Nakajima, Kazumasa
Current rating: 1488
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 66 | Aoki, Shigenori (1517) | Won 2-0 | +191482 |
| 3sealed | 74 | Yamada, Tsutomu (1561) | Draw 1-1 | +11483 |
| 4sealed | 62 | Mitsuya, Kazuhiko (1605) | Lost 0-2 | -161467 |
| 5sealed | 136 | Hirai, Takayuki (1500) | Won 2-0 | +191486 |
| 6sealed | 83 | Takeda, Hiroki (1540) | Draw 1-1 | +11487 |
| 7sealed | 116 | Barltrop, Steve (1488) | Won 2-1 | +181505 |
| 8sealed | 74 | Fujino, Tadashi (1558) | Lost 0-2 | -171488 |
| top | average opponent: 1538record: 3-2-2 | new rating: 1488 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 318 | Yamao, Masakura (1500) | Lost 0-2 | -181480 |
| 3block | 456 | Shimojo, Takuya (1465) | Lost 1-2 | -181462 |
| 4block | 554 | Hirayama, Shigetaka (1482) | Won 2-1 | +181480 |
| 5block | 464 | Nishimura, Norihito (1502) | Lost 1-2 | -171463 |
| top | average opponent: 1487record: 1-3 | new rating: 1463 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 88 | Kouno, Tomohiro (1500) | Won 2-0 | +181518 |
| 2extended | 127 | Yamabe, Kazumi (1518) | Won 2-0 | +181536 |
| 3extended | 118 | Minami, Masashi (1536) | Lost 0-2 | -181518 |
| 4extended | 112 | Ura, Tsuyoshi (1518) | Won 2-1 | +181536 |
| 5extended | 115 | Iwai, Motoki (1501) | Lost 0-2 | -191517 |
| 6extended | 147 | Fuma, Masaharu (1456) | Lost 0-2 | -191498 |
| top | average opponent: 1505record: 3-3 | new rating: 1498 | ||