Arai, Yuma
Current rating: 1490
| Grand Prix Chiba 2016 (legacy) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 723 | Satou, Ryota (1565) | Lost 0-2 | -151385 |
| 2legacy | 758 | Katou, Taiju (1473) | Won 2-0 | +201405 |
| 3legacy | 714 | Oyama, Takumi (1471) | Won 2-1 | +191424 |
| 4legacy | 774 | Abe, Mitsuo (1519) | Won 2-1 | +201444 |
| 5legacy | 375 | Toriumi, Takashi (1368) | Lost 0-2 | -201424 |
| 6legacy | 595 | Ichitaka, Daichi (1501) | Lost 0-2 | -161408 |
| 7legacy | 811 | Hagiya, Kouki (1501) | Won 2-1 | +191427 |
| 8legacy | 546 | Yamashita, Yohei (1566) | Won 2-1 | +211448 |
| 9legacy | 312 | Tsuchiya, Yoshihiro (1331) | Won 2-1 | +161464 |
| 10legacy | 301 | Niwa, Toshiharu (1569) | Won 2-1 | +201484 |
| 11legacy | 205 | Kamimura, Yohei (1525) | Won 2-1 | +181502 |
| 12legacy | 172 | Tamura, Ryo (1824) | Lost 1-2 | -121490 |
| top | average opponent: 1518record: 8-4 | new rating: 1490 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 799 | Tsuda, Seiya (1504) | Lost 0-2 | -171434 |
| 2standard | 853 | Isurugi, Hideyuki (1492) | Lost 0-2 | -171417 |
| 3standard | 1089 | Aoi, Masashi (1461) | Lost 0-2 | -171400 |
| top | average opponent: 1486record: 0-3 | new rating: 1400 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 804 | Ochiai, Kazuo (1500) | Lost 0-2 | -181482 |
| 2legacy | 828 | Watanabe, Yuuta (1482) | Won 2-1 | +181500 |
| 3legacy | 749 | Kakiki, Ayumu (1482) | Won 2-0 | +171517 |
| 4legacy | 635 | Takenaga, Tomohiro (1631) | Lost 0-2 | -161501 |
| 5legacy | 808 | Oosawa, Yuki (1482) | Won 2-1 | +181519 |
| 6legacy | 780 | Samson, Kurt (1569) | Lost 0-2 | -171502 |
| 7legacy | 774 | Yamamoto, Tessei (1497) | Lost 0-2 | -181484 |
| 8legacy | 738 | Sugimoto, Hiroaki (1633) | Lost 0-2 | -151469 |
| 9legacy | 728 | Kumagai, Hitoshi (1498) | Lost 1-2 | -181451 |
| top | average opponent: 1531record: 3-6 | new rating: 1451 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 896 | Maehara, Kouichi (1500) | Lost 0-2 | -181482 |
| 2modern | 1141 | Nakao, Tatsuo (1482) | Lost 0-2 | -181464 |
| 3modern | 1187 | Yoshikawa, Takeo (1482) | Lost 0-2 | -181446 |
| 4modern | 1218 | Maeda, Kotaro (1461) | Won 2-0 | +191465 |
| 5modern | 1129 | Nishimura, Shuji (1414) | Won 2-0 | +171482 |
| 6modern | 1038 | Osa, Tomoki (1488) | Lost 0-2 | -181464 |
| 7modern | 1032 | Hashimoto, Ryoya (1466) | Won 2-0 | +181482 |
| 8modern | 951 | Koba, Kenichiro (1476) | Won 2-1 | +181500 |
| top | average opponent: 1471record: 4-4 | new rating: 1500 | ||