Most differences in results are within chance.They are no grounds for criticising players.

Regular Season · 29 players · 180 games

2019-20 season

Actual results per game were as much as 31pt apart between players, but the skill estimates with luck removed differ by only 1.9pt. Most of the gaps in the table are luck.

Top skill estimate (pt/game)
+1.0
Uotani Yuumi, 90% interval -4.6 to +6.6
Spread of skill estimates
1.9
pt/game; actual spread 31.0
Luckiest (pt/game)
+15.7
Uotani Yuumi, actual +16.7
Unluckiest (pt/game)
-13.7
Nikaido Aki, actual -14.3

Actual and skill estimateper game, by how far luck lifted or sank them

-20-100+10+20ActualSkill estimate19 players in the middleUotani Yuumi (27 games) actual +16.7 → estimate +1.0 pt/gameUotani YuumiKondo Seiichi (22 games) actual +15.1 → estimate +0.8 pt/gameKondo SeiichiMurakami Jun (27 games) actual +13.6 → estimate +0.8 pt/gameMurakami JunShiratori Sho (24 games) actual +12.1 → estimate +0.7 pt/gameShiratori ShoOoi Takaharu (27 games) actual +7.8 → estimate +0.5 pt/gameOoi TakaharuIshibashi Nobuhiro (16 games) actual -10.5 → estimate -0.4 pt/gameIshibashi NobuhiroMatsumoto Yoshihiro (23 games) actual -10.7 → estimate -0.6 pt/gameMatsumoto YoshihiroSonoda Ken (27 games) actual -14.0 → estimate -0.9 pt/gameSonoda KenMaruyama Kanako (10 games) actual -14.0 → estimate -0.3 pt/gameMaruyama KanakoNikaido Aki (20 games) actual -14.3 → estimate -0.7 pt/gameNikaido Aki-20-100+10+20ActualSkill estimate19 players in the middleUotani Yuumi (27 games) actual +16.7 → estimate +1.0 pt/gameUotaniKondo Seiichi (22 games) actual +15.1 → estimate +0.8 pt/gameKondoMurakami Jun (27 games) actual +13.6 → estimate +0.8 pt/gameMurakamiShiratori Sho (24 games) actual +12.1 → estimate +0.7 pt/gameShiratoriOoi Takaharu (27 games) actual +7.8 → estimate +0.5 pt/gameOoiIshibashi Nobuhiro (16 games) actual -10.5 → estimate -0.4 pt/gameIshibashiMatsumoto Yoshihiro (23 games) actual -10.7 → estimate -0.6 pt/gameMatsumotoSonoda Ken (27 games) actual -14.0 → estimate -0.9 pt/gameSonodaMaruyama Kanako (10 games) actual -14.0 → estimate -0.3 pt/gameMaruyamaNikaido Aki (20 games) actual -14.3 → estimate -0.7 pt/gameNikaido
Points per game. ○ actual, ● skill estimate allowing for luck. Every player's estimate is pulled well back toward the league average (0).
-20-100+10+20ActualSkill estimateUotani Yuumi (27 games) actual +16.7 → estimate +1.0 pt/gameUotani YuumiKondo Seiichi (22 games) actual +15.1 → estimate +0.8 pt/gameKondo SeiichiMurakami Jun (27 games) actual +13.6 → estimate +0.8 pt/gameMurakami JunShiratori Sho (24 games) actual +12.1 → estimate +0.7 pt/gameShiratori ShoOoi Takaharu (27 games) actual +7.8 → estimate +0.5 pt/gameOoi TakaharuKobayashi Go (30 games) actual +7.0 → estimate +0.5 pt/gameKobayashi GoSawazaki Makoto (41 games) actual +6.2 → estimate +0.6 pt/gameSawazaki MakotoKurosawa Saki (28 games) actual +5.4 → estimate +0.3 pt/gameKurosawa SakiTakamiya Mari (21 games) actual +4.7 → estimate +0.2 pt/gameTakamiya MariMaehara Yudai (20 games) actual +4.0 → estimate +0.2 pt/gameMaehara YudaiSasaki Hisato (29 games) actual +2.8 → estimate +0.2 pt/gameSasaki HisatoHinata Aiko (16 games) actual +1.2 → estimate 0.0 pt/gameHinata AikoSetokuma Naoki (33 games) actual +0.6 → estimate 0.0 pt/gameSetokuma NaokiKatsumata Kenji (35 games) actual 0.0 → estimate 0.0 pt/gameKatsumata KenjiUchikawa Kotaro (30 games) actual -1.1 → estimate -0.1 pt/gameUchikawa KotaroFujisaki Satoshi (20 games) actual -3.3 → estimate -0.2 pt/gameFujisaki SatoshiSuzuki Taro (26 games) actual -4.8 → estimate -0.3 pt/gameSuzuki TaroAsakura Koshin (28 games) actual -5.1 → estimate -0.3 pt/gameAsakura KoshinTakizawa Kazunori (35 games) actual -5.4 → estimate -0.4 pt/gameTakizawa KazunoriKayamori Sayaka (26 games) actual -6.1 → estimate -0.4 pt/gameKayamori SayakaMizuhara Akina (16 games) actual -6.4 → estimate -0.2 pt/gameMizuhara AkinaOkada Sayaka (19 games) actual -8.0 → estimate -0.4 pt/gameOkada SayakaHagiwara Masato (29 games) actual -8.7 → estimate -0.6 pt/gameHagiwara MasatoWakutsu Akira (15 games) actual -8.7 → estimate -0.3 pt/gameWakutsu AkiraIshibashi Nobuhiro (16 games) actual -10.5 → estimate -0.4 pt/gameIshibashi NobuhiroMatsumoto Yoshihiro (23 games) actual -10.7 → estimate -0.6 pt/gameMatsumoto YoshihiroSonoda Ken (27 games) actual -14.0 → estimate -0.9 pt/gameSonoda KenMaruyama Kanako (10 games) actual -14.0 → estimate -0.3 pt/gameMaruyama KanakoNikaido Aki (20 games) actual -14.3 → estimate -0.7 pt/gameNikaido AkiClick to fold-20-100+10+20ActualSkill estimateUotani Yuumi (27 games) actual +16.7 → estimate +1.0 pt/gameUotaniKondo Seiichi (22 games) actual +15.1 → estimate +0.8 pt/gameKondoMurakami Jun (27 games) actual +13.6 → estimate +0.8 pt/gameMurakamiShiratori Sho (24 games) actual +12.1 → estimate +0.7 pt/gameShiratoriOoi Takaharu (27 games) actual +7.8 → estimate +0.5 pt/gameOoiKobayashi Go (30 games) actual +7.0 → estimate +0.5 pt/gameKobayashiSawazaki Makoto (41 games) actual +6.2 → estimate +0.6 pt/gameSawazakiKurosawa Saki (28 games) actual +5.4 → estimate +0.3 pt/gameKurosawaTakamiya Mari (21 games) actual +4.7 → estimate +0.2 pt/gameTakamiyaMaehara Yudai (20 games) actual +4.0 → estimate +0.2 pt/gameMaeharaSasaki Hisato (29 games) actual +2.8 → estimate +0.2 pt/gameSasakiHinata Aiko (16 games) actual +1.2 → estimate 0.0 pt/gameHinataSetokuma Naoki (33 games) actual +0.6 → estimate 0.0 pt/gameSetokumaKatsumata Kenji (35 games) actual 0.0 → estimate 0.0 pt/gameKatsumataUchikawa Kotaro (30 games) actual -1.1 → estimate -0.1 pt/gameUchikawaFujisaki Satoshi (20 games) actual -3.3 → estimate -0.2 pt/gameFujisakiSuzuki Taro (26 games) actual -4.8 → estimate -0.3 pt/gameSuzukiAsakura Koshin (28 games) actual -5.1 → estimate -0.3 pt/gameAsakuraTakizawa Kazunori (35 games) actual -5.4 → estimate -0.4 pt/gameTakizawaKayamori Sayaka (26 games) actual -6.1 → estimate -0.4 pt/gameKayamoriMizuhara Akina (16 games) actual -6.4 → estimate -0.2 pt/gameMizuharaOkada Sayaka (19 games) actual -8.0 → estimate -0.4 pt/gameOkadaHagiwara Masato (29 games) actual -8.7 → estimate -0.6 pt/gameHagiwaraWakutsu Akira (15 games) actual -8.7 → estimate -0.3 pt/gameWakutsuIshibashi Nobuhiro (16 games) actual -10.5 → estimate -0.4 pt/gameIshibashiMatsumoto Yoshihiro (23 games) actual -10.7 → estimate -0.6 pt/gameMatsumotoSonoda Ken (27 games) actual -14.0 → estimate -0.9 pt/gameSonodaMaruyama Kanako (10 games) actual -14.0 → estimate -0.3 pt/gameMaruyamaNikaido Aki (20 games) actual -14.3 → estimate -0.7 pt/gameNikaidoClick to fold
Points per game. ○ actual, ● skill estimate allowing for luck. Every player's estimate is pulled well back toward the league average (0).

Points from luckfrom starting hands, draws and ura-dora, pt/game

With league-average luck as 0: what the quality of starting hands, draws and ura-dora was worth in points (Methodology 4 (Japanese)).

Skill estimatepoints per game, highest estimate first, 10+ games

PlayerGames90% intervalSkill estimateEstimate, luck removedActualActual − estimate
1Uotani Yuumi27+1.0+1.8+16.7+15.7
2Murakami Jun27+0.8+1.0+13.6+12.7
3Kondo Seiichi22+0.8+1.3+15.1+14.3
4Shiratori Sho24+0.7+0.2+12.1+11.4
5Sawazaki Makoto41+0.6+0.3+6.2+5.6
6Ooi Takaharu27+0.50.0+7.8+7.3
7Kobayashi Go30+0.5+1.0+7.0+6.6
8Kurosawa Saki28+0.3-0.3+5.4+5.0
9Takamiya Mari21+0.2-0.1+4.7+4.5
10Maehara Yudai20+0.2-0.2+4.0+3.8
11Sasaki Hisato29+0.2+0.3+2.8+2.6
12Setokuma Naoki330.0-0.4+0.6+0.6
13Hinata Aiko160.00.0+1.2+1.1
14Katsumata Kenji350.0+0.50.00.0
Below here: under the league average
15Uchikawa Kotaro30-0.1+0.1-1.1-1.0
16Fujisaki Satoshi20-0.2-0.3-3.3-3.1
17Mizuhara Akina16-0.2-0.4-6.4-6.1
18Suzuki Taro26-0.3-0.3-4.8-4.5
19Wakutsu Akira15-0.3-0.2-8.7-8.4
20Asakura Koshin28-0.3+0.1-5.1-4.8
21Maruyama Kanako10-0.3-0.2-14.0-13.6
22Okada Sayaka19-0.4-0.3-8.0-7.7
23Kayamori Sayaka26-0.4-0.1-6.1-5.7
24Ishibashi Nobuhiro16-0.4-0.3-10.5-10.1
25Takizawa Kazunori35-0.4-0.5-5.4-5.0
26Matsumoto Yoshihiro23-0.6-0.9-10.7-10.1
27Hagiwara Masato29-0.6-0.8-8.7-8.1
28Nikaido Aki20-0.7-0.6-14.3-13.7
29Sonoda Ken27-0.9-0.8-14.0-13.1

The band is the 90% interval of the skill estimate, the dot the estimate, the vertical line the league average (0). The fewer the games, the more the skill estimate is pulled toward the league average. "Estimate, luck removed" also takes the luck of starting hands, draws and ura-dora out of the points first (Methodology (Japanese)).The "actual − estimate" bars show how far results ran above (blue) or below (red) the estimate.

Luckdifference from the league average; bluer is luckier, redder unluckier

PlayerPoints from luck (/game)Starting hand (shanten)Dora and red fives dealtDraw luckUra-dora luckIppatsu rateNot being chased (/first riichi)Painful dealer tsumo rate
Shiratori Sho+9.8-0.06-0.02-0.2%+0.24+7.5%+7.4%6.1%
Kurosawa Saki+9.3-0.06-0.06+0.9%+0.05+3.9%+12.1%12.2%
Ooi Takaharu+8.2-0.09+0.05+0.8%+0.05+3.1%-1.8%11.5%
Maehara Yudai+7.5-0.02+0.01+0.1%+0.13+0.3%-7.3%10.7%
Takamiya Mari+6.4-0.02+0.06+0.2%-0.08+3.5%+8.4%8.2%
Setokuma Naoki+4.2+0.04-0.00-0.1%+0.02+0.6%+4.8%14.8%
Sawazaki Makoto+3.3-0.09+0.00+0.3%+0.10+4.6%-1.7%8.8%
Fujisaki Satoshi+2.0-0.07+0.06+0.3%+0.10+6.3%+3.9%14.8%
Murakami Jun+2.0-0.07+0.03+0.2%+0.14+1.9%-1.0%7.5%
Hinata Aiko+1.7+0.01-0.04+0.5%-0.07-1.6%+4.8%13.3%
Matsumoto Yoshihiro+1.4-0.04-0.06-0.3%+0.17+0.9%-1.1%15.5%
Hagiwara Masato+0.6+0.04-0.01+0.5%+0.06-4.4%-0.4%14.9%
Mizuhara Akina+0.5-0.02+0.08+0.2%+0.17-19.7%-13.2%5.7%
Takizawa Kazunori-0.5-0.06-0.00+0.3%+0.11+6.3%-0.1%14.2%
Sasaki Hisato-1.0+0.02-0.01+0.1%+0.07+0.3%+5.3%8.0%
Suzuki Taro-1.7-0.08-0.08-0.4%+0.03+20.3%+11.4%17.6%
Okada Sayaka-2.4-0.02-0.02+0.4%-0.12-0.4%-2.0%8.3%
Uchikawa Kotaro-2.6-0.06+0.06-0.2%+0.03-7.2%-0.1%12.7%
Wakutsu Akira-3.5+0.09+0.04+0.4%-0.13+0.3%-3.7%14.0%
Kobayashi Go-3.7-0.06-0.04+0.2%+0.25-6.4%+4.0%15.7%
Kondo Seiichi-4.3-0.01-0.02+0.4%-0.10+13.6%+3.4%8.2%
Katsumata Kenji-4.6+0.02-0.03+0.3%-0.06-0.2%-11.8%10.8%
Ishibashi Nobuhiro-4.7-0.12+0.06+0.3%+0.14-12.6%+1.1%17.1%
Kayamori Sayaka-4.7-0.02-0.03-0.7%+0.03+14.9%-2.3%7.7%
Sonoda Ken-4.9-0.11-0.02-0.1%-0.23+2.8%+5.7%17.6%
Uotani Yuumi-5.1-0.02-0.00-0.0%+0.13-4.9%+1.7%2.5%
Nikaido Aki-5.5+0.01+0.05-1.6%-0.03-2.1%-2.3%12.1%
Asakura Koshin-5.8+0.00+0.03+0.1%-0.19-16.9%-1.6%17.6%
Maruyama Kanako-7.8+0.03-0.06+0.0%+0.30+5.3%-8.0%20.5%

Shading is scaled to the largest difference in each column. Points from luck is the sum of the columns to its right, converted to points.

The hand that decided each 2019-20 game · Official stats such as points and placements are on the official M.League site.