Arai, Tomoki
Current rating: 1493
| Grand Prix Yokohama 2019 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 225 | Iwanaga, Kohei (1369) | Won 2-0 | +161466 |
| 2modern | 80 | Suzuki, Yuta 8270 (1482) | Lost 0-2 | -171449 |
| 3modern | 682 | Demura, Mitsuhiro (1347) | Won 2-1 | +161465 |
| 4modern | 514 | Imai, Kenta (1607) | Won 2-0 | +201485 |
| 5modern | 185 | Kawakami, Takehito (1847) | Lost 0-2 | -111474 |
| 6modern | 617 | Sugaya, Yuta (1469) | Won 2-0 | +181492 |
| 7modern | 359 | Yokumichi, Jun (1515) | Won 2-1 | +181510 |
| 8modern | 332 | Suzuki, Kazuto (1563) | Lost 1-2 | -171493 |
| top | average opponent: 1525record: 5-3 | new rating: 1493 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 130 | Fujiwara, Ryoji (1561) | Won 2-0 | +191501 |
| 2legacy | 52 | Birmingham, Bobby (1654) | Lost 0-2 | -151486 |
| 3legacy | 369 | Soejima, Yuichi (1566) | Lost 0-2 | -161470 |
| 4legacy | 524 | Takada, Hiroki (1571) | Lost 0-2 | -161454 |
| 5legacy | 548 | Nakamura, Taro (1295) | Won 2-0 | +151469 |
| 6legacy | 493 | Yamane, Naoto (1544) | Won 2-0 | +191488 |
| 7legacy | 408 | Horikawa, Hideaki (1499) | Lost 1-2 | -181470 |
| 8legacy | 408 | Tanaka, Tomonori (1340) | Lost 0-2 | -201450 |
| top | average opponent: 1504record: 3-5 | new rating: 1450 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 434 | Hasegawa, Kei (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||