Ootsubo, Tsubasa
Current rating: 1568
Record: 34-31-2
| Grand Prix Kobe 2017 (modern) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 249 | Honda, Takeshi (1480) | Won 2-0 | +191493 |
| 3modern | 346 | Ichikawa, Norikazu (1605) | Won 2-1 | +201513 |
| 4modern | 113 | Shunsuke, Aramomi (1506) | Won 2-1 | +171530 |
| 5modern | 141 | Sano, Kimiaki (1746) | Won 2-1 | +221552 |
| 6modern | 36 | Tsumura, Kenji (1902) | Won 2-1 | +241576 |
| 7modern | 31 | Hienuki, Koichi (1708) | Won 2-1 | +211597 |
| 8modern | 7 | Boku, Takashi (1715) | Lost 1-2 | -161581 |
| 9modern | 60 | Lee, Kun-Hsin (1620) | Lost 1-2 | -171564 |
| 10modern | 154 | Kurata, Shintaro (1640) | Lost 0-2 | -171547 |
| 11modern | 192 | Ono, Daisuke (1421) | Lost 1-2 | -201527 |
| 12modern | 315 | Fukuda, Yu (1564) | Won 2-0 | +191546 |
| 13modern | 172 | Wachigai, Hirotaka (1532) | Won 2-1 | +171563 |
| 14modern | 172 | Kurokawa, Takumi (1586) | Won 2-0 | +191582 |
| 15modern | 72 | Takao, Shota (1844) | Lost 1-2 | -141568 |
| top | average opponent: 1634record: 9-5 | new rating: 1568 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 202 | Hamada, Akihisa (1448) | Won 2-1 | +171531 |
| 3standard | 528 | Yoon, Je Yeon (1611) | Lost 0-2 | -171514 |
| 4standard | 816 | Kotera, Tetsuo (1307) | Lost 0-2 | -221492 |
| 5standard | 656 | Hashimoto, Keisuke6106 (1503) | Won 2-0 | +191511 |
| 6standard | 632 | Satou, Naota (1449) | Lost 0-2 | -191492 |
| 7standard | 863 | Yasuhara, Seito (1542) | Lost 0-2 | -181474 |
| top | average opponent: 1477record: 2-4 | new rating: 1474 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 285 | Masuda, Sho (1558) | Lost 0-2 | -181554 |
| 3legacy | 760 | Ichikawa, Yu (1445) | Won 2-0 | +161570 |
| 4legacy | 594 | Hasegawa, Tsuguto (1503) | Lost 1-2 | -191551 |
| 5legacy | 861 | Nanamori, Kouhei (1616) | Lost 0-2 | -171534 |
| 6legacy | 880 | Owada, Kazuya (1413) | Lost 0-2 | -201514 |
| top | average opponent: 1507record: 1-4 | new rating: 1514 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 192 | Ootsuka, Shintaro (1532) | Won 2-0 | +171612 |
| 3sealed | 401 | Takashima, Ryouhei (1534) | Lost 1-2 | -191593 |
| 4sealed | 478 | Asakura, Yoshitomo (1596) | Lost 0-2 | -181575 |
| 5sealed | 725 | Hashimoto, Hiromune (1500) | Won 2-0 | +161591 |
| 6sealed | 665 | Furuya, Satoshi (1304) | Won 2-0 | +131604 |
| 7sealed | 278 | Satou, Akihiko (1619) | Lost 0-2 | -171587 |
| 8sealed | 523 | Kim, Cynic (1804) | Lost 0-2 | -151572 |
| top | average opponent: 1556record: 3-4 | new rating: 1572 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 298 | Nam, Kyung Hwan (1429) | Lost 0-2 | -211565 |
| 3standard | 778 | Tanaka, Naohiro (1416) | Won 2-0 | +151580 |
| 4standard | 711 | Nishiki, Kentarou (1571) | Won 2-1 | +181598 |
| 5standard | 496 | Omi, Tatsuya (1532) | Lost 1-2 | -191579 |
| 6standard | 535 | Babasaki, Taro (1630) | Won 2-1 | +191598 |
| 7standard | 303 | Taiga, Terasaka (1535) | Won 2-1 | +171615 |
| 8standard | 219 | Wong, Man Lok (1533) | Lost 0-2 | -201595 |
| top | average opponent: 1521record: 4-3 | new rating: 1595 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1050 | Shibata, Yohei (1518) | Won 2-0 | +171584 |
| 3sealed | 946 | Sakai, Yoshiki (1528) | Won 2-1 | +171601 |
| 4sealed | 879 | Fujimoto, Takehiro (1737) | Lost 0-2 | -151586 |
| 5sealed | 885 | Takeda, Hiroki (1660) | Won 2-1 | +191605 |
| 6sealed | 909 | Fujikura, Akinori (1610) | Lost 0-2 | -181587 |
| 7sealed | 903 | Agata, Tatsuki (1581) | Lost 0-2 | -181569 |
| 8sealed | 986 | Murai, Tatsuya6290 (1505) | Won 2-0 | +171586 |
| top | average opponent: 1591record: 4-3 | new rating: 1586 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 115 | Chou, Rikii (1500) | Won 2-1 | +171589 |
| 2legacy | 161 | Yoshizawa, Kaoru (1461) | Won 2-0 | +161605 |
| 3legacy | 114 | Kihara, Atsuki (1807) | Lost 1-2 | -151590 |
| 4legacy | 270 | Ishida, Shoichi (1489) | Lost 1-2 | -201570 |
| 5legacy | 332 | Ueno, Yoshiyuki (1502) | Lost 1-2 | -191551 |
| 6legacy | 319 | Muramatsu, Wataru (1437) | Won 2-0 | +161567 |
| top | average opponent: 1533record: 3-3 | new rating: 1567 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 953 | Nakae, Kazusi (1386) | Won 2-0 | +161516 |
| 2sealed | 651 | Yoshikawa, Takuma (1518) | Won 2-0 | +181534 |
| 3sealed | 666 | Tamada, Ryoichi (1987) | Won 2-1 | +261560 |
| 4sealed | 672 | Sugitani, Kyousuke (1591) | Lost 1-2 | -181542 |
| 5sealed | 725 | Murata, Toshiaki (1809) | Won 2-0 | +231565 |
| 6sealed | 725 | Yamane, Yuuki (1426) | Won 2-1 | +151580 |
| 7sealed | 666 | Gotou, Hiroaki (1683) | Won 2-0 | +201600 |
| 8sealed | 609 | Akita, Naoto (1809) | Draw 1-1 | +41604 |
| 9sealed | 629 | Takamura, Morihiko (1640) | Won 2-1 | +191623 |
| 10draft | 14 | Shigehara, Toshinori (1779) | Lost 0-2 | -151608 |
| 11draft | 77 | Akita, Naoto (1804) | Lost 0-2 | -151593 |
| 12draft | 70 | Kitazawa, Kentarou (1576) | Lost 0-2 | -181575 |
| 13draft | 39 | Honma, Rie (1500) | Draw 1-1 | -21573 |
| 14draft | 19 | Nakamura, Satoshi0186 (1608) | Won 2-0 | +191592 |
| 15draft | 101 | Chin, Mouse (1493) | Lost 0-2 | -201572 |
| top | average opponent: 1641record: 8-5-2 | new rating: 1572 | ||