Kubozono, Yuta
Current rating: 1444
Record: 15-21
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 226 | Akase, Yosuke (1309) | Won 2-0 | +161453 |
| 2standard | 101 | Inuma, Akira (1518) | Won 2-0 | +191472 |
| 3standard | 15 | Kurita, Yudai (1567) | Lost 1-2 | -161456 |
| 4standard | 508 | Ichino, Takahito (1611) | Lost 1-2 | -161440 |
| 5standard | 488 | Terai, Tadayuki (1861) | Lost 0-2 | -101430 |
| 6standard | 736 | Nakamura, Kota (1341) | Won 2-1 | +161446 |
| 7standard | 498 | Kitajima, Hiroyasu (1423) | Lost 0-2 | -181428 |
| 8standard | 498 | Watanabe, Masao (1328) | Won 2-1 | +161444 |
| top | average opponent: 1495record: 4-4 | new rating: 1444 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 285 | Kim, Seok Hyun (1432) | Won 2-1 | +181442 |
| 2legacy | 302 | Yamashita, Taiki (1513) | Lost 0-2 | -171425 |
| 3legacy | 496 | Tejido Camunas, Agustin (1428) | Won 2-0 | +181443 |
| 4legacy | 189 | Justin Andrew, Lawrence Rigor (1520) | Lost 0-2 | -161427 |
| 5legacy | 441 | Okumura, Yuji (1825) | Won 2-0 | +241451 |
| 6legacy | 276 | Konda, Tsuyoshi (1539) | Lost 0-2 | -161435 |
| 7legacy | 352 | Sohi, JP (1517) | Lost 1-2 | -171418 |
| 8legacy | 340 | Yoshimura, Wataru (1443) | Won 2-0 | +191437 |
| top | average opponent: 1527record: 4-4 | new rating: 1437 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 351 | Ishii, Taiyo (1522) | Lost 1-2 | -171428 |
| 4sealed | 470 | Yamamoto, Shohei (1705) | Lost 1-2 | -131415 |
| 5sealed | 802 | Nakamura, Kota (1408) | Won 2-0 | +181433 |
| 6sealed | 419 | Doumoto, Satoru (1519) | Lost 0-2 | -171416 |
| 7sealed | 660 | Nam, Sung Wook (1632) | Won 2-1 | +221438 |
| 8sealed | 474 | Moriya, Erika (1623) | Lost 1-2 | -141424 |
| top | average opponent: 1568record: 2-4 | new rating: 1424 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 140 | Ushioda, Junya (1468) | Lost 0-2 | -181475 |
| 4modern | 367 | Nojima, Daichi (1519) | Won 2-1 | +191494 |
| 5modern | 352 | Saito, Tomoya (1669) | Lost 0-2 | -151479 |
| 6modern | 814 | Matsuyama, Satoshi (1548) | Lost 1-2 | -171462 |
| 7modern | 927 | Hayashi, Masanori (1497) | Lost 0-2 | -171445 |
| top | average opponent: 1540record: 1-4 | new rating: 1445 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 656 | Takano, Shigeki (1707) | Won 2-0 | +221522 |
| 4standard | 338 | Terai, Tadayuki (1585) | Lost 0-2 | -171505 |
| 5standard | 602 | Nisi, Ryota (1624) | Won 2-0 | +201525 |
| 6standard | 340 | Tamoto, Kei (1339) | Won 2-0 | +151540 |
| 7standard | 162 | Tanaka, Jun'ichi (1557) | Lost 1-2 | -181522 |
| 8standard | 182 | Shibata, Syouhei (1570) | Lost 0-2 | -171505 |
| 9standard | 368 | Mizuno, Masahito (1545) | Won 2-1 | +191524 |
| 10standard | 262 | Sato, Kimihiko (1733) | Lost 0-2 | -151509 |
| 11standard | 350 | Sotomura, Yoshihiro (1616) | Lost 0-2 | -161493 |
| top | average opponent: 1586record: 4-5 | new rating: 1493 | ||