Arai, Tomoya
Current rating: 1421
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 627 | Naruke, Ryousuke (1500) | Won 2-0 | +191490 |
| 2sealed | 738 | Oh, Asato (1527) | Lost 1-2 | -171473 |
| 3sealed | 906 | Hongo, Hiroki (1504) | Lost 1-2 | -181455 |
| 4sealed | 1039 | Ohasi, Masaki (1481) | Lost 1-2 | -171438 |
| 5sealed | 1038 | Chiba, Taiji (1499) | Lost 0-2 | -171421 |
| top | average opponent: 1502record: 1-4 | new rating: 1421 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 27 | Ishikawa, Masayo (1538) | Lost 0-2 | -161447 |
| 2block | 312 | Tanabe, Kazuya (1411) | Won 2-0 | +171464 |
| 3block | 273 | Katayose, Shingo (1500) | Won 1-0 | +191483 |
| 4block | 105 | Yamanishi, Mamoru (1623) | Lost 1-2 | -161467 |
| 5block | 196 | Furukawa, Hiroki (1498) | Won 2-1 | +191486 |
| 6block | 197 | Taniguchi, Tomoya (1547) | Lost 1-2 | -171469 |
| 7block | 251 | Anan, Go (1574) | Lost 1-2 | -161453 |
| 8block | 213 | Ichikawa, Hitoshi (1482) | Won 2-0 | +181471 |
| top | average opponent: 1522record: 4-4 | new rating: 1471 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Aoki, Yousaku (1506) | Lost 0-2 | -181482 |
| 2sealed | 240 | Tamai, Katsuyoshi (1464) | Lost 0-2 | -181464 |
| 3sealed | 281 | Kawashima, Kazuya (1440) | Won 2-0 | +171481 |
| 4sealed | 222 | Kohata, Kengo (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1473record: 1-3 | new rating: 1463 | ||