Nakatsuka, Naoki
Current rating: 1461
Record: 5-7
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 333 | Hagiwara, Shiho (1500) | Won 2-0 | +181518 |
| 2block | 316 | Nakamura, Tomoya (1446) | Lost 1-2 | -191499 |
| 3block | 419 | Makihara, Takuya (1499) | Won 2-0 | +181517 |
| 4block | 311 | Sakuma, Toshimitsu (1520) | Won 2-0 | +181535 |
| 5block | 108 | Shibata, Yuki (1518) | Lost 1-2 | -191516 |
| 6block | 323 | Kamei, Kazuhiko (1464) | Lost 0-2 | -191497 |
| 7block | 325 | Sakanaga, Isamu (1500) | Lost 0-2 | -181479 |
| 8block | 286 | Fukuda, Hideo (1481) | Lost 0-2 | -181461 |
| average opponent: 1491record: 3-5 | new rating: 1461 | |||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Noguchi, Masami (1500) | Won 2-0 | +181518 |
| 2sealed | 88 | Rikuno, Keito (1482) | Won 2-1 | +171535 |
| 3sealed | 21 | Kubouchi, Naoki (1563) | Lost 1-2 | -171518 |
| 4sealed | 50 | Furujou, Takashi (1517) | Lost 0-2 | -181500 |
| average opponent: 1516record: 2-2 | new rating: 1500 | |||