Kubo, Yuta1677
Current rating: 1498
Record: 27-30-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 153 | Yamagishi, Yuki 8956 (1412) | Lost 1-2 | -201497 |
| 3pioneer | 607 | Tanaka, Makoto1460 (1309) | Won 2-1 | +141511 |
| 4pioneer | 410 | Lam, Francis (1795) | Lost 0-2 | -131498 |
| 5pioneer | 535 | Yamada, Yoshitaka (1455) | Won 2-0 | +171515 |
| 6pioneer | 463 | Sakai, Yasumasa (1353) | Won 2-0 | +161531 |
| 7pioneer | 200 | Inazawa, Ryo (1504) | Lost 1-2 | -191512 |
| 8pioneer | 332 | Hitomi, Masaaki (1758) | Lost 0-2 | -141498 |
| top | average opponent: 1512record: 3-4 | new rating: 1498 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 27 | Chua, Rodger (1378) | Lost 0-2 | -201474 |
| 3sealed | 236 | Chenhsien, Lin (1505) | Lost 1-2 | -171457 |
| 4sealed | 313 | Zhong, Weian (1526) | Won 2-0 | +191476 |
| 5sealed | 269 | Theerachotsupakul, Phuwadach (1437) | Won 2-0 | +171493 |
| 6sealed | 193 | Praditbatuka, Worawit (1650) | Won 2-0 | +211514 |
| 7sealed | 104 | Chiang, Lo (1552) | Won 2-1 | +191533 |
| 8sealed | 101 | Seah, Danny (1617) | Lost 1-2 | -161517 |
| top | average opponent: 1524record: 4-3 | new rating: 1517 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 155 | Lakeman, Tristan (1473) | Won 2-1 | +181504 |
| 3modern | 187 | Maenosono, Kenta (1610) | Lost 1-2 | -161488 |
| 4modern | 564 | Juumonji, Ryou (1731) | Draw 1-1 | +41492 |
| 5modern | 537 | Ito, Tatsuya (1514) | Won 2-1 | +191511 |
| 6modern | 348 | Vagnemark, Karl (1539) | Lost 1-2 | -181493 |
| 7modern | 532 | Nakanishi, Masatomo (1518) | Won 2-0 | +191512 |
| 8modern | 369 | Sakakura, Katsuya (1554) | Lost 0-2 | -181494 |
| top | average opponent: 1563record: 3-3-1 | new rating: 1494 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 121 | Oohara, Yuuichi (1521) | Won 2-0 | +191519 |
| 3standard | 310 | Matsui, Yasuo (1609) | Lost 1-2 | -171502 |
| 4standard | 662 | Noto, Kohei (1496) | Won 2-0 | +181520 |
| 5standard | 456 | Maeda, Takuma (1529) | Won 2-1 | +181538 |
| 6standard | 208 | Tei, Shinri (1638) | Lost 0-2 | -161522 |
| 7standard | 241 | Kaneko, Hikaru (1542) | Lost 0-2 | -171505 |
| 8standard | 405 | Sanchez, Antonio (1490) | Lost 1-2 | -191486 |
| top | average opponent: 1546record: 3-4 | new rating: 1486 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 34 | Mizuguchi, Kiyoshi (1586) | Lost 1-2 | -161464 |
| 3legacy | 307 | Harita, Naoki (1553) | Won 2-1 | +201484 |
| 4legacy | 352 | Satou, Fumihiko (1645) | Won 2-1 | +211505 |
| 5legacy | 180 | Uzuki, Yushi (1520) | Lost 1-2 | -181487 |
| 6legacy | 201 | Ogawa, Masaru (1526) | Won 2-0 | +191506 |
| 7legacy | 127 | Mio, Ryutaro (1564) | Won 2-0 | +191525 |
| 8legacy | 149 | Higashino, Shogo (1350) | Won 2-0 | +151540 |
| 9legacy | 52 | Suzuike, Fumiyasu (1838) | Won 2-0 | +231563 |
| 10legacy | 33 | Shoji, Keishi (1620) | Lost 0-2 | -171546 |
| 11legacy | 57 | Seo, Noboru (1598) | Won 2-0 | +191565 |
| 12legacy | 70 | Lu, Pengjie (1764) | Lost 1-2 | -141551 |
| 13legacy | 78 | Miyamoto, Yohei (1683) | Lost 0-2 | -161535 |
| 14legacy | 84 | Yako, Ryuichi (1615) | Lost 0-2 | -171518 |
| 15legacy | 83 | Morishima, Ryouta (1516) | Lost 0-2 | -181500 |
| top | average opponent: 1598record: 7-7 | new rating: 1500 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 11 | Deguchi, Keizou (1551) | Lost 1-2 | -161434 |
| 3sealed | 909 | Kawabata, Hajime (1428) | Won 2-0 | +181452 |
| 4sealed | 548 | Maruyama, Shouta0563 (1484) | Lost 0-2 | -181434 |
| 5sealed | 605 | Tsunoda, Satoshi (1379) | Won 2-0 | +171451 |
| 6sealed | 701 | Kurata, Shintaro (1775) | Lost 1-2 | -121439 |
| 7sealed | 566 | Ota, Masahito (1460) | Won 2-0 | +191458 |
| 8sealed | 441 | Goshima, Akito (1728) | Won 2-0 | +221480 |
| top | average opponent: 1544record: 4-3 | new rating: 1480 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 457 | Kamo, Riki (1619) | Lost 1-2 | -151467 |
| 4sealed | 337 | Kawanishi, Naoki (1501) | Lost 1-2 | -181449 |
| 5sealed | 637 | Oono, Koutarou (1461) | Won 2-1 | +181467 |
| 6sealed | 596 | Hosokawa, Soichiro (1503) | Lost 0-2 | -171450 |
| top | average opponent: 1521record: 1-3 | new rating: 1450 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 700 | Nakanishi, Hiroki (1500) | Lost 1-2 | -181482 |
| 2standard | 754 | Sei, Makoto (1482) | Lost 0-2 | -181464 |
| 3standard | 922 | Tanaka, Koichiro (1451) | Won 2-0 | +181482 |
| 4standard | 895 | Nakajima, Kenichirou (1475) | Won 2-0 | +181500 |
| 5standard | 837 | Murata, Atsushi (1527) | Lost 1-2 | -181482 |
| top | average opponent: 1487record: 2-3 | new rating: 1482 | ||