.30)	4%	36	60 tenpai hands
Immediate riichi rate	75.3%	72.9% (66.6% to 79.3%)	35%	71	60 tenpai hands
Dama rate	5.1%	10.2% (4.1% to 16.2%)	39%	11	39 wins
Riichi income	1,881	2,508 (1,735 to 3,282)	15%	14	68 riichi
Riichi win rate	38.2%	43.8% (37.5% to 50.1%)	28%	14	68 riichi
Riichi deal-in rate A	13.2%	14.3% (12.4% to 16.2%)	3%	49	68 riichi
Riichi deal-in rate B	13.2%	11.2% (8.6% to 13.7%)	7%	11	68 riichi
Riichi good-wait rate	51.5%	50.1% (44.3% to 55.8%)	19%	58	68 riichi
Riichi exhaustive draw rate	23.5%	20.2% (15.5% to 24.9%)	22%	78	68 riichi
Call income	-47.06	444 (-19.00 to 908)	8%	7	51 calls
Win rate after calling	21.6%	28.4% (22.6% to 34.3%)	17%	17	51 calls
Deal-in rate after calling	17.6%	12.5% (8.5% to 16.6%)	17%	14	51 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.02	43	275 hands
Dora and red fives dealt	+0.00	36	275 hands
Draw luck	-0.3%	33	3,383 tile draws
Ura-dora luck	-0.08	23	26 riichi wins
Ippatsu rate	-4.4%	33	26 riichi wins
Avoiding a chase riichi (/first riichi)	+1.3%	52	54 first riichi
Mangan+ tsumo against dealer rate	11.4%	46	79 tsumo against
Points from luck (/game)	-9.8	1	23 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	9.5%	+824	+919	-95
Wins with calls	4.0%	+156	+382	-227
Dama wins	0.7%	+62	+173	-111
Deal-ins to riichi	5.1%	-364	-360	-4
Deal-ins to open hands	3.6%	-115	-203	+88
Deal-ins to dama	1.5%	-78	-101	+23
Others' tsumo	28.7%	-844	-752	-92
Other (exhaustive draws, etc.)	46.9%	-85	-60	-26
Total (per hand)		-445

2021-22 (23 games · skill estimate -2.4pt/game)

Style

Average win value6,639
Riichi rate23.4%
Deal-in rate11.7%
Win rate18.4%
First riichi rate74.1%
Average riichi turn9.69
Call rate17.8%
Tenpai rate at exhaustive draws39.0%
Staying in vs riichi13.9%
Push rate vs riichi (1-shanten)42.0%
Push rate vs riichi (2+ shanten)22.7%
Tile efficiency match rate70.5%
Tenpai turn (luck-adjusted)8.19
Immediate riichi rate71.1%
Dama rate20.5%

Where the points came from

Own wins+32.4
Deal-ins-22.8
Others' tsumo-24.9
Ron between others+0.1
Exhaustive draws-1.1

Change in expected points per game. Total -16.3pt/game (23 games).

As a table

Hand result	Hands	Total	Per game
Own wins	37	+745.5	+32.4
Deal-ins	39	-524.5	-22.8
Others' tsumo	78	-573.5	-24.9
Ron between others	57	+2.5	+0.1
Exhaustive draws	56	-24.3	-1.1

Luck

Points from luck (/game)-1.1
Draw luck+0.3%
Starting hand (shanten)-0.10
Dora and red fives dealt+0.07
Ura-dora luck+0.23
Ippatsu rate-8.6%
Avoiding a chase riichi (/first riichi)-11.2%
Mangan+ tsumo against dealer rate16.7%

Every number for 2021-22

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.83	2.54 (2.34 to 2.74)	14%	7	23 games
Points per game	-16.7	-2.4 (-10.6 to 5.8)	15%	7	23 games
Points per game, luck removed	-15.6	-3.0 (-10.5 to 4.6)	19%	4	23 games
1st-place rate	17.4%	23.9% (15.9% to 31.9%)	15%	20	23 games
4th-place rate	34.8%	26.5% (18.3% to 34.6%)	16%	14	23 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	13.9%	18.4% (15.9% to 20.9%)	25%	1	267 hands
Deal-in rate	14.6%	11.7% (9.8% to 13.6%)	22%	4	267 hands
Riichi rate	25.1%	23.4% (20.7% to 26.0%)	27%	78	267 hands
Call rate	16.5%	17.8% (14.0% to 21.6%)	80%	20	267 hands
First riichi rate	61.2%	74.1% (69.7% to 78.5%)	13%	1	67 riichi
Average riichi turn	10.58	9.69 (9.27 to 10.10)	28%	4	67 riichi
Average win value	6,965	6,639 (6,010 to 7,268)	13%	71	37 wins
Average deal-in value	5,505	5,612 (5,092 to 6,131)	12%	49	39 deal-ins
Win efficiency	1,070	1,462 (1,357 to 1,567)	3%	7	267 hands
Deal-in loss	839	660 (552 to 768)	10%	4	267 hands
Net efficiency	231	764 (540 to 987)	12%	4	267 hands
Push rate vs riichi (1-shanten)	46.0%	42.0% (35.1% to 48.8%)	22%	84	50 hands facing riichi
Push rate vs riichi (2+ shanten)	18.3%	22.7% (16.3% to 29.0%)	40%	17	60 hands facing riichi
Tenpai rate after the first call	36.4%	30.1% (22.6% to 37.6%)	42%	81	44 first calls
Average win turn	12.94	12.38 (12.23 to 12.54)	1%	30	37 wins
Tenpai rate at exhaustive draws	35.7%	39.0% (32.4% to 45.6%)	24%	36	56 exhaustive draws
Staying in vs riichi	11.3%	13.9% (12.0% to 15.8%)	7%	17	141 hands facing an opponent’s riichi
Tile efficiency match rate	70.0%	70.5% (68.8% to 72.3%)	81%	20	1,415 discards
Average ukeire loss (tiles)	1.17	1.14 (1.03 to 1.24)	69%	71	1,353 discards
Breaking shape for value	2.5%	2.3% (1.8% to 2.8%)	60%	78	1,415 discards
Tenpai turn (luck-adjusted)	8.94	8.19 (8.06 to 8.32)	3%	100	57 tenpai hands
Immediate riichi rate	70.1%	71.1% (64.7% to 77.5%)	34%	36	57 tenpai hands
Dama rate	32.4%	20.5% (14.3% to 26.7%)	37%	100	37 wins
Riichi income	748	2,336 (1,560 to 3,113)	15%	4	67 riichi
Riichi win rate	26.9%	40.7% (34.4% to 47.0%)	28%	1	67 riichi
Riichi deal-in rate A	22.4%	14.5% (12.6% to 16.4%)	3%	4	67 riichi
Riichi deal-in rate B	14.9%	11.3% (8.7% to 13.9%)	7%	11	67 riichi
Riichi good-wait rate	47.8%	49.4% (43.6% to 55.1%)	18%	36	67 riichi
Riichi exhaustive draw rate	25.4%	20.6% (15.8% to 25.3%)	22%	81	67 riichi
Call income	-334	430 (-43.25 to 903)	7%	20	44 calls
Win rate after calling	15.9%	27.8% (21.7% to 33.8%)	15%	7	44 calls
Deal-in rate after calling	11.4%	11.5% (7.3% to 15.7%)	15%	49	44 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.10	4	267 hands
Dora and red fives dealt	+0.07	90	267 hands
Draw luck	+0.3%	65	3,316 tile draws
Ura-dora luck	+0.23	100	18 riichi wins
Ippatsu rate	-8.6%	7	18 riichi wins
Avoiding a chase riichi (/first riichi)	-11.2%	7	41 first riichi
Mangan+ tsumo against dealer rate	16.7%	31	78 tsumo against
Points from luck (/game)	-1.1	52	23 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	6.7%	+728	+919	-191
Wins with calls	2.6%	+168	+382	-214
Dama wins	4.5%	+175	+173	+2
Deal-ins to riichi	7.5%	-662	-360	-302
Deal-ins to open hands	5.2%	-151	-203	+53
Deal-ins to dama	1.9%	-64	-101	+37
Others' tsumo	29.2%	-836	-752	-84
Other (exhaustive draws, etc.)	42.3%	-103	-60	-43
Total (per hand)		-746

2020-21 (26 games · skill estimate 0.8pt/game)

Style

Average win value6,522
Riichi rate22.6%
Deal-in rate10.9%
Win rate19.8%
First riichi rate76.4%
Average riichi turn9.46
Call rate18.7%
Tenpai rate at exhaustive draws41.4%
Staying in vs riichi14.0%
Push rate vs riichi (1-shanten)39.4%
Push rate vs riichi (2+ shanten)23.0%
Tile efficiency match rate69.1%
Tenpai turn (luck-adjusted)8.18
Immediate riichi rate73.5%
Dama rate16.4%

Where the points came from

Own wins+47.2
Deal-ins-18.8
Others' tsumo-21.7
Ron between others-1.7
Exhaustive draws0.0

Change in expected points per game. Total +5.0pt/game (26 games).

As a table

Hand result	Hands	Total	Per game
Own wins	62	+1227.2	+47.2
Deal-ins	34	-488.0	-18.8
Others' tsumo	76	-564.2	-21.7
Ron between others	73	-45.0	-1.7
Exhaustive draws	74	-0.2	0.0

Luck

Points from luck (/game)+3.3
Draw luck+0.3%
Starting hand (shanten)-0.08
Dora and red fives dealt-0.05
Ura-dora luck-0.05
Ippatsu rate-6.6%
Avoiding a chase riichi (/first riichi)-6.8%
Mangan+ tsumo against dealer rate11.8%

Every number for 2020-21

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.38	2.48 (2.29 to 2.68)	15%	76	26 games
Points per game	4.7	0.8 (-7.2 to 8.8)	16%	76	26 games
Points per game, luck removed	1.4	0.3 (-7.0 to 7.6)	21%	59	26 games
1st-place rate	30.8%	26.0% (18.2% to 33.8%)	17%	76	26 games
4th-place rate	15.4%	23.2% (15.3% to 31.1%)	18%	91	26 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	19.4%	19.8% (17.5% to 22.2%)	29%	59	319 hands
Deal-in rate	10.7%	10.9% (9.1% to 12.6%)	25%	66	319 hands
Riichi rate	22.3%	22.6% (20.1% to 25.1%)	30%	56	319 hands
Call rate	17.9%	18.7% (15.2% to 22.3%)	83%	21	319 hands
First riichi rate	78.9%	76.4% (72.0% to 80.7%)	14%	56	71 riichi
Average riichi turn	9.75	9.46 (9.05 to 9.86)	29%	25	71 riichi
Average win value	6,248	6,522 (5,968 to 7,076)	20%	32	62 wins
Average deal-in value	5,129	5,574 (5,041 to 6,107)	10%	80	34 deal-ins
Win efficiency	1,360	1,470 (1,367 to 1,573)	4%	35	319 hands
Deal-in loss	569	630 (526 to 735)	12%	69	319 hands
Net efficiency	791	829 (614 to 1,045)	14%	56	319 hands
Push rate vs riichi (1-shanten)	34.5%	39.4% (32.7% to 46.0%)	23%	28	55 hands facing riichi
Push rate vs riichi (2+ shanten)	19.4%	23.0% (16.8% to 29.3%)	41%	32	62 hands facing riichi
Tenpai rate after the first call	26.3%	26.0% (19.1% to 32.8%)	48%	35	57 first calls
Average win turn	13.11	12.39 (12.24 to 12.54)	1%	4	62 wins
Tenpai rate at exhaustive draws	44.6%	41.4% (35.4% to 47.4%)	29%	80	74 exhaustive draws
Staying in vs riichi	13.0%	14.0% (12.1% to 15.9%)	7%	45	146 hands facing an opponent’s riichi
Tile efficiency match rate	68.3%	69.1% (67.5% to 70.6%)	84%	11	1,768 discards
Average ukeire loss (tiles)	1.23	1.18 (1.09 to 1.28)	74%	80	1,680 discards
Breaking shape for value	2.1%	2.1% (1.7% to 2.5%)	65%	62	1,768 discards
Tenpai turn (luck-adjusted)	8.46	8.18 (8.05 to 8.31)	4%	69	62 tenpai hands
Immediate riichi rate	76.8%	73.5% (67.2% to 79.7%)	36%	73	62 tenpai hands
Dama rate	19.4%	16.4% (11.2% to 21.5%)	50%	76	62 wins
Riichi income	3,317	2,734 (1,969 to 3,500)	16%	76	71 riichi
Riichi win rate	53.5%	48.2% (42.0% to 54.4%)	29%	83	71 riichi
Riichi deal-in rate A	12.7%	14.3% (12.4% to 16.2%)	3%	86	71 riichi
Riichi deal-in rate B	7.0%	10.7% (8.2% to 13.3%)	7%	97	71 riichi
Riichi good-wait rate	52.1%	50.2% (44.5% to 55.8%)	19%	66	71 riichi
Riichi exhaustive draw rate	23.9%	20.3% (15.7% to 25.0%)	23%	76	71 riichi
Call income	0.00	444 (-11.44 to 899)	9%	21	57 calls
Win rate after calling	21.1%	28.2% (22.5% to 33.9%)	18%	11	57 calls
Deal-in rate after calling	15.8%	12.3% (8.3% to 16.3%)	18%	15	57 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.08	4	319 hands
Dora and red fives dealt	-0.05	11	319 hands
Draw luck	+0.3%	76	4,024 tile draws
Ura-dora luck	-0.05	42	38 riichi wins
Ippatsu rate	-6.6%	18	38 riichi wins
Avoiding a chase riichi (/first riichi)	-6.8%	4	56 first riichi
Mangan+ tsumo against dealer rate	11.8%	52	76 tsumo against
Points from luck (/game)	+3.3	86	26 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	11.9%	+964	+919	+45
Wins with calls	3.8%	+194	+382	-188
Dama wins	3.8%	+202	+173	+29
Deal-ins to riichi	5.0%	-349	-360	+11
Deal-ins to open hands	3.4%	-143	-203	+60
Deal-ins to dama	2.2%	-93	-101	+8
Others' tsumo	23.8%	-640	-752	+112
Other (exhaustive draws, etc.)	46.1%	-34	-60	+25
Total (per hand)		+100

2019-20 (27 games · skill estimate 2.3pt/game)

Style

Average win value6,779
Riichi rate22.3%
Deal-in rate10.4%
Win rate19.8%
First riichi rate76.6%
Average riichi turn9.32
Call rate15.4%
Tenpai rate at exhaustive draws40.8%
Staying in vs riichi13.7%
Push rate vs riichi (1-shanten)39.4%
Push rate vs riichi (2+ shanten)19.4%
Tile efficiency match rate70.3%
Tenpai turn (luck-adjusted)8.16
Immediate riichi rate71.3%
Dama rate16.9%

Where the points came from

Own wins+52.8
Deal-ins-15.0
Others' tsumo-20.0
Ron between others-6.1
Exhaustive draws+1.9

Change in expected points per game. Total +13.5pt/game (27 games).

As a table

Hand result	Hands	Total	Per game
Own wins	64	+1425.2	+52.8
Deal-ins	30	-405.0	-15.0
Others' tsumo	80	-540.2	-20.0
Ron between others	83	-165.0	-6.1
Exhaustive draws	75	+50.4	+1.9

Luck

Points from luck (/game)+2.0
Draw luck+0.2%
Starting hand (shanten)-0.07
Dora and red fives dealt+0.03
Ura-dora luck+0.14
Ippatsu rate+1.9%
Avoiding a chase riichi (/first riichi)-1.0%
Mangan+ tsumo against dealer rate7.5%

Every number for 2019-20

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.19	2.45 (2.26 to 2.64)	16%	93	27 games
Points per game	13.6	2.3 (-5.7 to 10.2)	17%	96	27 games
Points per game, luck removed	11.6	2.5 (-4.7 to 9.7)	22%	93	27 games
1st-place rate	33.3%	26.5% (18.8% to 34.2%)	17%	93	27 games
4th-place rate	14.8%	23.1% (15.2% to 30.9%)	18%	93	27 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	19.3%	19.8% (17.5% to 22.1%)	30%	65	332 hands
Deal-in rate	9.0%	10.4% (8.7% to 12.2%)	26%	79	332 hands
Riichi rate	21.4%	22.3% (19.9% to 24.8%)	31%	40	332 hands
Call rate	13.9%	15.4% (11.9% to 18.8%)	83%	15	332 hands
First riichi rate	80.3%	76.6% (72.2% to 80.9%)	14%	65	71 riichi
Average riichi turn	9.30	9.32 (8.92 to 9.73)	29%	54	71 riichi
Average win value	7,509	6,779 (6,230 to 7,328)	21%	86	64 wins
Average deal-in value	4,547	5,526 (4,981 to 6,071)	9%	100	30 deal-ins
Win efficiency	1,579	1,478 (1,375 to 1,581)	4%	72	332 hands
Deal-in loss	433	613 (509 to 716)	13%	100	332 hands
Net efficiency	1,145	880 (666 to 1,093)	14%	89	332 hands
Push rate vs riichi (1-shanten)	35.0%	39.4% (32.9% to 45.8%)	25%	8	60 hands facing riichi
Push rate vs riichi (2+ shanten)	12.5%	19.4% (13.7% to 25.2%)	47%	5	80 hands facing riichi
Tenpai rate after the first call	34.8%	29.5% (22.2% to 36.9%)	43%	61	46 first calls
Average win turn	11.87	12.37 (12.22 to 12.52)	2%	89	64 wins
Tenpai rate at exhaustive draws	42.7%	40.8% (34.8% to 46.8%)	29%	50	75 exhaustive draws
Staying in vs riichi	9.4%	13.7% (11.8% to 15.6%)	8%	5	170 hands facing an opponent’s riichi
Tile efficiency match rate	69.7%	70.3% (68.6% to 71.9%)	84%	19	1,732 discards
Average ukeire loss (tiles)	1.05	1.06 (0.96 to 1.16)	73%	36	1,645 discards
Breaking shape for value	2.4%	2.2% (1.8% to 2.7%)	64%	82	1,732 discards
Tenpai turn (luck-adjusted)	8.01	8.16 (8.03 to 8.29)	4%	26	73 tenpai hands
Immediate riichi rate	70.8%	71.3% (65.4% to 77.2%)	40%	43	73 tenpai hands
Dama rate	20.3%	16.9% (11.7% to 22.0%)	51%	75	64 wins
Riichi income	4,389	2,906 (2,141 to 3,672)	16%	100	71 riichi
Riichi win rate	52.1%	47.8% (41.6% to 54.0%)	29%	79	71 riichi
Riichi deal-in rate A	5.6%	14.1% (12.2% to 16.0%)	3%	100	71 riichi
Riichi deal-in rate B	4.2%	10.5% (8.0% to 13.1%)	7%	100	71 riichi
Riichi good-wait rate	32.4%	46.4% (40.8% to 52.1%)	19%	1	71 riichi
Riichi exhaustive draw rate	23.9%	20.3% (15.7% to 25.0%)	23%	75	71 riichi
Call income	1,350	548 (78.14 to 1,019)	7%	89	46 calls
Win rate after calling	30.4%	29.9% (23.9% to 35.9%)	15%	50	46 calls
Deal-in rate after calling	4.3%	10.4% (6.2% to 14.6%)	15%	89	46 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.07	19	332 hands
Dora and red fives dealt	+0.03	68	332 hands
Draw luck	+0.2%	47	4,092 tile draws
Ura-dora luck	+0.14	82	37 riichi wins
Ippatsu rate	+1.9%	58	37 riichi wins
Avoiding a chase riichi (/first riichi)	-1.0%	43	57 first riichi
Mangan+ tsumo against dealer rate	7.5%	89	80 tsumo against
Points from luck (/game)	+2.0	72	27 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	11.1%	+1,077	+919	+158
Wins with calls	4.2%	+268	+382	-114
Dama wins	3.9%	+233	+173	+61
Deal-ins to riichi	3.0%	-178	-360	+182
Deal-ins to open hands	3.0%	-106	-203	+97
Deal-ins to dama	3.0%	-158	-101	-57
Others' tsumo	24.1%	-655	-752	+97
Other (exhaustive draws, etc.)	47.6%	-30	-60	+30
Total (per hand)		+451

2018-19 (20 games · skill estimate -1.0pt/game)

Style

Average win value6,666
Riichi rate23.1%
Deal-in rate11.2%
Win rate19.4%
First riichi rate76.0%
Average riichi turn9.56
Call rate14.3%
Tenpai rate at exhaustive draws37.6%
Staying in vs riichi13.9%
Push rate vs riichi (1-shanten)39.7%
Push rate vs riichi (2+ shanten)23.5%
Tile efficiency match rate71.4%
Tenpai turn (luck-adjusted)8.17
Immediate riichi rate74.0%
Dama rate15.6%

Where the points came from

Own wins+45.9
Deal-ins-26.9
Others' tsumo-27.1
Ron between others+2.7
Exhaustive draws-3.2

Change in expected points per game. Total -8.6pt/game (20 games).

As a table

Hand result	Hands	Total	Per game
Own wins	42	+918.2	+45.9
Deal-ins	30	-537.6	-26.9
Others' tsumo	66	-542.6	-27.1
Ron between others	58	+54.9	+2.7
Exhaustive draws	46	-64.0	-3.2

Luck

Points from luck (/game)+0.7
Draw luck+0.5%
Starting hand (shanten)-0.02
Dora and red fives dealt-0.01
Ura-dora luck+0.27
Ippatsu rate+2.0%
Avoiding a chase riichi (/first riichi)+0.9%
Mangan+ tsumo against dealer rate15.2%

Every number for 2018-19

Results
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Average placement	2.60	2.51 (2.30 to 2.72)	12%	41	20 games
Points per game	-8.1	-1.0 (-9.5 to 7.4)	13%	21	20 games
Points per game, luck removed	-8.8	-1.5 (-9.3 to 6.4)	17%	21	20 games
1st-place rate	20.0%	24.4% (16.1% to 32.7%)	13%	31	20 games
4th-place rate	30.0%	25.6% (17.2% to 34.1%)	14%	36	20 games

Style
Metric	Actual	Estimate (90% interval)	Weight of the record	Percentile	Count
Win rate	17.4%	19.4% (16.8% to 21.9%)	23%	21	242 hands
Deal-in rate	12.4%	11.2% (9.3% to 13.2%)	21%	31	242 hands
Riichi rate	24.4%	23.1% (20.4% to 25.9%)	25%	65	242 hands
Call rate	12.0%	14.3% (10.4% to 18.3%)	79%	1	242 hands
First riichi rate	76.3%	76.0% (71.5% to 80.6%)	12%	41	59 riichi
Average riichi turn	10.20	9.56 (9.13 to 9.99)	26%	1	59 riichi
Average win value	7,114	6,666 (6,054 to 7,278)	14%	65	42 wins
Average deal-in value	6,250	5,684 (5,139 to 6,228)	9%	31	30 deal-ins
Win efficiency	1,329	1,470 (1,364 to 1,576)	3%	16	242 hands
Deal-in loss	800	654 (544 to 764)	10%	26	242 hands
Net efficiency	529	802 (574 to 1,030)	11%	16	242 hands
Push rate vs riichi (1-shanten)	34.9%	39.7% (32.6% to 46.8%)	19%	26	43 hands facing riichi
Push rate vs riichi (2+ shanten)	20.3%	23.5% (17.1% to 29.9%)	39%	31	59 hands facing riichi
Tenpai rate after the first call	44.8%	31.8% (23.1% to 40.5%)	32%	100	29 first calls
Average win turn	12.76	12.38 (12.23 to 12.53)	1%	46	42 wins
Tenpai rate at exhaustive draws	28.3%	37.6% (30.6% to 44.6%)	20%	21	46 exhaustive draws
Staying in vs riichi	10.8%	13.9% (11.9% to 15.8%)	6%	11	120 hands facing an opponent’s riichi
Tile efficiency match rate	71.1%	71.4% (69.6% to 73.3%)	79%	26	1,300 discards
Average ukeire loss (tiles)	1.02	1.04 (0.93 to 1.14)	68%	31	1,249 discards
Breaking shape for value	2.5%	2.3% (1.8% to 2.8%)	58%	90	1,300 discards
Tenpai turn (luck-adjusted)	8.26	8.17 (8.04 to 8.30)	3%	46	44 tenpai hands
Immediate riichi rate	79.9%	74.0% (66.9% to 81.1%)	28%	75	44 tenpai hands
Dama rate	19.0%	15.6% (9.7% to 21.6%)	40%	65	42 wins
Riichi income	1,058	2,408 (1,609 to 3,207)	14%	6	59 riichi
Riichi win rate	39.0%	44.2% (37.6% to 50.9%)	25%	6	59 riichi
Riichi deal-in rate A	20.3%	14.5% (12.6% to 16.4%)	2%	6	59 riichi
Riichi deal-in rate B	15.3%	11.3% (8.7% to 13.9%)	6%	21	59 riichi
Riichi good-wait rate	39.0%	48.0% (42.0% to 53.9%)	16%	11	59 riichi
Riichi exhaustive draw rate	15.3%	18.5% (13.6% to 23.4%)	20%	26	59 riichi
Call income	1,483	533 (35.10 to 1,031)	5%	75	29 calls
Win rate after calling	37.9%	30.6% (24.0% to 37.2%)	10%	75	29 calls
Deal-in rate after calling	20.7%	12.5% (7.8% to 17.1%)	10%	21	29 calls

Luck (difference from the league average)
Metric	Actual	Percentile	Count
Starting hand (shanten)	-0.02	60	242 hands
Dora and red fives dealt	-0.01	41	242 hands
Draw luck	+0.5%	70	3,001 tile draws
Ura-dora luck	+0.27	100	23 riichi wins
Ippatsu rate	+2.0%	68	23 riichi wins
Avoiding a chase riichi (/first riichi)	+0.9%	63	45 first riichi
Mangan+ tsumo against dealer rate	15.2%	21	66 tsumo against
Points from luck (/game)	+0.7	50	20 games

Hand balance breakdown
Category	Frequency	Balance per hand	League average	Difference
Wins with riichi	9.5%	+872	+919	-47
Wins with calls	4.5%	+325	+382	-57
Dama wins	3.3%	+132	+173	-41
Deal-ins to riichi	7.4%	-562	-360	-202
Deal-ins to open hands	3.3%	-169	-203	+34
Deal-ins to dama	1.7%	-105	-101	-5
Others' tsumo	27.3%	-795	-752	-43
Other (exhaustive draws, etc.)	43.0%	-116	-60	-56
Total (per hand)		-419

Players with a similar styleclosest career style metrics first

Masato HagiwaraTEAM RAIDENIn common: Late riichi, Low win rate, Strong draws
Seiichi KondoFormer M.League playerIn common: Late riichi, Low win rate, Dama-heavy
Kanako MaruyamaFormer M.League playerIn common: Late riichi, Shape and value first, Low win rate

* 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.