Ikeda, Kaoru
Current rating: 1491
Record: 8-9-1
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 523 | Takehana, Yuki (1583) | Won 2-1 | +201509 |
| 2legacy | 522 | Inoue, Shunta (1518) | Lost 0-2 | -181491 |
| top | average opponent: 1551record: 1-1 | new rating: 1491 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 163 | Y., Shintarou (1500) | Lost 1-2 | -191526 |
| 2extended | 203 | Urata, Takurou (1521) | Lost 0-2 | -181508 |
| 3extended | 299 | Shintani, Kouhei (1464) | Lost 0-2 | -191489 |
| top | average opponent: 1495record: 0-3 | new rating: 1489 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Okada, Yoshikazu (1500) | Won 2-1 | +171527 |
| 2sealed | 74 | Ishida, Ryuichiro (1463) | Draw 1-1 | -11526 |
| 3sealed | 104 | Arakawa, Tatsuya (1502) | Won 2-1 | +181544 |
| 4sealed | 89 | Sekine, Naoto (1522) | Won 2-0 | +171561 |
| 5sealed | 44 | Yamada, Tsutomu (1467) | Won 2-0 | +171578 |
| 6sealed | 22 | Nakamura, Hajime (1666) | Lost 0-2 | -171561 |
| 7sealed | 59 | Shingai, Sara (1650) | Lost 0-2 | -161545 |
| top | average opponent: 1538record: 4-2-1 | new rating: 1545 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Hanyu, Yusuke (1484) | Won 2-0 | +181518 |
| 2sealed | 82 | Chijimi, Keiichi (1687) | Lost 0-2 | -151503 |
| 3sealed | 73 | Nomura, Eiji (1700) | Lost 0-2 | -151488 |
| 4sealed | 120 | Kimura, Tomoyuki (1483) | Won 2-0 | +181506 |
| 5sealed | 123 | Kuniyoshi, Yasuhiro (1527) | Won 2-0 | +191525 |
| 6sealed | 67 | Taru, Genki (1694) | Lost 0-2 | -151510 |
| top | average opponent: 1596record: 3-3 | new rating: 1510 | ||