Yamasaki, Kishun
Current rating: 1541
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Hitomi, Masaaki (1467) | Won 2-1 | +171538 |
| 2sealed | 37 | Shibata, Toshiya (1603) | Lost 0-2 | -171521 |
| 3sealed | 109 | Saitou, Kazuya (1436) | Won 2-0 | +161537 |
| 4sealed | 83 | Niimi, Kiyoaki (1572) | Lost 1-2 | -171520 |
| 5sealed | 119 | Nishino, Kenta (1687) | Won 2-0 | +211541 |
| top | average opponent: 1553record: 3-2 | new rating: 1541 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Furukawa, Tadataka (1426) | Won 2-1 | +171515 |
| 2sealed | 93 | Tominaga, Yuji (1500) | Won 2-0 | +171532 |
| 3sealed | 21 | Ikeda, Kei (1656) | Won 2-0 | +211553 |
| 4sealed | 4 | Nobushita, Jun (1636) | Won 2-0 | +191572 |
| 5sealed | 8 | Tsujimoto, Hideki (1572) | Lost 0-2 | -181554 |
| 6sealed | 48 | Long, Mike 2 (1737) | Lost 0-2 | -151539 |
| 7sealed | 56 | Kageyama, Tarou (1495) | Lost 0-2 | -181521 |
| top | average opponent: 1575record: 4-3 | new rating: 1521 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 317 | Fukae, Teruaki (1500) | Lost 0-2 | -181482 |
| 2block | 380 | Higashida, Taketo (1482) | Won 2-1 | +181500 |
| 3block | 363 | Hashimoto, Yuichi (1482) | Won 2-0 | +181518 |
| 4block | 381 | Sawada, Akihisa (1500) | Won 2-1 | +171535 |
| 5block | 83 | Ijuin, Keisuke (1536) | Lost 1-2 | -181517 |
| 6block | 232 | Shibuya, Kouichi (1486) | Won 2-0 | +181535 |
| 7block | 156 | Arakane, Keisuke (1536) | Lost 1-2 | -181517 |
| 8block | 253 | Kamei, Kazuhiko (1466) | Lost 1-2 | -191498 |
| top | average opponent: 1499record: 4-4 | new rating: 1498 | ||