Ikeda, Takashi
Current rating: 1486
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 85 | Itou, Shuuhei (1500) | Won 2-0 | +181499 |
| 2block | 220 | Ooto, Tadash (1517) | Lost 0-2 | -171482 |
| 3block | 180 | Ono, Masayuki (1500) | Lost 1-2 | -181464 |
| 4block | 329 | Watanabe, Taketoshi (1481) | Won 2-1 | +181482 |
| 5block | 270 | Yasufuku, Akihiro (1521) | Won 2-0 | +191501 |
| 6block | 216 | Osawa, Takuya (1620) | Lost 0-2 | -161485 |
| 7block | 215 | Ishikka, Takehiro (1543) | Won 2-1 | +191504 |
| 8block | 145 | Iwamura, Ryouichi (1517) | Lost 1-2 | -181486 |
| top | average opponent: 1525record: 4-4 | new rating: 1486 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Wada, Atsushi (1498) | Lost 0-2 | -191519 |
| 2sealed | 218 | Nakamura, Kazuo (1482) | Lost 0-2 | -191500 |
| 3sealed | 283 | Sanada, Hirosi (1465) | Won 2-1 | +181518 |
| 4sealed | 233 | Murayama, Terukazu (1524) | Lost 1-2 | -181500 |
| 5sealed | 227 | Oohira, Kenta (1464) | Lost 0-2 | -191481 |
| top | average opponent: 1487record: 1-4 | new rating: 1481 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 144 | Yamamoto, Daisuke (1500) | Won 2-0 | +181518 |
| 2block | 294 | Toochika, Takayuki (1482) | Won 2-1 | +171535 |
| 3block | 125 | Tomihara, Shinsuke (1486) | Won 2-1 | +171552 |
| 4block | 43 | Ishii, Keisuke (1572) | Lost 0-2 | -171535 |
| 5block | 171 | Ota, Koichi (1518) | Won 2-1 | +171552 |
| 6block | 116 | Saito, Tsutomu (1521) | Lost 0-2 | -181534 |
| 7block | 249 | Aoki, Haruchika (1536) | Won 2-1 | +181552 |
| 8block | 125 | Tsukamoto, Toshiki (1650) | Won 2-0 | +201572 |
| 9block | 65 | Hiraoka, Toshiaki (1561) | Won 2-0 | +181590 |
| 10block | 60 | Koura, Masahiro (1627) | Won 2-1 | +181608 |
| 11block | 15 | Iwai, Tsuyoshi (1623) | Draw 1-1 | 01608 |
| 12block | 28 | Mochiduki, Masashi (1590) | Lost 0-2 | -181590 |
| 13block | 40 | Sasakawa, Tomohide (1654) | Lost 0-2 | -171573 |
| 14block | 49 | Miyake, Tetsuya (1603) | Lost 0-2 | -171556 |
| 15block | 49 | Ijuin, Keisuke (1574) | Draw 1-1 | 01556 |
| 16block | 47 | Sakashita, Yuichi (1523) | Lost 0-2 | -181538 |
| top | average opponent: 1564record: 8-6-2 | new rating: 1538 | ||