Game · 2020-21 Regular Season
1/4 Game 1
Kotaro Uchikawa finished 1st (+65.2pt). The game was decided in South 2, 1 honba: Kotaro Uchikawa tsumo 7,800, which moved Kotaro Uchikawa's expected points by +28.9.
1st-place probabilityat the start of each hand
Hand by handexpected pt change = how much the hand's result moved the expected final points
| Hands | Result | Sho Shiratori 1st-place chance | Kotaro Uchikawa 1st-place chance | Mari Takamiya 1st-place chance | Ken Sonoda 1st-place chance | Sho Shiratori Expected pt change | Kotaro Uchikawa Expected pt change | Mari Takamiya Expected pt change | Ken Sonoda Expected pt change |
|---|---|---|---|---|---|---|---|---|---|
| East 1 | Kotaro Uchikawa tsumo 4,000 | 26% | 24% | 26% | 24% | -7.6 | +12.9 | -4.8 | -0.6 |
| East 2 | Kotaro Uchikawa ron 2,900 from Mari Takamiya | 20% | 34% | 22% | 24% | -1.2 | +5.1 | -5.7 | +1.8 |
| East 2, 1 honba | Sho Shiratori tsumo 5,200 | 19% | 38% | 18% | 25% | +20.4 | -10.0 | -4.5 | -5.9 |
| East 3 | Mari Takamiya tsumo 3,000 | 34% | 28% | 16% | 22% | -3.0 | -4.4 | +8.1 | -0.7 |
| East 3, 1 honba | Mari Takamiya ron 7,700 from Ken Sonoda | 31% | 25% | 22% | 22% | -1.8 | +1.1 | +20.6 | -19.8 |
| East 3, 2 honba | Kotaro Uchikawa tsumo 8,000 | 28% | 26% | 35% | 11% | -5.5 | +27.0 | -13.5 | -7.9 |
| East 4 | Mari Takamiya ron 6,400 from Kotaro Uchikawa | 22% | 50% | 20% | 8% | +0.2 | -17.8 | +21.1 | -3.5 |
| South 1 | Exhaustive draw | 22% | 31% | 41% | 6% | -5.8 | +4.2 | +4.2 | -2.6 |
| South 2, 1 honba | Kotaro Uchikawa tsumo 7,800 | 16% | 34% | 45% | 5% | -10.3 | +28.9 | -12.4 | -6.3 |
| South 2, 2 honba | Mari Takamiya ron 2,000 from Ken Sonoda | 7% | 68% | 23% | 2% | -0.8 | -1.2 | +6.9 | -4.9 |
| South 3 | Kotaro Uchikawa tsumo 5,200 | 5% | 67% | 27% | 2% | -3.3 | +17.6 | -12.7 | -1.5 |
| South 4 | Mari Takamiya ron 12,000 from Ken Sonoda | 1% | 94% | 4% | 1% | -1.3 | +3.0 | +14.3 | -16.0 |