Kawahara, Makoto
Current rating: 1521
Record: 7-6
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Kimura, Noritsugu (1500) | Lost 0-2 | -181464 |
| 2sealed | 238 | Takeda, Koji(Kanagawa) (1483) | Won 2-1 | +181482 |
| 3sealed | 185 | Muto, Mitsutoshi (1502) | Lost 0-2 | -171465 |
| 4sealed | 272 | Takeuchi, Kazuhiro (1484) | Won 2-1 | +181483 |
| 5sealed | 199 | Konagai, Ryota (1527) | Lost 1-2 | -171466 |
| 6sealed | 192 | Uchida, Kensuke (1485) | Won 2-0 | +181484 |
| 7sealed | 151 | Yoshida, Ryuu (1501) | Won 2-1 | +191503 |
| 8sealed | 34 | Ogaki, Atsushi (1540) | Won 2-0 | +181521 |
| average opponent: 1503record: 5-3 | new rating: 1521 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 442 | Tanaka, Masami (1500) | Won 2-0 | +181518 |
| 2block | 69 | Yamashita, Sho (1517) | Won 2-1 | +181536 |
| 3block | 116 | Morikami, Akira (1536) | Lost 0-2 | -181518 |
| 4block | 253 | Morita, Yuki (1500) | Lost 1-2 | -181500 |
| 5block | 364 | Izumi, Satoru (1499) | Lost 0-2 | -181482 |
| average opponent: 1510record: 2-3 | new rating: 1482 | |||