Tanaka, Kazuyuki
Current rating: 1568
Record: 11-7-1
| Grand Prix Okayama 2004 (extended) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 13 | Matsui, Hisataka (1563) | Lost 0-2 | -181574 |
| 3extended | 93 | Miyake, Tsubasa (1500) | Won 2-1 | +161590 |
| 4extended | 120 | Kaji, Tetsuya (1593) | Won 2-0 | +181608 |
| 5extended | 38 | Chogyoji, Tetsuya (1540) | Lost 1-2 | -191589 |
| 6extended | 85 | Nakagawa, Koichi (1392) | Lost 0-2 | -211568 |
| average opponent: 1517record: 2-3 | new rating: 1568 | |||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 88 | Hirata, Masaharu (1535) | Won 2-0 | +191519 |
| 2extended | 72 | Endo, Kenji (1501) | Won 2-1 | +171536 |
| 3extended | 54 | Ito, Yuichi (1485) | Draw 1-1 | -11535 |
| 4extended | 52 | Matsuoka, Tomohide (1580) | Won 2-1 | +191554 |
| 5extended | 29 | Sakamoto, Masaaki (1545) | Won 2-0 | +181572 |
| 6extended | 14 | Tsai, Homg-Gi (1537) | Won 2-0 | +171589 |
| 7extended | 8 | Morita, Masahiko (1800) | Lost 0-2 | -141575 |
| 8extended | 24 | Ohta, Shinji (1474) | Won 2-1 | +161591 |
| 9extended | 13 | Ohnishi, Koji (1536) | Won 2-0 | +171608 |
| 10extended | 8 | Hirosawa, Yuuta (1692) | Lost 0-2 | -161592 |
| 11extended | 12 | Kato, Kazuki (1669) | Won 2-1 | +191611 |
| 12extended | 10 | Jisang, Kang (1523) | Lost 0-2 | -191592 |
| 13extended | 14 | Takahashi, Kenji (1601) | Won 2-1 | +181610 |
| 14extended | 10 | Ueno, Kazuki (1632) | Lost 1-2 | -181592 |
| average opponent: 1579record: 9-4-1 | new rating: 1592 | |||