Matsumoto, Hiroshi
Current rating: 1550
Record: 13-11-1
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Inoue, Masanao (1555) | Won 2-0 | +181565 |
| 2sealed | 55 | Juumonji, Ryou (1679) | Lost 0-2 | -161549 |
| 3sealed | 85 | Miyazaki, Shouta (1499) | Won 2-0 | +171566 |
| 4sealed | 149 | Shirakura, Tsuyoshi (1553) | Won 2-0 | +181584 |
| 5sealed | 64 | Ishimaru, Ken (1705) | Lost 1-2 | -161568 |
| 6sealed | 146 | Koshiba, Norihiko (1519) | Lost 1-2 | -181550 |
| top | average opponent: 1585record: 3-3 | new rating: 1550 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 12 | Seino, Satoshi (1518) | Lost 1-2 | -191552 |
| 3sealed | 243 | Suzuki, Hiroumi (1523) | Won 2-1 | +171569 |
| 4sealed | 155 | Mochizuki, Takayuki (1517) | Won 2-0 | +171586 |
| 5sealed | 142 | Matsushima, Yuuya (1476) | Lost 1-2 | -201566 |
| 6sealed | 100 | Sakai, Yuuto (1508) | Lost 0-2 | -191547 |
| top | average opponent: 1508record: 2-3 | new rating: 1547 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 197 | Katsumata, Yuuma (1500) | Won 2-1 | +181538 |
| 2sealed | 109 | Yazaki, Hirotaka (1519) | Won 2-0 | +181556 |
| 3sealed | 17 | Niwa, Kohei (1582) | Won 2-1 | +181574 |
| 4sealed | 52 | Shiki, Kazumasa (1728) | Lost 0-2 | -151559 |
| 5sealed | 78 | Momose, Kazuyuki (1785) | Won 2-1 | +221581 |
| 6sealed | 24 | Oota, Hirotaka (1641) | Won 2-1 | +191600 |
| 7sealed | 31 | Fujita, Osamu (1891) | Lost 1-2 | -131587 |
| 8sealed | 42 | Hayashi, Shinsuke (1662) | Lost 1-2 | -161571 |
| top | average opponent: 1663record: 5-3 | new rating: 1571 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Tsutsubuchi, Yasuaki (1500) | Won 2-1 | +181518 |
| 2sealed | 66 | Taya, Hiroyuki (1517) | Lost 1-2 | -181500 |
| 3sealed | 227 | Nomura, Yoshiyuki (1501) | Draw 1-1 | 01500 |
| 4sealed | 185 | Kikuchi, Yuuji (1531) | Won 2-1 | +191519 |
| 5sealed | 122 | Sugahara, Hideyuki (1518) | Won 2-0 | +181537 |
| 6sealed | 82 | Takasaki, Yuichi (1643) | Lost 0-2 | -171520 |
| top | average opponent: 1535record: 3-2-1 | new rating: 1520 | ||