Tanaka, Nobuhiko
Current rating: 1459
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 190 | Nakamuro, Masaaki (1511) | Lost 0-2 | -171433 |
| 2sealed | 268 | Ishikawa, Masayo (1484) | Lost 0-2 | -171416 |
| 3sealed | 297 | Noguti, Tokio (1464) | Won 2-0 | +191435 |
| 4sealed | 264 | Kobashi, Motoki (1525) | Won 2-1 | +201455 |
| 5sealed | 175 | Wu, Kasin (1503) | Won 2-0 | +181473 |
| 6sealed | 130 | Urata, Yusuke (1518) | Lost 0-2 | -171456 |
| 7sealed | 139 | Fujino, Satoshi (1500) | Lost 0-2 | -171439 |
| 8sealed | 119 | Nagura, Hiroto (1541) | Won 2-0 | +201459 |
| top | average opponent: 1506record: 4-4 | new rating: 1459 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Takagi, Takashi (1500) | Draw 1-1 | +11465 |
| 2sealed | 194 | Ogawa, Masahiro (1499) | Won 2-0 | +181483 |
| 3sealed | 131 | Kurisu, Takashi (1632) | Lost 0-2 | -151468 |
| 4sealed | 193 | Tanaka, Hidenori (1500) | Lost 0-2 | -171451 |
| 5sealed | 234 | Douno, Takashi (1422) | Draw 1-1 | -11450 |
| top | average opponent: 1511record: 1-2-2 | new rating: 1450 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 294 | Kusuda, Seigo (1500) | Lost 1-2 | -181482 |
| 2block | 445 | Ota, Hayato (1482) | Lost 0-2 | -181464 |
| 3block | 595 | Ochiai, Keiichi (1464) | Won 2-1 | +181482 |
| 4block | 551 | Saiba, Hajime (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1482record: 1-3 | new rating: 1464 | ||