Ishimatsu, Takahiro
Current rating: 1522
Record: 6-5
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 25 | Takemasa, Iwao (1437) | Lost 1-2 | -191481 |
| 4sealed | 69 | Yokoyama, Shigehisa (1595) | Won 2-1 | +201501 |
| 5sealed | 74 | Nakamura, Kiyonari (1505) | Lost 1-2 | -181483 |
| 6sealed | 81 | Mitsutake, Atsushi (1517) | Won 2-0 | +191502 |
| 7sealed | 62 | Kobayashi, Masanori (1630) | Won 2-0 | +201522 |
| average opponent: 1537record: 3-2 | new rating: 1522 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 66 | Seto, Keisuke (1536) | Won 2-1 | +191519 |
| 4extended | 32 | Watanabe, Hiroto (1513) | Won 2-0 | +181537 |
| 5extended | 2 | Yamazoe, Makoto (1505) | Lost 0-2 | -191518 |
| 6extended | 56 | Shimobayashi, Yuta (1501) | Won 2-0 | +181536 |
| 7extended | 15 | Tashita, Takafumi (1557) | Lost 0-2 | -181518 |
| 8extended | 82 | Sasaki, Yusuke (Tokyo) (1524) | Lost 1-2 | -181500 |
| average opponent: 1523record: 3-3 | new rating: 1500 | |||