Oota, Tatsuro
Current rating: 1497
Record: 4-4
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 83 | Toshimi, Hirokazu (1500) | Lost 0-2 | -181482 |
| 2block | 249 | Noshiro, Kazuya (1482) | Lost 1-2 | -181464 |
| 3block | 370 | Gunji, Toshiyuki (1463) | Lost 0-2 | -181446 |
| 4block | 372 | Ishikawa, Ryota (1412) | Lost 0-2 | -191427 |
| 5block | 365 | Okamoto, Nanato (1431) | Won 2-0 | +181445 |
| 6block | 318 | Kamei, Toru (1365) | Won 2-0 | +171462 |
| 7block | 287 | Kikuchi, Tatsuya (1467) | Won 2-1 | +181480 |
| 8block | 233 | Kim, Sung-Mook (1435) | Won 2-0 | +171497 |
| average opponent: 1444record: 4-4 | new rating: 1497 | |||