Wakamatu, Sigeki
Current rating: 1519
Record: 4-3
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Tanahashi, Masayasu (1522) | Won 2-0 | +181518 |
| 2sealed | 41 | Harita, Masaru (1546) | Won 2-0 | +191537 |
| 3sealed | 27 | Kashiwa, Toshihiro (1535) | Lost 1-2 | -181519 |
| 4sealed | 129 | Maemondo, Shun (1516) | Lost 0-2 | -181501 |
| 5sealed | 118 | Saito, Takaya (1499) | Won 2-1 | +181519 |
| 6sealed | 97 | Takeuchi, Hidehito (1526) | Won 2-1 | +181537 |
| 7sealed | 83 | Nishiwaki, Yousuke (1536) | Lost 1-2 | -181519 |
| average opponent: 1526record: 4-3 | new rating: 1519 | |||