Ikeda, Kunio
Current rating: 1471
Record: 13-16-1
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 302 | Sawada, Ken (1461) | Lost 1-2 | -181450 |
| 2standard | 238 | Mizuno, Akimitsu (1304) | Won 2-0 | +151465 |
| 3standard | 241 | Nomura, Masahiro (1482) | Won 2-0 | +181483 |
| 4standard | 241 | Kubo, Ryoutarou (1625) | Lost 0-2 | -151468 |
| 5standard | 257 | Fujii, Toshikazu (1488) | Won 2-0 | +181486 |
| 6standard | 140 | Kuroda, Jun'ichirou (1483) | Won 2-1 | +181504 |
| 7standard | 130 | Nakatani, Haruki (1616) | Lost 1-2 | -161488 |
| 8standard | 139 | Chi, Tatsuya (1520) | Lost 0-2 | -171471 |
| top | average opponent: 1497record: 4-4 | new rating: 1471 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Yasukawa, Kazuhide (1563) | Lost 0-2 | -151422 |
| 2sealed | 114 | Kuroda, Ryouhei (1544) | Lost 0-2 | -161406 |
| 3sealed | 164 | Takemoto, Yoshiyasu (1462) | Won 2-1 | +191425 |
| 4sealed | 168 | Hashimoto, Yoshiki (1497) | Won 2-1 | +191444 |
| 5sealed | 134 | Nakashiro, Mizuki (1586) | Won 2-0 | +211465 |
| 6sealed | 89 | Okamoto, Masahiro (1505) | Won 2-1 | +191484 |
| 7sealed | 42 | Nakagawa, Yukihiro (1604) | Lost 0-2 | -161468 |
| top | average opponent: 1537record: 4-3 | new rating: 1468 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Shimizu, Kouichi (1500) | Lost 1-2 | -171412 |
| 2sealed | 113 | Saitou, Masahiro (1482) | Won 2-1 | +201432 |
| 3sealed | 126 | Deguchi, Koya (1502) | Won 2-0 | +191451 |
| 4sealed | 84 | Maruyama, Kentarou (1469) | Lost 1-2 | -181433 |
| 5sealed | 115 | Takebayashi, Tomo (1506) | Won 2-0 | +191452 |
| 6sealed | 72 | Miura, Tadayuki (1437) | Lost 1-2 | -181434 |
| 7sealed | 96 | Hashimoto, Keisuke (1631) | Lost 1-2 | -141420 |
| 8sealed | 100 | Arai, Jin (1404) | Won 2-0 | +171437 |
| top | average opponent: 1491record: 4-4 | new rating: 1437 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Ogawa, Yusuke (1500) | Lost 0-2 | -171447 |
| 2sealed | 272 | Aoki, Masayuki (1409) | Lost 0-2 | -191428 |
| 3sealed | 314 | Yasuda, Takuo (1464) | Draw 1-1 | +11429 |
| top | average opponent: 1457record: 0-2-1 | new rating: 1429 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Kasuga, Nobuhiro (1500) | Lost 1-2 | -181482 |
| 2standard | 256 | Fukushima, Hirotomo (1485) | Lost 1-2 | -181464 |
| 3standard | 376 | Yokoyama, Shinya (1464) | Won 2-0 | +181482 |
| 4standard | 326 | Fukasawa, Taichi (1498) | Lost 0-2 | -181464 |
| top | average opponent: 1487record: 1-3 | new rating: 1464 | ||