Matsuo, Yoshinori
Current rating: 1419
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 10 | Nakaya, Makoto (1500) | Won 2-1 | +191468 |
| 2extended | 81 | Kubouchi, Naoki (1595) | Lost 0-2 | -151453 |
| 3extended | 138 | Koide, Kentaro (1499) | Lost 0-2 | -171436 |
| 4extended | 159 | Kuraoka, Shintarou (1482) | Lost 0-2 | -181418 |
| 5extended | 173 | Kamei, Hidenori (1464) | Draw 1-1 | +11419 |
| top | average opponent: 1508record: 1-3-1 | new rating: 1419 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 422 | Furuichi, Takenori (1500) | Lost 0-2 | -171447 |
| 2block | 456 | Yamashita, Kohji (1465) | Won 2-0 | +181465 |
| 3block | 259 | Miyazaki, Kazuyuki (1482) | Won 2-0 | +191484 |
| 4block | 242 | Arita, Ryuichi (1553) | Lost 0-2 | -171467 |
| 5block | 350 | Yamasaki, Mitsunori (1500) | Lost 0-2 | -181449 |
| top | average opponent: 1500record: 2-3 | new rating: 1449 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 29 | Sasaki, Masakuni (1500) | Won 2-1 | +181518 |
| 2extended | 18 | Kena, Tadashi (1518) | Lost 1-2 | -181500 |
| 3extended | 266 | Okada, Yu (1500) | Lost 1-2 | -181482 |
| 4extended | 255 | Tanaka, Tomonori (1517) | Lost 0-2 | -171465 |
| 5extended | 272 | Kawashima, Keisuke (1464) | Lost 0-2 | -181447 |
| 6extended | 259 | Li, Kiyohiro (1446) | Lost 1-2 | -181429 |
| 7extended | 233 | Ishikawa, Kazuyuki (1428) | Won 2-0 | +181447 |
| 8extended | 193 | Wada, Yuta (1430) | Won 2-0 | +171464 |
| top | average opponent: 1475record: 3-5 | new rating: 1464 | ||