Sato, Kohei
Current rating: 1469
| Grand Prix Yokohama 2012 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Matsumoto, Takahiro (1447) | Lost 1-2 | -191446 |
| 2modern | 452 | Hashimoto, Naoyuki (1482) | Won 2-1 | +191465 |
| 3modern | 546 | Negami, Hiroyuki (1496) | Lost 1-2 | -171448 |
| 4modern | 667 | Tajima, Kenji (1451) | Won 2-0 | +181466 |
| 5modern | 361 | Asami, Masakazu (1579) | Won 2-0 | +201486 |
| 6modern | 331 | Muranaka, Hiroya (1574) | Lost 1-2 | -171469 |
| top | average opponent: 1505record: 3-3 | new rating: 1469 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Hackelman, Kristopher (1500) | Lost 1-2 | -181481 |
| 2standard | 335 | Hayes, Sebastian (1482) | Won 2-1 | +181499 |
| 3standard | 296 | Blanchard, Wes (1582) | Lost 1-2 | -161483 |
| 4standard | 419 | Paul, Josh (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1511record: 1-3 | new rating: 1465 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 105 | Tezuka, Takatomo (1500) | Won 2-0 | +181518 |
| 2extended | 54 | Kuroda, Toshiyuki (1551) | Won 2-0 | +191537 |
| 3extended | 2 | Toyoshima, Masashi (1500) | Lost 1-2 | -191518 |
| 4extended | 124 | Matsushita, Masakazu (1520) | Draw 1-1 | 01518 |
| 5extended | 99 | Nishimura, Yuya (1495) | Draw 1-1 | 01518 |
| 6extended | 123 | Nara, Takahito (1501) | Lost 0-2 | -191499 |
| top | average opponent: 1511record: 2-2-2 | new rating: 1499 | ||