Ota, Tetsuro
Current rating: 1529
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Harita, Masaru (1527) | Lost 1-2 | -171471 |
| 2sealed | 214 | Bando, Tomoyuki (1484) | Won 2-1 | +181489 |
| 3sealed | 221 | Nakashima, Toshihiko (1471) | Won 2-1 | +181507 |
| 4sealed | 106 | Kurakami, Shun (1534) | Lost 1-2 | -181489 |
| 5sealed | 168 | Yoshida, Tomoyuki (1501) | Won 2-1 | +181507 |
| 6sealed | 130 | Saitou, Yuu (1524) | Won 2-0 | +191526 |
| 7sealed | 68 | Ito, Mizuki (1537) | Won 2-1 | +181544 |
| 8sealed | 39 | Tachibana, Satoshi (1740) | Lost 0-2 | -151529 |
| top | average opponent: 1540record: 5-3 | new rating: 1529 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Ueno, Mitsuru (1509) | Won 2-0 | +181521 |
| 2sealed | 25 | Kiyota, Ken (1518) | Lost 0-2 | -181503 |
| 3sealed | 215 | Hirosawa, Yuuta (1648) | Lost 1-2 | -151488 |
| top | average opponent: 1558record: 1-2 | new rating: 1488 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 75 | Tsuji, Hiroyuki (1500) | Won 2-0 | +181518 |
| 2block | 54 | Nagano, Takayuki (1517) | Won 2-0 | +181536 |
| 3block | 48 | Osawa, Takuya (1572) | Won 2-1 | +191555 |
| 4block | 36 | Nakamura, Satoshi (1626) | Lost 0-2 | -171538 |
| 5block | 43 | Tani, Hiroaki (1628) | Lost 1-2 | -161522 |
| 6block | 114 | Hisaki, Yuu (1523) | Won 2-0 | +181540 |
| 7block | 65 | Nakagawa, Kohei (1519) | Lost 0-2 | -191521 |
| 8block | 41 | Onodera, Tatsuya (1519) | Lost 0-2 | -181503 |
| top | average opponent: 1550record: 4-4 | new rating: 1503 | ||