Hashimoto, Kouichi
Current rating: 1277
Record: 0-13
| Grand Prix Yokohama 2012 (modern) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 201 | Yamazaki, Yuuji (1500) | Lost 0-2 | -161357 |
| 2modern | 650 | Okimura, Yosuke (1518) | Lost 0-2 | -151342 |
| 3modern | 665 | Kasahara, Yuuki (1483) | Lost 0-2 | -151327 |
| 4modern | 688 | Watabe, Tetsuro (1447) | Lost 1-2 | -161311 |
| 5modern | 652 | Nakamura, Takuya (1412) | Lost 1-2 | -161295 |
| 6modern | 582 | Matsuo, Keita (1320) | Lost 0-2 | -181277 |
| average opponent: 1447record: 0-6 | new rating: 1277 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 5 | Yagyuu, Hotaka (1500) | Lost 0-2 | -181482 |
| 2extended | 407 | Shiraishi, Masaharu (1521) | Lost 0-2 | -171465 |
| 3extended | 416 | chomi, leandro c (1466) | Lost 0-2 | -181447 |
| 4extended | 476 | Suzuki, Gou (1410) | Lost 0-2 | -191428 |
| 5extended | 439 | Hasegawa, Tsuguto (1398) | Lost 1-2 | -181410 |
| 6extended | 374 | Ikeda, Naoto (1354) | Lost 0-2 | -191391 |
| 7extended | 292 | ishitsuka, syuuhei (1409) | Lost 0-2 | -181373 |
| average opponent: 1437record: 0-7 | new rating: 1373 | |||