Arai, Yusuke
Current rating: 1775 (#2934)
Record: 40-23
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1723 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 443 | Tanaka, Yuki 5879 (1500) | Won 2-1 | +141737 |
| 2sealed | 472 | Yi, Sanghee (1676) | Won 2-1 | +171754 |
| 3sealed | 237 | Kagami, Hajime (1664) | Won 2-1 | +171771 |
| 4sealed | 23 | Gotou, Hiroaki (1661) | Won 2-0 | +161787 |
| 5sealed | 127 | Kiriake, Sho (1581) | Won 2-0 | +141801 |
| 6sealed | 58 | Soga, Junya (1750) | Lost 0-2 | -191782 |
| 7sealed | 121 | Takahashi, Eiji (1723) | Won 2-0 | +171799 |
| 8sealed | 43 | Oshima, Keisuke (1726) | Won 2-1 | +171816 |
| 9sealed | 25 | Yasooka, Shota (1995) | Lost 0-2 | -151801 |
| 10draft | 217 | Hiroi, Genki (1712) | Won 2-1 | +161817 |
| 11draft | 66 | Zhang, Yi 1971 (1627) | Won 2-1 | +151832 |
| 12draft | 182 | Nobukiyo, Yasuaki (1615) | Lost 0-2 | -221810 |
| 13draft | 64 | Kitayama, Masaya (1877) | Lost 1-2 | -171793 |
| 14draft | 127 | Kawaguchi, Tetsu (1776) | Lost 1-2 | -181775 |
| top | average opponent: 1706record: 9-5 | new rating: 1775 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1707 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 29 | Nukita, Yosuke (1774) | Won 2-1 | +201727 |
| 4sealed | 39 | Huang, Jinghao (1514) | Won 2-0 | +141741 |
| 5sealed | 17 | Hayashi, Shinsuke (1869) | Won 2-0 | +201761 |
| 6sealed | 28 | Naraya, Takaaki (1783) | Won 2-0 | +191780 |
| 7sealed | 34 | Tamura, Satoshi (1572) | Won 2-1 | +141794 |
| 8sealed | 13 | Yan, Gan (1999) | Won 2-1 | +221816 |
| 9sealed | 6 | Sasaki, Yusuke 4501 (1701) | Won 2-0 | +151831 |
| 10draft | 743 | Shimamura, Kazushige (1567) | Lost 0-2 | -221809 |
| 11draft | 716 | Takimura, Kazuyuki (2117) | Lost 0-2 | -131796 |
| 12draft | 644 | Takahashi, Jun (1840) | Lost 1-2 | -171779 |
| 13draft | 656 | Kusunoki, Yuki (1738) | Lost 1-2 | -191760 |
| 14draft | 711 | Wang, Kunrui (1600) | Lost 1-2 | -211739 |
| 15draft | 558 | Fujimura, Kazuaki (1853) | Lost 0-2 | -161723 |
| top | average opponent: 1763record: 7-6 | new rating: 1723 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1726 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 41 | Moriyama, Yuu (1675) | Lost 0-2 | -191707 |
| top | record: 0-1 | new rating: 1707 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 542 | Omura, Hajime (1503) | Won 2-1 | +161632 |
| 4legacy | 241 | Akaiwa, Taku (1582) | Won 2-1 | +171649 |
| 5legacy | 16 | Toshikawa, Kento (1657) | Won 2-0 | +181667 |
| 6legacy | 4 | Ueda, Kazuki (1624) | Won 2-1 | +171684 |
| 7legacy | 1 | Hayakawa, Sho (1663) | Won 2-0 | +181702 |
| 8legacy | 4 | Takahashi, Ryo 3906 (1661) | Lost 0-2 | -191683 |
| 9legacy | 24 | Munekata, Yuuki (1724) | Won 2-1 | +191702 |
| 10legacy | 15 | Satou, Fumihiko (1483) | Lost 1-2 | -221680 |
| 11legacy | 57 | Hirano, Satohiro (1537) | Won 2-0 | +151695 |
| 12legacy | 35 | Tsuchiya, Hiroki (1757) | Lost 1-2 | -171678 |
| 13legacy | 42 | Uchida, Seiya (1606) | Won 2-0 | +171695 |
| 14legacy | 49 | Ohtsu, Minami (1593) | Won 2-1 | +161711 |
| 15legacy | 20 | Iwasaki, Koichi (1562) | Won 2-0 | +151726 |
| top | average opponent: 1612record: 10-3 | new rating: 1726 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 744 | Parrott, Brock (1500) | Lost 1-2 | -171463 |
| 2standard | 726 | Satou, Kenichi (1427) | Won 2-0 | +171480 |
| 3standard | 784 | Matsumura, Takehiko (1410) | Won 2-0 | +171497 |
| 4standard | 676 | Ueki, Junichi (1436) | Won 2-0 | +171514 |
| 5standard | 609 | Ambrose, Keith (1508) | Won 2-1 | +171531 |
| 6standard | 564 | Murase, Hiroshi (1816) | Won 2-0 | +231554 |
| 7standard | 515 | Shiozu, Ryouma (1730) | Won 2-0 | +221576 |
| 8standard | 523 | Shibata, Daisuke (1511) | Won 2-0 | +161592 |
| 9standard | 620 | Ozawa, Tetsuya (1662) | Won 2-0 | +201612 |
| 10standard | 15 | Nakamura, Hajime (1786) | Won 2-0 | +211633 |
| 11standard | 12 | Fujimura, Kazuaki (1560) | Lost 0-2 | -191614 |
| 12standard | 27 | Uzawa, Yuichi (1640) | Won 2-1 | +181632 |
| 13standard | 6 | Sato, Keisuke (1595) | Lost 1-2 | -191613 |
| 14standard | 21 | Okuma, Naoki (1660) | Won 2-1 | +191632 |
| 15standard | 21 | Cho, Kou (1708) | Lost 0-2 | -161616 |
| top | average opponent: 1597record: 11-4 | new rating: 1616 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 295 | Yamamoto, Yuta (1554) | Won 2-1 | +191519 |
| 2sealed | 68 | Shimomachi, Kentaro (1518) | Won 2-1 | +181537 |
| 3sealed | 22 | Saiki, Keisuke (1505) | Lost 0-2 | -191518 |
| 4sealed | 151 | Son, Kii (1525) | Lost 0-2 | -171501 |
| 5sealed | 373 | Hayashi, Junki (1521) | Lost 1-2 | -181483 |
| 6sealed | 350 | Benison, Brian (1379) | Lost 1-2 | -201463 |
| 7sealed | 276 | Schwenk, Ryan (1418) | Won 2-0 | +171480 |
| top | average opponent: 1489record: 3-4 | new rating: 1480 | ||