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

Regular Season · 30 players · 180 games

2020-21 season

Actual results per game were as much as 35pt apart between players, but the skill estimates with luck removed differ by only 2.2pt. Most of the gaps in the table are luck.

Top skill estimate (pt/game)
+1.1
Sasaki Hisato, 90% interval -4.4 to +6.6
Spread of skill estimates
2.2
pt/game; actual spread 35.1
Luckiest (pt/game)
+16.9
Uchikawa Kotaro, actual +18.0
Unluckiest (pt/game)
-16.0
Hagiwara Masato, actual -17.1

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

-20-100+10+20ActualSkill estimate20 players in the middleUchikawa Kotaro (26 games) actual +18.0 → estimate +1.1 pt/gameUchikawa KotaroSasaki Hisato (30 games) actual +16.5 → estimate +1.1 pt/gameSasaki HisatoKobayashi Go (31 games) actual +10.9 → estimate +0.8 pt/gameKobayashi GoMatsumoto Yoshihiro (27 games) actual +10.1 → estimate +0.6 pt/gameMatsumoto YoshihiroHori Shingo (28 games) actual +9.8 → estimate +0.6 pt/gameHori ShingoTakamiya Mari (20 games) actual -12.3 → estimate -0.6 pt/gameTakamiya MariSawazaki Makoto (21 games) actual -13.4 → estimate -0.7 pt/gameSawazaki MakotoWakutsu Akira (19 games) actual -14.8 → estimate -0.7 pt/gameWakutsu AkiraAsakura Koshin (19 games) actual -15.5 → estimate -0.7 pt/gameAsakura KoshinHagiwara Masato (27 games) actual -17.1 → estimate -1.1 pt/gameHagiwara Masato-20-100+10+20ActualSkill estimate20 players in the middleUchikawa Kotaro (26 games) actual +18.0 → estimate +1.1 pt/gameUchikawaSasaki Hisato (30 games) actual +16.5 → estimate +1.1 pt/gameSasakiKobayashi Go (31 games) actual +10.9 → estimate +0.8 pt/gameKobayashiMatsumoto Yoshihiro (27 games) actual +10.1 → estimate +0.6 pt/gameMatsumotoHori Shingo (28 games) actual +9.8 → estimate +0.6 pt/gameHoriTakamiya Mari (20 games) actual -12.3 → estimate -0.6 pt/gameTakamiyaSawazaki Makoto (21 games) actual -13.4 → estimate -0.7 pt/gameSawazakiWakutsu Akira (19 games) actual -14.8 → estimate -0.7 pt/gameWakutsuAsakura Koshin (19 games) actual -15.5 → estimate -0.7 pt/gameAsakuraHagiwara Masato (27 games) actual -17.1 → estimate -1.1 pt/gameHagiwara
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 estimateUchikawa Kotaro (26 games) actual +18.0 → estimate +1.1 pt/gameUchikawa KotaroSasaki Hisato (30 games) actual +16.5 → estimate +1.1 pt/gameSasaki HisatoKobayashi Go (31 games) actual +10.9 → estimate +0.8 pt/gameKobayashi GoMatsumoto Yoshihiro (27 games) actual +10.1 → estimate +0.6 pt/gameMatsumoto YoshihiroHori Shingo (28 games) actual +9.8 → estimate +0.6 pt/gameHori ShingoOoi Takaharu (25 games) actual +9.4 → estimate +0.5 pt/gameOoi TakaharuKurosawa Saki (31 games) actual +6.2 → estimate +0.4 pt/gameKurosawa SakiShiratori Sho (21 games) actual +5.2 → estimate +0.3 pt/gameShiratori ShoKayamori Sayaka (23 games) actual +4.8 → estimate +0.3 pt/gameKayamori SayakaMurakami Jun (26 games) actual +4.7 → estimate +0.3 pt/gameMurakami JunOkada Sayaka (15 games) actual +2.2 → estimate +0.1 pt/gameOkada SayakaHinata Aiko (17 games) actual +2.2 → estimate +0.1 pt/gameHinata AikoSetokuma Naoki (32 games) actual +1.8 → estimate +0.1 pt/gameSetokuma NaokiSuzuki Taro (26 games) actual +0.3 → estimate 0.0 pt/gameSuzuki TaroTakizawa Kazunori (31 games) actual +0.1 → estimate 0.0 pt/gameTakizawa KazunoriSonoda Ken (28 games) actual -1.0 → estimate -0.1 pt/gameSonoda KenNikaido Aki (28 games) actual -1.3 → estimate -0.1 pt/gameNikaido AkiKondo Seiichi (22 games) actual -2.1 → estimate -0.1 pt/gameKondo SeiichiKatsumata Kenji (31 games) actual -2.4 → estimate -0.2 pt/gameKatsumata KenjiMizuhara Akina (19 games) actual -6.2 → estimate -0.3 pt/gameMizuhara AkinaUotani Yuumi (26 games) actual -6.9 → estimate -0.4 pt/gameUotani YuumiFujisaki Satoshi (19 games) actual -8.7 → estimate -0.4 pt/gameFujisaki SatoshiIshibashi Nobuhiro (21 games) actual -9.0 → estimate -0.4 pt/gameIshibashi NobuhiroMaruyama Kanako (10 games) actual -10.4 → estimate -0.2 pt/gameMaruyama KanakoMaehara Yudai (21 games) actual -12.0 → estimate -0.6 pt/gameMaehara YudaiTakamiya Mari (20 games) actual -12.3 → estimate -0.6 pt/gameTakamiya MariSawazaki Makoto (21 games) actual -13.4 → estimate -0.7 pt/gameSawazaki MakotoWakutsu Akira (19 games) actual -14.8 → estimate -0.7 pt/gameWakutsu AkiraAsakura Koshin (19 games) actual -15.5 → estimate -0.7 pt/gameAsakura KoshinHagiwara Masato (27 games) actual -17.1 → estimate -1.1 pt/gameHagiwara MasatoClick to fold-20-100+10+20ActualSkill estimateUchikawa Kotaro (26 games) actual +18.0 → estimate +1.1 pt/gameUchikawaSasaki Hisato (30 games) actual +16.5 → estimate +1.1 pt/gameSasakiKobayashi Go (31 games) actual +10.9 → estimate +0.8 pt/gameKobayashiMatsumoto Yoshihiro (27 games) actual +10.1 → estimate +0.6 pt/gameMatsumotoHori Shingo (28 games) actual +9.8 → estimate +0.6 pt/gameHoriOoi Takaharu (25 games) actual +9.4 → estimate +0.5 pt/gameOoiKurosawa Saki (31 games) actual +6.2 → estimate +0.4 pt/gameKurosawaShiratori Sho (21 games) actual +5.2 → estimate +0.3 pt/gameShiratoriKayamori Sayaka (23 games) actual +4.8 → estimate +0.3 pt/gameKayamoriMurakami Jun (26 games) actual +4.7 → estimate +0.3 pt/gameMurakamiOkada Sayaka (15 games) actual +2.2 → estimate +0.1 pt/gameOkadaHinata Aiko (17 games) actual +2.2 → estimate +0.1 pt/gameHinataSetokuma Naoki (32 games) actual +1.8 → estimate +0.1 pt/gameSetokumaSuzuki Taro (26 games) actual +0.3 → estimate 0.0 pt/gameSuzukiTakizawa Kazunori (31 games) actual +0.1 → estimate 0.0 pt/gameTakizawaSonoda Ken (28 games) actual -1.0 → estimate -0.1 pt/gameSonodaNikaido Aki (28 games) actual -1.3 → estimate -0.1 pt/gameNikaidoKondo Seiichi (22 games) actual -2.1 → estimate -0.1 pt/gameKondoKatsumata Kenji (31 games) actual -2.4 → estimate -0.2 pt/gameKatsumataMizuhara Akina (19 games) actual -6.2 → estimate -0.3 pt/gameMizuharaUotani Yuumi (26 games) actual -6.9 → estimate -0.4 pt/gameUotaniFujisaki Satoshi (19 games) actual -8.7 → estimate -0.4 pt/gameFujisakiIshibashi Nobuhiro (21 games) actual -9.0 → estimate -0.4 pt/gameIshibashiMaruyama Kanako (10 games) actual -10.4 → estimate -0.2 pt/gameMaruyamaMaehara Yudai (21 games) actual -12.0 → estimate -0.6 pt/gameMaeharaTakamiya Mari (20 games) actual -12.3 → estimate -0.6 pt/gameTakamiyaSawazaki Makoto (21 games) actual -13.4 → estimate -0.7 pt/gameSawazakiWakutsu Akira (19 games) actual -14.8 → estimate -0.7 pt/gameWakutsuAsakura Koshin (19 games) actual -15.5 → estimate -0.7 pt/gameAsakuraHagiwara Masato (27 games) actual -17.1 → estimate -1.1 pt/gameHagiwaraClick 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
1Sasaki Hisato30+1.1+0.1+16.5+15.3
2Uchikawa Kotaro26+1.1+1.0+18.0+16.9
3Kobayashi Go31+0.8+0.8+10.9+10.1
4Hori Shingo28+0.6+0.8+9.8+9.2
5Matsumoto Yoshihiro27+0.6+0.4+10.1+9.5
6Ooi Takaharu25+0.5+0.8+9.4+8.8
7Kurosawa Saki31+0.4+0.4+6.2+5.8
8Murakami Jun26+0.3+0.1+4.7+4.4
9Shiratori Sho21+0.3+0.3+5.2+5.0
10Kayamori Sayaka23+0.3+0.7+4.8+4.5
11Setokuma Naoki32+0.10.0+1.8+1.7
12Hinata Aiko17+0.1+0.3+2.2+2.2
13Okada Sayaka15+0.1+0.1+2.2+2.2
14Suzuki Taro260.0+0.1+0.3+0.2
15Takizawa Kazunori310.0+0.1+0.1+0.1
Below here: under the league average
16Sonoda Ken28-0.1+0.2-1.0-1.0
17Nikaido Aki28-0.1-0.8-1.3-1.3
18Kondo Seiichi22-0.1-0.1-2.1-2.0
19Katsumata Kenji31-0.2+0.3-2.4-2.2
20Maruyama Kanako10-0.2-0.3-10.4-10.1
21Mizuhara Akina19-0.3-0.1-6.2-5.9
22Fujisaki Satoshi19-0.4-0.5-8.7-8.3
23Uotani Yuumi26-0.4+0.2-6.9-6.5
24Ishibashi Nobuhiro21-0.4-0.8-9.0-8.6
25Takamiya Mari20-0.6-0.7-12.3-11.7
26Maehara Yudai21-0.60.0-12.0-11.4
27Sawazaki Makoto21-0.7-0.4-13.4-12.7
28Wakutsu Akira19-0.7-0.7-14.8-14.1
29Asakura Koshin19-0.7-0.7-15.5-14.8
30Hagiwara Masato27-1.1-1.4-17.1-16.0

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
Sasaki Hisato+15.6+0.09+0.01+1.2%+0.04+3.6%+2.1%10.8%
Nikaido Aki+8.1+0.03-0.03+0.6%+0.09-0.3%+3.3%9.8%
Uchikawa Kotaro+5.9+0.05+0.00-0.1%+0.20-5.9%+2.9%16.1%
Matsumoto Yoshihiro+5.4+0.01-0.02+0.5%-0.07-1.1%+9.8%11.7%
Murakami Jun+3.4-0.08-0.05+0.3%-0.05-6.6%-6.8%11.8%
Ishibashi Nobuhiro+3.0-0.03-0.03+0.7%+0.02-11.7%+4.2%12.7%
Kobayashi Go+2.6-0.01+0.03-0.2%-0.04-0.5%+8.4%16.3%
Kurosawa Saki+2.4+0.04+0.00-0.9%+0.12+0.3%+5.3%7.5%
Setokuma Naoki+2.0+0.03+0.09-0.3%-0.08+7.3%+3.3%8.5%
Shiratori Sho+1.0+0.11-0.00+0.5%+0.09-11.1%-0.9%6.6%
Hori Shingo+0.8-0.04+0.02-0.7%-0.22+3.9%+10.5%8.6%
Okada Sayaka+0.4+0.13+0.03-0.3%-0.02+7.5%+4.3%14.6%
Kondo Seiichi-0.2-0.01+0.05+0.2%+0.18+12.3%+0.3%17.3%
Fujisaki Satoshi-0.2+0.07+0.03-0.7%-0.11+1.7%+8.6%17.0%
Hagiwara Masato-0.5+0.04+0.02+0.3%+0.23+11.7%-11.9%22.6%
Takizawa Kazunori-0.5+0.04-0.02+0.2%-0.07+1.7%-4.5%15.8%
Suzuki Taro-1.1+0.10+0.05-0.6%-0.07-5.9%+2.5%13.3%
Takamiya Mari-1.1-0.05+0.05+0.8%-0.04-3.1%+3.6%14.3%
Ooi Takaharu-1.4-0.02+0.05+0.5%-0.03+2.1%+0.3%10.5%
Maruyama Kanako-2.4+0.10+0.06-0.9%+0.04+11.0%+5.3%7.1%
Wakutsu Akira-2.4-0.04-0.04-0.3%+0.08+3.3%+4.6%18.8%
Hinata Aiko-3.2-0.02+0.01-0.6%-0.19-2.1%+3.9%10.2%
Sonoda Ken-3.4-0.04-0.05-0.5%+0.05-3.1%+7.7%12.5%
Mizuhara Akina-3.8+0.03+0.06-0.3%-0.06+2.5%+4.6%9.1%
Asakura Koshin-4.1-0.01-0.05+0.1%-0.20+0.3%-6.5%16.9%
Kayamori Sayaka-4.3-0.09+0.03-0.5%+0.19-9.0%+8.6%7.7%
Katsumata Kenji-5.9+0.01+0.02-0.5%-0.31-13.1%-0.9%11.3%
Sawazaki Makoto-7.7-0.05+0.00-1.0%+0.17+1.1%-3.3%7.8%
Uotani Yuumi-8.9-0.01-0.06-0.8%-0.11-10.7%-1.2%12.6%
Maehara Yudai-11.7+0.04-0.05-0.8%-0.10+10.7%+8.2%12.3%

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 2020-21 game · Official stats such as points and placements are on the official M.League site.