Arai, Yosuke
Current rating: 1512
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 18 | Jin, Shen (1500) | Won 2-0 | +191492 |
| 2pioneer | 74 | Hanesaka, Tetsuya (1537) | Lost 1-2 | -171475 |
| 3pioneer | 625 | Uzinawa, Hidenori (1499) | Lost 0-2 | -181457 |
| 4pioneer | 592 | Sunada, Keisuke (1481) | Won 2-1 | +191476 |
| 5pioneer | 635 | Saitou, Takaya (1392) | Won 2-0 | +161492 |
| 6pioneer | 473 | Saegusa, Nobuyuki (1453) | Won 2-1 | +171509 |
| 7pioneer | 284 | Kimura, Yuu1332 (1410) | Won 2-1 | +161525 |
| 8pioneer | 259 | Hori, Masataka (1787) | Lost 1-2 | -131512 |
| top | average opponent: 1507record: 5-3 | new rating: 1512 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Fujiya, Takahiro (1568) | Lost 0-2 | -171490 |
| 2standard | 477 | Inoue, Kouki (1484) | Won 2-1 | +181508 |
| 3standard | 484 | Noguchi, Takeshi (1463) | Lost 0-2 | -181490 |
| 4standard | 798 | Miyata, Yuuya (1587) | Lost 0-2 | -171473 |
| top | average opponent: 1526record: 1-3 | new rating: 1473 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 395 | Shimizu, Hajime (1596) | Won 2-0 | +201520 |
| 2sealed | 345 | Morioka, Ryota (1540) | Won 2-0 | +181538 |
| 3sealed | 168 | Fukumoto, Hiroaki (1697) | Won 2-1 | +211559 |
| 4sealed | 15 | Hiraoka, Shigenori (1439) | Lost 1-2 | -201539 |
| 5sealed | 300 | Takano, Shota (1689) | Lost 0-2 | -151524 |
| 6sealed | 615 | Uematsu, Tatsuya (1585) | Draw 1-1 | +11525 |
| 7sealed | 495 | Seki, Kazuhiko (1566) | Lost 0-2 | -181507 |
| top | average opponent: 1587record: 3-3-1 | new rating: 1507 | ||