Arai, Daisuke
Current rating: 1527
Record: 7-6
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Hosomi, Kyouhei (1500) | Won 2-0 | +191483 |
| 2standard | 175 | Kondou, Masayoshi (1496) | Won 2-1 | +181501 |
| 3standard | 182 | Naitou, Keisuke (1666) | Won 2-1 | +211522 |
| 4standard | 174 | Yu, Ching Kong (1516) | Won 2-0 | +181540 |
| 5standard | 7 | Sakai, Toshinori (1572) | Won 2-0 | +181558 |
| 6standard | 52 | Oohashi, Toshiya (1677) | Lost 1-2 | -161542 |
| 7standard | 34 | Takao, Shota (1768) | Lost 1-2 | -141528 |
| 8standard | 139 | Akimoto, Shinichi (1516) | Won 2-1 | +181546 |
| 9standard | 167 | Nakamura, Kousuke (1477) | Lost 1-2 | -191527 |
| average opponent: 1576record: 6-3 | new rating: 1527 | |||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 28 | Miura, Hiroki (1471) | Won 2-0 | +171517 |
| 2modern | 310 | Suzuki, Seiya (1517) | Lost 1-2 | -181499 |
| 3modern | 299 | Matsumura, Toshikazu (1515) | Lost 1-2 | -171482 |
| 4modern | 644 | Kanayama, Haruki (1490) | Lost 1-2 | -181464 |
| average opponent: 1498record: 1-3 | new rating: 1464 | |||