Game · 2025-26 Regular Season
10/20 Game 1
Kazuma Ishii finished 1st (+49.9pt). The game was decided in South 4: Kazuma Ishii ron 5,200 from Genta Takeuchi, which moved Kazuma Ishii's expected points by +53.0.
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 | Sayaka Okada 1st-place chance | Genta Takeuchi 1st-place chance | Kazuma Ishii 1st-place chance | Ken Sonoda 1st-place chance | Sayaka Okada Expected pt change | Genta Takeuchi Expected pt change | Kazuma Ishii Expected pt change | Ken Sonoda Expected pt change |
|---|---|---|---|---|---|---|---|---|---|
| East 1 | Genta Takeuchi ron 5,200 from Kazuma Ishii | 26% | 25% | 25% | 24% | -4.8 | +14.9 | -13.8 | +3.7 |
| East 2 | Genta Takeuchi tsumo 3,000 | 21% | 35% | 18% | 26% | -2.8 | +8.9 | -0.3 | -5.9 |
| East 2, 1 honba | Sayaka Okada tsumo 12,000 | 20% | 43% | 15% | 22% | +34.8 | -19.8 | -10.0 | -5.0 |
| East 3 | Genta Takeuchi ron 8,000 from Ken Sonoda | 48% | 23% | 10% | 19% | -0.3 | +27.3 | -3.8 | -23.2 |
| East 4 | Kazuma Ishii tsumo 8,000 | 41% | 45% | 6% | 7% | -3.8 | -4.1 | +22.5 | -14.7 |
| South 1 | Kazuma Ishii tsumo 8,000 | 40% | 43% | 14% | 3% | -16.2 | -4.2 | +24.6 | -4.2 |
| South 2 | Ken Sonoda tsumo 12,000 | 24% | 39% | 34% | 3% | -4.9 | -15.9 | -1.3 | +22.2 |
| South 3 | Ken Sonoda tsumo 8,000 | 25% | 28% | 37% | 11% | -5.4 | -4.8 | -20.8 | +30.9 |
| South 4 | Kazuma Ishii ron 5,200 from Genta Takeuchi | 29% | 25% | 24% | 23% | -13.6 | -42.3 | +53.0 | +3.0 |