Most differences in results are within chance.They do not justify criticizing players.

Player · 123 career games · 2022-23–2025-26

Namba Shibukawa

Riichis a lot. Stands out for smaller wins and rare dama. Career record: +2.1pt per game, but allowing for luck the difference from average is not clear yet.

Actual / game
+2.1
123 career games
Skill estimate / game
+1.0
90% interval -3.8 to +5.8
Estimate, luck removed
+2.7
adjusted for starting hands, draws, ura-dora
Weight of the record
48%
share of the estimate from the record

Styleleague percentile, career

  • Average win value6,372
  • Riichi rate23.8%
  • Deal-in rate11.1%
  • Win rate20.1%
  • First riichi rate74.9%
  • Average riichi turn9.46
  • Call rate23.8%
  • Tenpai rate at exhaustive draws41.6%
  • Staying in vs riichi14.4%
  • Push rate vs riichi (1-shanten)40.5%
  • Push rate vs riichi (2+ shanten)27.8%
  • Tile efficiency match rate74.6%
  • Tenpai turn (luck-adjusted)8.19
  • Immediate riichi rate75.0%
  • Dama rate9.2%

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.

Placements123 career games, average placement 2.43

  • 1st26.0%32×
  • 2nd27.6%34×
  • 3rd23.6%29×
  • 4th22.8%28×

Riichi and callsbalance and outcome of hands with riichi or calls

  • Riichi income2,450
  • Riichi win rate44.7%
  • Riichi deal-in rate A14.5%
  • Riichi deal-in rate B11.0%
  • Riichi good-wait rate46.5%
  • Riichi exhaustive draw rate19.3%
  • Call income492
  • Win rate after calling31.5%
  • Deal-in rate after calling12.5%
  • Tenpai rate after the first call28.4%

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 efficiency845
  • Deal-in loss610
  • Average win turn12.38

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 game1.0
  • Points per game, luck removed2.7
  • Average placement2.47

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

  • Points from luck (/game)-2.8
  • Draw luck-0.1%
  • Starting hand (shanten)-0.00
  • Dora and red fives dealt+0.00
  • Ura-dora luck-0.06
  • Ippatsu rate+0.4%
  • Avoiding a chase riichi (/first riichi)+2.4%
  • Mangan+ tsumo against dealer rate11.7%

Where the points came fromchange in expected points, all stages

  • Own wins+46.5
  • Deal-ins-19.2
  • Others' tsumo-24.2
  • Ron between others-2.0
  • Exhaustive draws+0.9
Change in expected points per game. Total +2.0pt/game (123 games).
As a table
Hand resultHandsTotalPer game
Own wins309+5722.1+46.5
Deal-ins172-2361.6-19.2
Others' tsumo435-2974.0-24.2
Ron between others327-241.3-2.0
Exhaustive draws284+105.8+0.9

Hand balance breakdownpoints won or lost per hand, all stages

CategoryFrequencyBalance per handLeague averageDifference
Wins with riichi10.7%+894+919-25
Wins with calls7.8%+389+382+7
Dama wins1.7%+142+173-31
Deal-ins to riichi4.3%-297-360+63
Deal-ins to open hands5.6%-202-203+1
Deal-ins to dama1.4%-93-101+8
Others' tsumo28.5%-756-752-4
Other (exhaustive draws, etc.)40.0%-40-60+20
Total (per hand)+36
Every career number (estimate, 90% interval, weight of the record)
Results
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Average placement2.432.47 (2.35 to 2.58)46%72123 games
Points per game2.11.0 (-3.8 to 5.8)48%64123 games
Points per game, luck removed4.92.7 (-1.6 to 7.0)56%94123 games
1st-place rate26.0%25.5% (20.9% to 30.2%)49%58123 games
4th-place rate22.8%23.8% (19.1% to 28.5%)51%72123 games
Style
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Win rate20.2%20.1% (18.8% to 21.5%)66%601,527 hands
Deal-in rate11.3%11.1% (10.1% to 12.2%)62%331,527 hands
Riichi rate24.4%23.8% (22.4% to 25.3%)67%841,527 hands
Call rate23.8%23.8% (22.1% to 25.5%)96%601,527 hands
First riichi rate73.7%74.9% (72.4% to 77.5%)45%15372 riichi
Average riichi turn9.529.46 (9.23 to 9.69)69%23372 riichi
Average win value6,1976,372 (6,051 to 6,694)56%15309 wins
Average deal-in value4,7825,315 (4,980 to 5,649)37%100172 deal-ins
Win efficiency1,4251,467 (1,385 to 1,548)15%311,527 hands
Deal-in loss566610 (545 to 675)40%881,527 hands
Net efficiency859845 (714 to 977)43%681,527 hands
Push rate vs riichi (1-shanten)40.3%40.5% (36.6% to 44.5%)58%45248 hands facing riichi
Push rate vs riichi (2+ shanten)28.4%27.8% (24.3% to 31.2%)79%66342 hands facing riichi
Tenpai rate after the first call28.8%28.4% (24.9% to 31.9%)86%76364 first calls
Average win turn12.4312.38 (12.25 to 12.51)7%45309 wins
Tenpai rate at exhaustive draws42.6%41.6% (37.8% to 45.4%)61%74284 exhaustive draws
Staying in vs riichi15.4%14.4% (13.2% to 15.7%)28%84800 hands facing an opponent’s riichi
Tile efficiency match rate74.7%74.6% (73.8% to 75.4%)96%748,176 discards
Average ukeire loss (tiles)0.930.94 (0.89 to 0.99)93%37,887 discards
Breaking shape for value2.0%2.0% (1.7% to 2.2%)90%438,176 discards
Tenpai turn (luck-adjusted)8.308.19 (8.09 to 8.29)17%86326 tenpai hands
Immediate riichi rate76.2%75.0% (71.5% to 78.6%)75%84326 tenpai hands
Dama rate8.4%9.2% (6.3% to 12.1%)83%15309 wins
Riichi income2,2762,450 (2,005 to 2,894)50%17372 riichi
Riichi win rate44.1%44.7% (41.2% to 48.2%)68%31372 riichi
Riichi deal-in rate A15.6%14.5% (13.0% to 16.0%)13%23372 riichi
Riichi deal-in rate B10.8%11.0% (9.2% to 12.7%)29%62372 riichi
Riichi good-wait rate43.8%46.5% (43.2% to 49.7%)55%3372 riichi
Riichi exhaustive draw rate19.4%19.3% (16.7% to 22.0%)61%43372 riichi
Call income500492 (220 to 764)38%49364 calls
Win rate after calling32.7%31.5% (28.4% to 34.6%)59%90364 calls
Deal-in rate after calling13.2%12.5% (10.4% to 14.6%)59%17364 calls
Luck (difference from the league average)
MetricActualPercentileCount
Starting hand (shanten)-0.00331,527 hands
Dora and red fives dealt+0.00561,527 hands
Draw luck-0.1%3118,459 tile draws
Ura-dora luck-0.067164 riichi wins
Ippatsu rate+0.4%62164 riichi wins
Avoiding a chase riichi (/first riichi)+2.4%86274 first riichi
Mangan+ tsumo against dealer rate11.7%70435 tsumo against
Points from luck (/game)-2.813123 games

By seasonRegular Season

2025-26 (35 games · skill estimate 1.0pt/game)

Style

  • Average win value6,406
  • Riichi rate23.0%
  • Deal-in rate10.6%
  • Win rate20.8%
  • First riichi rate76.4%
  • Average riichi turn9.42
  • Call rate24.8%
  • Tenpai rate at exhaustive draws41.0%
  • Staying in vs riichi14.5%
  • Push rate vs riichi (1-shanten)40.2%
  • Push rate vs riichi (2+ shanten)29.4%
  • Tile efficiency match rate75.2%
  • Tenpai turn (luck-adjusted)8.17
  • Immediate riichi rate74.4%
  • Dama rate9.5%

Where the points came from

  • Own wins+47.0
  • Deal-ins-13.9
  • Others' tsumo-26.2
  • Ron between others-2.4
  • Exhaustive draws+0.5
Change in expected points per game. Total +5.0pt/game (35 games).
As a table
Hand resultHandsTotalPer game
Own wins99+1644.7+47.0
Deal-ins44-487.4-13.9
Others' tsumo141-916.6-26.2
Ron between others86-82.5-2.4
Exhaustive draws76+18.1+0.5

Luck

  • Points from luck (/game)-7.2
  • Draw luck-0.4%
  • Starting hand (shanten)+0.05
  • Dora and red fives dealt-0.05
  • Ura-dora luck-0.18
  • Ippatsu rate-4.4%
  • Avoiding a chase riichi (/first riichi)+1.9%
  • Mangan+ tsumo against dealer rate12.8%
Every number for 2025-26
Results
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Average placement2.402.48 (2.30 to 2.66)19%6435 games
Points per game5.01.0 (-6.3 to 8.4)21%7735 games
Points per game, luck removed12.33.2 (-3.4 to 9.9)26%10035 games
1st-place rate25.7%25.2% (18.0% to 32.4%)21%5235 games
4th-place rate20.0%23.8% (16.5% to 31.1%)23%7635 games
Style
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Win rate22.2%20.8% (18.7% to 22.9%)36%82446 hands
Deal-in rate9.9%10.6% (9.0% to 12.2%)32%77446 hands
Riichi rate23.3%23.0% (20.8% to 25.2%)38%62446 hands
Call rate25.1%24.8% (21.8% to 27.9%)87%52446 hands
First riichi rate77.9%76.4% (72.4% to 80.3%)19%75104 riichi
Average riichi turn9.559.42 (9.06 to 9.77)38%24104 riichi
Average win value5,9466,406 (5,930 to 6,883)29%1199 wins
Average deal-in value3,9825,412 (4,905 to 5,919)13%9744 deal-ins
Win efficiency1,5001,475 (1,375 to 1,575)5%49446 hands
Deal-in loss418603 (506 to 700)16%100446 hands
Net efficiency1,082880 (682 to 1,079)18%92446 hands
Push rate vs riichi (1-shanten)38.6%40.2% (34.1% to 46.3%)28%3970 hands facing riichi
Push rate vs riichi (2+ shanten)33.0%29.4% (24.0% to 34.8%)52%9097 hands facing riichi
Tenpai rate after the first call26.8%26.4% (20.9% to 31.9%)64%67112 first calls
Average win turn13.0612.40 (12.25 to 12.54)2%499 wins
Tenpai rate at exhaustive draws43.4%41.0% (35.1% to 47.0%)30%6776 exhaustive draws
Staying in vs riichi18.2%14.5% (12.7% to 16.3%)10%95231 hands facing an opponent’s riichi
Tile efficiency match rate75.6%75.2% (73.8% to 76.6%)88%642,403 discards
Average ukeire loss (tiles)0.980.99 (0.91 to 1.08)80%492,311 discards
Breaking shape for value2.0%2.0% (1.6% to 2.4%)72%672,403 discards
Tenpai turn (luck-adjusted)8.268.17 (8.05 to 8.30)5%9289 tenpai hands
Immediate riichi rate77.8%74.4% (68.9% to 79.9%)44%9089 tenpai hands
Dama rate7.1%9.5% (5.0% to 13.9%)62%1699 wins
Riichi income2,6952,639 (1,949 to 3,328)22%52104 riichi
Riichi win rate50.0%47.5% (42.1% to 52.9%)37%70104 riichi
Riichi deal-in rate A12.5%14.3% (12.4% to 16.1%)4%75104 riichi
Riichi deal-in rate B9.6%10.9% (8.5% to 13.3%)10%70104 riichi
Riichi good-wait rate40.4%47.3% (42.3% to 52.4%)26%11104 riichi
Riichi exhaustive draw rate16.3%18.4% (14.3% to 22.5%)30%42104 riichi
Call income979565 (167 to 963)16%90112 calls
Win rate after calling35.7%31.6% (27.0% to 36.2%)30%85112 calls
Deal-in rate after calling8.9%10.7% (7.5% to 13.9%)30%85112 calls
Luck (difference from the league average)
MetricActualPercentileCount
Starting hand (shanten)+0.0585446 hands
Dora and red fives dealt-0.0521446 hands
Draw luck-0.4%265,375 tile draws
Ura-dora luck-0.181452 riichi wins
Ippatsu rate-4.4%3152 riichi wins
Avoiding a chase riichi (/first riichi)+1.9%6481 first riichi
Mangan+ tsumo against dealer rate12.8%43141 tsumo against
Points from luck (/game)-7.2935 games
Hand balance breakdown
CategoryFrequencyBalance per handLeague averageDifference
Wins with riichi11.7%+899+919-20
Wins with calls9.0%+455+382+73
Dama wins1.6%+146+173-27
Deal-ins to riichi4.3%-247-360+113
Deal-ins to open hands4.9%-167-203+37
Deal-ins to dama0.7%-27-101+74
Others' tsumo31.6%-795-752-43
Other (exhaustive draws, etc.)36.3%-36-60+24
Total (per hand)+228
2024-25 (27 games · skill estimate 0.5pt/game)

Style

  • Average win value6,457
  • Riichi rate23.8%
  • Deal-in rate11.3%
  • Win rate20.2%
  • First riichi rate75.4%
  • Average riichi turn9.26
  • Call rate26.5%
  • Tenpai rate at exhaustive draws40.3%
  • Staying in vs riichi14.1%
  • Push rate vs riichi (1-shanten)41.5%
  • Push rate vs riichi (2+ shanten)26.4%
  • Tile efficiency match rate75.3%
  • Tenpai turn (luck-adjusted)8.16
  • Immediate riichi rate74.0%
  • Dama rate8.7%

Where the points came from

  • Own wins+46.8
  • Deal-ins-19.2
  • Others' tsumo-21.2
  • Ron between others-4.1
  • Exhaustive draws+0.6
Change in expected points per game. Total +2.9pt/game (27 games).
As a table
Hand resultHandsTotalPer game
Own wins68+1264.4+46.8
Deal-ins40-518.4-19.2
Others' tsumo84-571.7-21.2
Ron between others74-111.8-4.1
Exhaustive draws61+14.9+0.6

Luck

  • Points from luck (/game)+5.8
  • Draw luck+1.1%
  • Starting hand (shanten)-0.14
  • Dora and red fives dealt-0.00
  • Ura-dora luck+0.07
  • Ippatsu rate-0.3%
  • Avoiding a chase riichi (/first riichi)-2.1%
  • Mangan+ tsumo against dealer rate15.5%
Every number for 2024-25
Results
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Average placement2.412.48 (2.29 to 2.68)16%6027 games
Points per game2.80.5 (-7.4 to 8.4)17%5527 games
Points per game, luck removed-3.0-0.6 (-7.9 to 6.6)22%4327 games
1st-place rate25.9%25.2% (17.5% to 32.9%)17%5327 games
4th-place rate22.2%24.4% (16.6% to 32.2%)18%5827 games
Style
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Win rate20.8%20.2% (17.9% to 22.5%)29%52327 hands
Deal-in rate12.2%11.3% (9.5% to 13.0%)26%26327 hands
Riichi rate26.3%23.8% (21.4% to 26.3%)31%94327 hands
Call rate27.2%26.5% (23.0% to 30.0%)83%72327 hands
First riichi rate72.1%75.4% (71.2% to 79.5%)16%2186 riichi
Average riichi turn9.109.26 (8.88 to 9.64)34%7586 riichi
Average win value5,9746,457 (5,918 to 6,996)22%2168 wins
Average deal-in value4,3505,473 (4,957 to 5,990)12%9740 deal-ins
Win efficiency1,4151,472 (1,369 to 1,575)4%38327 hands
Deal-in loss561629 (525 to 733)12%72327 hands
Net efficiency854838 (624 to 1,052)14%46327 hands
Push rate vs riichi (1-shanten)44.0%41.5% (34.7% to 48.4%)22%4950 hands facing riichi
Push rate vs riichi (2+ shanten)27.7%26.4% (20.3% to 32.6%)42%5865 hands facing riichi
Tenpai rate after the first call28.1%27.1% (21.2% to 33.0%)59%8089 first calls
Average win turn11.8812.37 (12.22 to 12.52)2%8968 wins
Tenpai rate at exhaustive draws41.0%40.3% (33.9% to 46.7%)25%5861 exhaustive draws
Staying in vs riichi15.0%14.1% (12.3% to 16.0%)8%63167 hands facing an opponent’s riichi
Tile efficiency match rate75.7%75.3% (73.6% to 76.9%)83%831,689 discards
Average ukeire loss (tiles)0.790.86 (0.76 to 0.96)73%71,644 discards
Breaking shape for value2.5%2.4% (1.9% to 2.8%)64%891,689 discards
Tenpai turn (luck-adjusted)7.958.16 (8.03 to 8.28)4%2175 tenpai hands
Immediate riichi rate77.6%74.0% (68.2% to 79.9%)40%8375 tenpai hands
Dama rate4.4%8.7% (3.6% to 13.7%)52%468 wins
Riichi income2,3362,569 (1,841 to 3,297)19%4386 riichi
Riichi win rate41.9%44.6% (38.9% to 50.4%)33%2686 riichi
Riichi deal-in rate A11.6%14.2% (12.4% to 16.1%)3%8386 riichi
Riichi deal-in rate B7.0%10.7% (8.2% to 13.2%)9%9486 riichi
Riichi good-wait rate45.3%48.8% (43.4% to 54.1%)22%2686 riichi
Riichi exhaustive draw rate16.3%18.5% (14.1% to 22.9%)26%3886 riichi
Call income428479 (59.57 to 898)13%4989 calls
Win rate after calling32.6%30.5% (25.6% to 35.5%)26%6589 calls
Deal-in rate after calling13.5%12.0% (8.6% to 15.5%)26%3589 calls
Luck (difference from the league average)
MetricActualPercentileCount
Starting hand (shanten)-0.141327 hands
Dora and red fives dealt-0.0058327 hands
Draw luck+1.1%973,927 tile draws
Ura-dora luck+0.078036 riichi wins
Ippatsu rate-0.3%6036 riichi wins
Avoiding a chase riichi (/first riichi)-2.1%4962 first riichi
Mangan+ tsumo against dealer rate15.5%1884 tsumo against
Points from luck (/game)+5.89427 games
Hand balance breakdown
CategoryFrequencyBalance per handLeague averageDifference
Wins with riichi11.0%+957+919+38
Wins with calls8.9%+393+382+11
Dama wins0.9%+65+173-108
Deal-ins to riichi4.3%-292-360+68
Deal-ins to open hands6.1%-171-203+32
Deal-ins to dama1.8%-116-101-15
Others' tsumo25.7%-704-752+48
Other (exhaustive draws, etc.)41.3%-66-60-6
Total (per hand)+66
2023-24 (23 games · skill estimate 0.9pt/game)

Style

  • Average win value6,605
  • Riichi rate22.6%
  • Deal-in rate10.7%
  • Win rate20.2%
  • First riichi rate75.3%
  • Average riichi turn9.49
  • Call rate20.6%
  • Tenpai rate at exhaustive draws40.7%
  • Staying in vs riichi14.1%
  • Push rate vs riichi (1-shanten)41.8%
  • Push rate vs riichi (2+ shanten)24.5%
  • Tile efficiency match rate74.3%
  • Tenpai turn (luck-adjusted)8.18
  • Immediate riichi rate72.6%
  • Dama rate13.7%

Where the points came from

  • Own wins+48.0
  • Deal-ins-22.1
  • Others' tsumo-21.1
  • Ron between others+1.5
  • Exhaustive draws+0.3
Change in expected points per game. Total +6.6pt/game (23 games).
As a table
Hand resultHandsTotalPer game
Own wins57+1105.0+48.0
Deal-ins27-509.3-22.1
Others' tsumo82-486.3-21.1
Ron between others65+35.0+1.5
Exhaustive draws44+7.5+0.3

Luck

  • Points from luck (/game)-6.0
  • Draw luck-1.2%
  • Starting hand (shanten)+0.00
  • Dora and red fives dealt+0.07
  • Ura-dora luck-0.08
  • Ippatsu rate+7.5%
  • Avoiding a chase riichi (/first riichi)+4.4%
  • Mangan+ tsumo against dealer rate12.2%
Every number for 2023-24
Results
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Average placement2.352.48 (2.28 to 2.68)14%8023 games
Points per game6.40.9 (-7.3 to 9.2)15%7723 games
Points per game, luck removed12.42.3 (-5.2 to 9.9)19%9423 games
1st-place rate34.8%26.5% (18.5% to 34.6%)15%8723 games
4th-place rate21.7%24.4% (16.2% to 32.5%)16%6623 games
Style
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Win rate20.7%20.2% (17.7% to 22.6%)26%60275 hands
Deal-in rate9.8%10.7% (8.8% to 12.5%)23%69275 hands
Riichi rate22.2%22.6% (20.0% to 25.2%)27%32275 hands
Call rate20.0%20.6% (16.8% to 24.3%)81%24275 hands
First riichi rate70.5%75.3% (70.9% to 79.8%)12%2161 riichi
Average riichi turn9.929.49 (9.06 to 9.92)26%761 riichi
Average win value6,6676,605 (6,037 to 7,172)19%5557 wins
Average deal-in value6,4785,697 (5,143 to 6,251)8%1827 deal-ins
Win efficiency1,5531,477 (1,372 to 1,581)3%63275 hands
Deal-in loss659641 (534 to 748)11%55275 hands
Net efficiency894842 (620 to 1,065)12%58275 hands
Push rate vs riichi (1-shanten)46.2%41.8% (34.5% to 49.1%)18%7239 hands facing riichi
Push rate vs riichi (2+ shanten)23.3%24.5% (18.6% to 30.5%)45%2173 hands facing riichi
Tenpai rate after the first call36.4%30.7% (23.8% to 37.6%)47%9455 first calls
Average win turn12.1212.38 (12.23 to 12.52)1%6357 wins
Tenpai rate at exhaustive draws43.2%40.7% (33.6% to 47.7%)20%6944 exhaustive draws
Staying in vs riichi14.4%14.1% (12.2% to 16.0%)7%69146 hands facing an opponent’s riichi
Tile efficiency match rate74.7%74.3% (72.6% to 76.1%)81%551,432 discards
Average ukeire loss (tiles)0.790.87 (0.77 to 0.98)70%41,381 discards
Breaking shape for value1.7%1.8% (1.3% to 2.3%)60%321,432 discards
Tenpai turn (luck-adjusted)8.528.18 (8.05 to 8.31)3%8651 tenpai hands
Immediate riichi rate74.6%72.6% (65.9% to 79.3%)31%6051 tenpai hands
Dama rate14.0%13.7% (8.3% to 19.0%)48%6757 wins
Riichi income3,2722,715 (1,921 to 3,508)14%8061 riichi
Riichi win rate54.1%48.1% (41.6% to 54.6%)26%8961 riichi
Riichi deal-in rate A13.1%14.3% (12.4% to 16.2%)2%7361 riichi
Riichi deal-in rate B11.5%11.1% (8.5% to 13.7%)6%4261 riichi
Riichi good-wait rate39.3%48.0% (42.1% to 53.9%)17%961 riichi
Riichi exhaustive draw rate21.3%19.7% (14.8% to 24.5%)20%7261 riichi
Call income-369414 (-43.95 to 872)8%955 calls
Win rate after calling29.1%29.7% (23.9% to 35.4%)18%5555 calls
Deal-in rate after calling25.5%14.0% (10.0% to 18.0%)18%155 calls
Luck (difference from the league average)
MetricActualPercentileCount
Starting hand (shanten)+0.0038275 hands
Dora and red fives dealt+0.0797275 hands
Draw luck-1.2%123,254 tile draws
Ura-dora luck-0.083533 riichi wins
Ippatsu rate+7.5%9233 riichi wins
Avoiding a chase riichi (/first riichi)+4.4%7743 first riichi
Mangan+ tsumo against dealer rate12.2%4182 tsumo against
Points from luck (/game)-6.0923 games
Hand balance breakdown
CategoryFrequencyBalance per handLeague averageDifference
Wins with riichi12.0%+1,031+919+112
Wins with calls5.8%+295+382-87
Dama wins2.9%+227+173+54
Deal-ins to riichi4.0%-359-360+1
Deal-ins to open hands4.4%-212-203-9
Deal-ins to dama1.5%-113-101-12
Others' tsumo29.8%-715-752+37
Other (exhaustive draws, etc.)39.6%-40-60+20
Total (per hand)+113
2022-23 (24 games · skill estimate -0.7pt/game)

Style

  • Average win value6,691
  • Riichi rate23.4%
  • Deal-in rate11.8%
  • Win rate19.0%
  • First riichi rate75.6%
  • Average riichi turn9.51
  • Call rate23.8%
  • Tenpai rate at exhaustive draws41.4%
  • Staying in vs riichi14.0%
  • Push rate vs riichi (1-shanten)39.0%
  • Push rate vs riichi (2+ shanten)28.0%
  • Tile efficiency match rate74.2%
  • Tenpai turn (luck-adjusted)8.18
  • Immediate riichi rate73.7%
  • Dama rate12.9%

Where the points came from

  • Own wins+44.6
  • Deal-ins-22.6
  • Others' tsumo-25.9
  • Ron between others-3.4
  • Exhaustive draws+2.8
Change in expected points per game. Total -4.5pt/game (24 games).
As a table
Hand resultHandsTotalPer game
Own wins49+1069.8+44.6
Deal-ins44-543.5-22.6
Others' tsumo80-620.4-25.9
Ron between others63-80.6-3.4
Exhaustive draws64+67.7+2.8

Luck

  • Points from luck (/game)-4.3
  • Draw luck-0.4%
  • Starting hand (shanten)-0.02
  • Dora and red fives dealt+0.04
  • Ura-dora luck+0.02
  • Ippatsu rate+5.3%
  • Avoiding a chase riichi (/first riichi)+7.2%
  • Mangan+ tsumo against dealer rate8.8%
Every number for 2022-23
Results
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Average placement2.542.50 (2.31 to 2.70)14%4724 games
Points per game-4.4-0.7 (-8.8 to 7.5)15%3624 games
Points per game, luck removed-0.1-0.0 (-7.5 to 7.5)20%5224 games
1st-place rate20.8%24.4% (16.4% to 32.4%)16%3524 games
4th-place rate25.0%24.9% (16.9% to 33.0%)17%4924 games
Style
MetricActualEstimate (90% interval)Weight of the recordPercentileCount
Win rate16.3%19.0% (16.6% to 21.4%)27%11300 hands
Deal-in rate14.7%11.8% (10.0% to 13.6%)24%1300 hands
Riichi rate25.0%23.4% (20.9% to 25.9%)29%87300 hands
Call rate24.0%23.8% (20.2% to 27.4%)82%74300 hands
First riichi rate73.3%75.6% (71.3% to 79.9%)14%2375 riichi
Average riichi turn9.929.51 (9.12 to 9.91)31%1475 riichi
Average win value7,1986,691 (6,101 to 7,281)17%7149 wins
Average deal-in value4,3895,465 (4,958 to 5,971)13%10044 deal-ins
Win efficiency1,2911,468 (1,364 to 1,572)3%20300 hands
Deal-in loss685644 (539 to 750)12%33300 hands
Net efficiency607805 (587 to 1,024)13%17300 hands
Push rate vs riichi (1-shanten)33.8%39.0% (32.7% to 45.3%)26%2765 hands facing riichi
Push rate vs riichi (2+ shanten)31.7%28.0% (21.7% to 34.3%)40%8760 hands facing riichi
Tenpai rate after the first call29.2%27.5% (21.2% to 33.9%)54%6072 first calls
Average win turn12.5412.38 (12.23 to 12.53)1%4949 wins
Tenpai rate at exhaustive draws45.3%41.4% (35.1% to 47.7%)26%8764 exhaustive draws
Staying in vs riichi13.5%14.0% (12.1% to 15.9%)7%52163 hands facing an opponent’s riichi
Tile efficiency match rate74.4%74.2% (72.6% to 75.8%)84%811,705 discards
Average ukeire loss (tiles)0.981.00 (0.90 to 1.10)74%171,650 discards
Breaking shape for value1.3%1.6% (1.1% to 2.0%)64%41,705 discards
Tenpai turn (luck-adjusted)8.618.18 (8.06 to 8.31)4%9765 tenpai hands
Immediate riichi rate77.3%73.7% (67.6% to 79.8%)37%7865 tenpai hands
Dama rate12.2%12.9% (7.2% to 18.5%)44%4649 wins
Riichi income1,1722,379 (1,624 to 3,134)17%175 riichi
Riichi win rate32.0%41.8% (35.7% to 47.9%)30%175 riichi
Riichi deal-in rate A24.0%14.6% (12.7% to 16.5%)3%175 riichi
Riichi deal-in rate B17.3%11.5% (9.0% to 14.0%)8%175 riichi
Riichi good-wait rate52.0%50.2% (44.6% to 55.8%)20%6275 riichi
Riichi exhaustive draw rate22.7%20.1% (15.5% to 24.6%)24%7175 riichi
Call income231459 (21.50 to 896)11%2072 calls
Win rate after calling26.4%29.1% (23.7% to 34.4%)22%3072 calls
Deal-in rate after calling13.9%12.0% (8.3% to 15.8%)22%2372 calls
Luck (difference from the league average)
MetricActualPercentileCount
Starting hand (shanten)-0.0246300 hands
Dora and red fives dealt+0.0462300 hands
Draw luck-0.4%273,733 tile draws
Ura-dora luck+0.025224 riichi wins
Ippatsu rate+5.3%7624 riichi wins
Avoiding a chase riichi (/first riichi)+7.2%9055 first riichi
Mangan+ tsumo against dealer rate8.8%8480 tsumo against
Points from luck (/game)-4.32724 games
Hand balance breakdown
CategoryFrequencyBalance per handLeague averageDifference
Wins with riichi8.0%+735+919-184
Wins with calls6.3%+363+382-19
Dama wins2.0%+193+173+20
Deal-ins to riichi4.7%-326-360+34
Deal-ins to open hands7.7%-254-203-51
Deal-ins to dama2.3%-149-101-48
Others' tsumo26.7%-777-752-25
Other (exhaustive draws, etc.)42.3%-7-60+53
Total (per hand)-220

Players with a similar styleclosest career style metrics first

  1. Maki AsamiAkasaka DrivensIn common: Dama rarely, Efficiency first, Chasing riichi often
  2. Tomohiro HondaTEAM RAIDENIn common: Dama rarely, Smaller hands, Riichi-heavy
  3. Sayaka OkadaKADOKAWA Sakura KnightsIn common: Efficiency first, Dama rarely

* 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.