Kubota, Taiga
Current rating: 1428
Record: 28-38-2 (GP) / 2-3-1 (professional)
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 335 | Kang, Jonghoon (1427) | Lost 0-2 | -201501 |
| 2standard | 498 | Takeda, Shoichiro (1580) | Lost 1-2 | -171484 |
| 3standard | 825 | Inazawa, Ryo (1470) | Lost 0-2 | -181466 |
| 4standard | 830 | Sasahara, Yuta (1364) | Lost 1-2 | -201446 |
| 5standard | 787 | Mitsumoto, Takeo (1428) | Lost 1-2 | -181428 |
| top | average opponent: 1454record: 0-5 | new rating: 1428 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 323 | Junji, Saito (1500) | Won 2-0 | +181498 |
| 2sealed | 28 | Iwahashi, Hiroki (1678) | Lost 1-2 | -141484 |
| 3sealed | 682 | Inoue, Kohey (1565) | Lost 1-2 | -171467 |
| 4sealed | 898 | Kawabata, Yuya (1393) | Won 2-0 | +171484 |
| 5sealed | 568 | Kobayashi, Masahiro (1372) | Won 2-1 | +161500 |
| 6sealed | 386 | Motooka, Takahiro (1644) | Won 2-1 | +201520 |
| 7sealed | 256 | Tanaka, Kisuke (1419) | Won 2-1 | +171537 |
| 8sealed | 333 | Takagi, Takeshi (1768) | Won 2-1 | +221559 |
| 9sealed | 217 | Uchino, Jun (1648) | Lost 0-2 | -171542 |
| 10draft | 213 | Iwasaki, Junya (1460) | Lost 1-2 | -191523 |
| 11draft | 141 | Katayama, Satoru (1462) | Lost 0-2 | -191504 |
| 12draft | 173 | Takahashi, Akira (1446) | Won 2-0 | +171521 |
| top | average opponent: 1530record: 7-5 | new rating: 1521 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1343 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 13 | Abe, Yusuke 6661 (1500) | Lost 1-2 | -151328 |
| 2modern | 746 | Nakashima, Ryo (1542) | Won 2-1 | +221350 |
| 3modern | 746 | Katagiri, Keisuke (1481) | Won 2-0 | +201370 |
| 4modern | 632 | Ochi, Masaaki (1537) | Won 2-1 | +211391 |
| 5modern | 493 | Guo, Cheng (1649) | Won 2-0 | +231414 |
| 6modern | 92 | Kitajima, Ryoko (1500) | Lost 0-2 | -171397 |
| 7modern | 394 | Mizumura, Ryouta (1502) | Won 2-0 | +201417 |
| 8modern | 349 | Ikawa, Yoshihiko (2114) | Won 2-0 | +291446 |
| 9modern | 234 | Morishita, Hirotaka (1562) | Won 2-1 | +201466 |
| 10modern | 118 | Cho, Jae Seok (1697) | Lost 0-2 | -141452 |
| 11modern | 140 | Okamoto, Yuuya (1711) | Won 2-0 | +231475 |
| 12modern | 116 | Tsukada, Akihisa (1588) | Lost 0-2 | -161459 |
| 13modern | 111 | Sugiyama, Kouichi (1459) | Won 2-1 | +181477 |
| 14modern | 126 | Kudou, Takunori (1675) | Won 2-0 | +221499 |
| 15modern | 91 | Shibayama, Hayato (1471) | Lost 1-2 | -191480 |
| top | average opponent: 1599record: 10-5 | new rating: 1480 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2048 | Okada, Takuya (1622) | Draw 1-1 | +51399 |
| 4sealed | 2106 | Tanaka, Tarou (1540) | Lost 1-2 | -161383 |
| 5sealed | 2206 | Arai, Makoto (1516) | Lost 1-2 | -161367 |
| 6sealed | 2273 | Yoshimura, Naoki (1497) | Lost 1-2 | -151352 |
| 7sealed | 2239 | Kanou, Takuya (1519) | Lost 1-2 | -151337 |
| 8sealed | 2190 | Tomiyama, Shin (1412) | Won 2-0 | +191356 |
| 9sealed | 2135 | Minami, Masashi (1622) | Lost 0-2 | -131343 |
| top | average opponent: 1533record: 1-5-1 | new rating: 1343 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Yutaka, Hiroaki (1500) | Lost 1-2 | -171403 |
| 2sealed | 328 | Matsuda, Tomoko (1444) | Won 2-0 | +191422 |
| 3sealed | 248 | Kobayashi, Makoto (1498) | Won 2-1 | +191441 |
| 4sealed | 229 | Kinoshita, Akira (1516) | Won 2-0 | +201461 |
| 5sealed | 80 | Okuyama, Shuhei (1535) | Lost 1-2 | -171444 |
| 6sealed | 235 | Hatoyama, Shinya (1525) | Lost 0-2 | -171427 |
| 7sealed | 237 | Fukuda, Yuuki (1513) | Lost 0-2 | -161411 |
| 8sealed | 337 | Suzuki, Junpei (1490) | Lost 0-2 | -171394 |
| top | average opponent: 1503record: 3-5 | new rating: 1394 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 415 | Sato, Masatoshi (1450) | Lost 1-2 | -171372 |
| 2modern | 450 | Yamamoto, Yuusuke (1482) | Won 2-0 | +201392 |
| 3modern | 445 | Fukunaga, Nao (1479) | Won 2-0 | +191411 |
| 4modern | 242 | Shimazu, Takuya (1519) | Won 2-0 | +201431 |
| 5modern | 98 | Ishida, Shoichi (1458) | Lost 1-2 | -171414 |
| 6modern | 383 | Higuchi, Akashi (1509) | Lost 1-2 | -171397 |
| 7modern | 384 | Takano, Yasuhiro (1551) | Lost 0-2 | -151382 |
| 8modern | 340 | Yamashita, Kohji (1377) | Won 2-0 | +181400 |
| 9modern | 230 | Nakamura, Takuya (1481) | Won 2-0 | +201420 |
| top | average opponent: 1478record: 5-4 | new rating: 1420 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Morikawa, Yoshimi (1266) | Won 2-1 | +151450 |
| 2sealed | 82 | Itou, Takuma (1619) | Lost 0-2 | -151435 |
| 3sealed | 180 | Higono, Naoki (1588) | Draw 1-1 | +31438 |
| 4sealed | 203 | Nomura, Eiji (1620) | Lost 0-2 | -151423 |
| 5sealed | 223 | Saitou, Kazuya (1417) | Lost 1-2 | -181405 |
| 6sealed | 195 | Ogura, Shigeru (1412) | Lost 0-2 | -181387 |
| 7sealed | 164 | Oshima, Kazuaki (1425) | Won 2-0 | +191406 |
| 8sealed | 124 | Furukawa, Gosei (1445) | Lost 1-2 | -171389 |
| top | average opponent: 1474record: 2-5-1 | new rating: 1389 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 102 | Doi, Asuka (1667) | Lost 1-2 | -151486 |
| 4standard | 186 | Atsuta, Nao (1602) | Lost 0-2 | -161470 |
| 5standard | 288 | Nakamura, Hiroya (1486) | Lost 1-2 | -171453 |
| 6standard | 312 | Noguchi, Takahiro (1480) | Lost 0-2 | -181435 |
| top | average opponent: 1559record: 0-4 | new rating: 1435 | ||
| Pro Tour Amsterdam 2004 (MRD rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 142 | Tse, Felix (1500) | Won 2-1 | +181518 |
| 2rochester | 38 | Parr, Brent (1561) | Won 2-0 | +191537 |
| 3rochester | 25 | Ruel, Olivier (1887) | Lost 0-2 | -121525 |
| 4rochester | 163 | Mikander, Mikko (1519) | Draw 1-1 | 01525 |
| 5rochester | 92 | Ishida, Itaru (1938) | Lost 1-2 | -111514 |
| 6rochester | 63 | Wagener, Joshua (1814) | Lost 1-2 | -131501 |
| top | average opponent: 1703record: 2-3-1 | new rating: 1501 | ||