Nakajima, Keiichi
Current rating: 1536
Record: 4-2-1
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Katano, Satoshi (1500) | Won 2-0 | +181518 |
| 2sealed | 14 | Nishimaki, Akira (1518) | Draw 1-1 | 01518 |
| 3sealed | 48 | Kimura, Kosuke (1518) | Won 2-0 | +181536 |
| 4sealed | 37 | Anabuki, Kazuhisa (1518) | Lost 0-2 | -181518 |
| 5sealed | 63 | Furujou, Takashi (1518) | Won 2-0 | +181536 |
| 6sealed | 40 | Akamatsu, Yoshiki (1536) | Lost 0-2 | -181518 |
| 7sealed | 61 | Nomura, Masaki (1517) | Won 2-1 | +181536 |
| average opponent: 1518record: 4-2-1 | new rating: 1536 | |||