Kumamoto, Shinya
Current rating: 1446
Record: 4-7-1
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Shimizu, Kyouji (1482) | Lost 1-2 | -191500 |
| 2sealed | 270 | Ichikawa, Hiroshi (1482) | Lost 1-2 | -181482 |
| 3sealed | 267 | Horie, Isamu (1488) | Lost 0-2 | -181464 |
| 4sealed | 300 | Abe, Keisuke (1453) | Lost 0-2 | -181446 |
| average opponent: 1476record: 0-4 | new rating: 1446 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 191 | Nishikawa, Fuyuki (1500) | Draw 1-1 | 01500 |
| 2extended | 182 | Kitamura, Mitsuhiro (1500) | Won 2-0 | +181518 |
| 3extended | 133 | Taniguchi, Takaya (1518) | Won 2-1 | +181536 |
| 4extended | 83 | Ishikawa, Kazuto (1519) | Won 2-0 | +181554 |
| 5extended | 41 | Kodani, Ryousuke (1554) | Lost 0-2 | -181536 |
| 6extended | 95 | Izumisaki, Kyohei (1536) | Won 2-1 | +181554 |
| 7extended | 60 | Fujita, Kenichi (1623) | Lost 1-2 | -171537 |
| 8extended | 99 | Ogata, Satoshi (1537) | Lost 0-2 | -181519 |
| average opponent: 1536record: 4-3-1 | new rating: 1519 | |||