Game · 2020-21 Semifinal Series
4/20 Game 1
Ken Sonoda finished 1st (+81.8pt). The game was decided in East 2: Ken Sonoda tsumo 12,000, which moved Ken Sonoda's expected points by +33.1.
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 | Aiko Hinata 1st-place chance | Kazunori Takizawa 1st-place chance | Ken Sonoda 1st-place chance | Naoki Setokuma 1st-place chance | Aiko Hinata Expected pt change | Kazunori Takizawa Expected pt change | Ken Sonoda Expected pt change | Naoki Setokuma Expected pt change |
|---|---|---|---|---|---|---|---|---|---|
| East 1 | Kazunori Takizawa ron 5,200 from Naoki Setokuma | 27% | 25% | 24% | 25% | -3.1 | +14.1 | +2.2 | -13.2 |
| East 2 | Ken Sonoda tsumo 12,000 | 23% | 34% | 25% | 18% | -8.0 | -18.6 | +33.1 | -6.5 |
| East 3 | Kazunori Takizawa ron 3,900 from Aiko Hinata | 16% | 18% | 52% | 14% | -12.5 | +16.3 | -1.6 | -2.3 |
| East 4 | Ken Sonoda ron 8,000 from Kazunori Takizawa | 11% | 28% | 50% | 12% | +0.8 | -21.0 | +23.7 | -3.5 |
| South 1 | Ken Sonoda ron 2,000 from Kazunori Takizawa | 7% | 9% | 79% | 5% | -5.3 | -3.4 | +9.1 | -0.4 |
| South 2 | Ken Sonoda ron 1,000 from Kazunori Takizawa | 1% | 5% | 91% | 3% | +1.0 | -7.4 | +3.5 | +2.9 |
| South 3 | Ken Sonoda ron 12,000 from Aiko Hinata | 0% | 1% | 96% | 3% | -25.9 | +6.1 | +13.6 | +6.2 |
| South 3, 1 honba | Naoki Setokuma tsumo 8,000 | 0% | 0% | 99% | 1% | -5.5 | -8.8 | -5.6 | +19.9 |
| South 4 | Ken Sonoda ron 3,900 from Naoki Setokuma | 0% | 0% | 97% | 3% | -0.9 | -1.1 | +5.5 | -3.5 |