Oosawa, Syo
Current rating: 1525
Record: 19-18-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 96 | Sogo, Eiji (1500) | Lost 0-2 | -191534 |
| 2legacy | 688 | Kawamura, Hirotaka (1450) | Won 2-1 | +161550 |
| 3legacy | 959 | Matsuyama, Satoshi (1626) | Won 2-1 | +201570 |
| 4legacy | 374 | Nagai, Kei (1357) | Won 2-1 | +141584 |
| 5legacy | 282 | Katou, Keigo (1475) | Lost 1-2 | -201564 |
| 6legacy | 433 | Miwa, Yusuke (1423) | Lost 1-2 | -211543 |
| 7legacy | 726 | Nishikawa, Yukihiro (1525) | Lost 0-2 | -181525 |
| top | average opponent: 1479record: 3-4 | new rating: 1525 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 219 | Ootsuki, Masahiro (1443) | Won 2-0 | +171485 |
| 2legacy | 11 | Shiraishi, Ginga (1495) | Won 2-0 | +191504 |
| 3legacy | 75 | Sano, Tomokazu (1534) | Won 2-1 | +181522 |
| 4legacy | 26 | Endo, Takuya6807 (1453) | Won 2-1 | +171539 |
| 5legacy | 47 | Iwayama, Masatomo (1556) | Lost 0-2 | -181521 |
| 6legacy | 110 | Kuroda, Ryuhei (1579) | Won 2-0 | +191540 |
| 7legacy | 52 | Kakumae, Teruya (1978) | Won 2-1 | +261566 |
| 8legacy | 13 | Itou, Takanori (1635) | Lost 0-2 | -171549 |
| 9legacy | 37 | Isayama, Yusuke (1643) | Won 2-1 | +201569 |
| 10legacy | 97 | Nakatsu, Yoshihito (1522) | Won 2-0 | +171586 |
| 11legacy | 29 | Matsuoka, Naoto (1711) | Lost 1-2 | -161570 |
| 12legacy | 54 | Hiraki, Takayoshi (1583) | Won 2-0 | +181588 |
| 13legacy | 30 | Suzuki, Ryuuichi (1548) | Draw 1-1 | 01588 |
| 14legacy | 47 | Shiroza, Shinichiro (1655) | Lost 0-2 | -171571 |
| 15legacy | 64 | Kamata, Kazuhiro (1577) | Lost 1-2 | -181553 |
| top | average opponent: 1594record: 9-5-1 | new rating: 1553 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 314 | Tomomura, Hitoshi (1449) | Won 2-1 | +171501 |
| 2standard | 63 | Sugimoto, Yuuki (1584) | Lost 1-2 | -161485 |
| 3standard | 334 | Lee, Wonchang (1499) | Lost 1-2 | -181467 |
| 4standard | 417 | Kurokawa, Ryushi (1498) | Won 2-0 | +191486 |
| 5standard | 288 | Shinkawa, Takuya (1495) | Won 2-0 | +181504 |
| 6standard | 286 | Kinugasa, Satoshi (1500) | Lost 0-2 | -181486 |
| 7standard | 326 | Oldziey, Kalim (1492) | Lost 0-2 | -181468 |
| top | average opponent: 1502record: 3-4 | new rating: 1468 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Yoshihara, Tomoki (1465) | Won 2-1 | +171517 |
| 2standard | 147 | Ogura, Takamasa (1613) | Lost 1-2 | -161501 |
| 3standard | 490 | Katou, Masaya (1506) | Lost 0-2 | -181483 |
| 4standard | 744 | Nakayama, Yusaku (1465) | Won 2-0 | +181501 |
| 5standard | 572 | Mukasa, Yoshiya (1571) | Won 2-0 | +191520 |
| 6standard | 276 | Matsubara, Takeyuki (1502) | Lost 1-2 | -181502 |
| 7standard | 468 | Sato, Kouki (1501) | Lost 0-2 | -181484 |
| 8standard | 407 | Date, Tsutomu (1495) | Lost 1-2 | -181466 |
| 9standard | 362 | Yasunaka, Shinichi (1461) | Won 2-0 | +181484 |
| top | average opponent: 1509record: 4-5 | new rating: 1484 | ||