Ikeda, Yasunori
Current rating: 1510
| Grand Prix Okayama 2004 (extended) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 59 | Yamada, Uchu (1436) | Won 2-1 | +161549 |
| 2extended | 60 | Furukawa, Yuuki (1503) | Lost 1-2 | -181531 |
| 3extended | 97 | Muramatsu, Daisuke (1473) | Lost 1-2 | -191512 |
| 4extended | 144 | Shimomura, Takuya (1479) | Won 2-0 | +171529 |
| 5extended | 108 | Konishi, Hideaki (1452) | Lost 0-2 | -191510 |
| top | average opponent: 1469record: 2-3 | new rating: 1510 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 65 | Suzuki, Keiji (1500) | Won 2-1 | +181517 |
| 2extended | 74 | Kai, Tsubasa (1468) | Lost 0-2 | -191498 |
| 3extended | 109 | Okita, Kenichiro (1505) | Lost 1-2 | -181480 |
| 4extended | 167 | Suzuki, Fumio (1475) | Won 2-1 | +181498 |
| 5extended | 126 | Satou, Tsubasa (1447) | Won 2-0 | +171515 |
| 6extended | 80 | Nishida, Toshimasa (1572) | Won 2-0 | +191534 |
| 7extended | 50 | Fukushima, Hirotomo (1476) | Won 2-0 | +171551 |
| 8extended | 51 | Mihara, Makihito (1566) | Lost 1-2 | -181533 |
| top | average opponent: 1501record: 5-3 | new rating: 1533 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 81 | Fujino, Takao (1500) | Won 2-0 | +181518 |
| 2block | 282 | Osawa, Masahiro (1518) | Lost 0-2 | -181500 |
| 3block | 415 | Togano, Koichi (1430) | Won 2-0 | +171517 |
| 4block | 158 | Takeiri, Go (1511) | Lost 1-2 | -181499 |
| 5block | 311 | Terada, Akifumi (1499) | Won 2-0 | +181517 |
| 6block | 205 | Arakane, Keisuke (1518) | Lost 0-2 | -181499 |
| top | average opponent: 1496record: 3-3 | new rating: 1499 | ||