Kumoda, Kazuhiro
Current rating: 1556
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 234 | Uchida, Kensuke (1467) | Won 2-0 | +171539 |
| 2block | 82 | Takei, Tomoyuki (1483) | Won 2-0 | +171556 |
| 3block | 30 | Nakano, Fumiki (1572) | Won 2-0 | +191575 |
| 4block | 53 | Kasai, Kouta (1539) | Lost 0-2 | -191556 |
| 5block | 52 | Kito, Takeshi (1527) | Won 2-1 | +171573 |
| 6block | 85 | Ueno, Kazuki (1675) | Won 2-1 | +201593 |
| 7block | 23 | Doi, Asuka (1556) | ID | 01593 |
| 8block | 40 | Shimura, Ichirou (1681) | Lost 1-2 | -161577 |
| 9block | 64 | Ohno, Isao (1550) | Lost 1-2 | -191558 |
| 10block | 100 | Kise, Masato (1670) | Draw 1-1 | +21560 |
| 11block | 107 | Watanabe, Hiroto (1562) | Won 2-1 | +191579 |
| 12block | 84 | Yamamoto, Kouhei (1557) | Lost 0-2 | -191560 |
| 13block | 92 | Arime, Masaaki (1545) | Won 2-0 | +181578 |
| 14block | 73 | Okada, Kou (1626) | Lost 0-2 | -171561 |
| 15block | 68 | Shimizu, Yuuichirou (1469) | Lost 1-2 | -201541 |
| 16block | 65 | Tezuka, Yuuki (1381) | Won 2-1 | +151556 |
| top | average opponent: 1554record: 8-6-2 | new rating: 1556 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Gotoh, Kaoru (1500) | Lost 1-2 | -171465 |
| 2sealed | 203 | Nakanishi, Eiji (1483) | Won 2-0 | +181483 |
| 3sealed | 149 | Kukita, Takenao (1449) | Won 2-0 | +171500 |
| 4sealed | 136 | Sanada, Tatsuhiko (1518) | Won 2-1 | +191519 |
| 5sealed | 69 | Nakamura, Keisuke (1538) | Won 2-1 | +181537 |
| 6sealed | 76 | Fuma, Masaharu (1636) | Won 2-0 | +201557 |
| 7sealed | 13 | Suzuki, Kenta (1629) | Lost 0-2 | -171540 |
| 8sealed | 69 | Ito, Kenji (1557) | Lost 1-2 | -181522 |
| top | average opponent: 1539record: 5-3 | new rating: 1522 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 108 | Yosimori, Katumi (1500) | Won 2-1 | +181518 |
| 2extended | 51 | Itano, Masao (1499) | Lost 0-2 | -181500 |
| 3extended | 125 | Maehata, Yasuhito (1522) | Lost 0-2 | -181482 |
| 4extended | 162 | Kito, Takeshi (1497) | Lost 0-2 | -181464 |
| 5extended | 165 | Kisaka, Yusuke (1498) | Won 2-1 | +191483 |
| 6extended | 133 | Kawahara, Takayuki (1464) | Won 2-0 | +181501 |
| 7extended | 97 | Ishida, Naoyuki (1483) | Lost 1-2 | -191482 |
| top | average opponent: 1495record: 3-4 | new rating: 1482 | ||