Okawa, Hiroshi
Current rating: 1607
Record: 19-14-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 188 | Kawabata, Hiromasa (1524) | Won 2-0 | +181556 |
| 2pioneer | 140 | Seo, Noboru (1537) | Won 2-1 | +181574 |
| 3pioneer | 87 | Yamada, Yoshitaka (1482) | Won 2-0 | +161590 |
| 4pioneer | 175 | Uno, Yuki (1519) | Won 2-0 | +171607 |
| 5pioneer | 7 | Takata, Kouhei (1637) | Won 2-0 | +181625 |
| 6pioneer | 1 | Hayashi, Naoki (1652) | Won 2-1 | +191644 |
| 7pioneer | 10 | Yada, Kazuki (1995) | Lost 0-2 | -121632 |
| 8pioneer | 65 | Takahashi, Masato 3726 (1561) | Won 2-0 | +171649 |
| 9pioneer | 26 | Nakajima, Shunichi (1510) | Lost 1-2 | -211628 |
| 10pioneer | 86 | Asano, Tatsuro (1566) | Draw 1-1 | -11627 |
| 11pioneer | 72 | Hata, Hideaki (1723) | Won 2-1 | +201647 |
| 12pioneer | 45 | Murayama, Masanao (1594) | Won 2-0 | +171664 |
| 13pioneer | 26 | Watanabe, Takuya (1527) | Lost 1-2 | -211643 |
| 14pioneer | 48 | Kawamata, Daisuke (1671) | Lost 0-2 | -171626 |
| 15pioneer | 74 | Ochi, Takushi (1567) | Lost 1-2 | -191607 |
| top | average opponent: 1604record: 9-5-1 | new rating: 1607 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 375 | Miyazaki, Tatsuro (1537) | Lost 1-2 | -181493 |
| 4legacy | 629 | Nagaya, Souseki (1515) | Lost 1-2 | -171476 |
| 5legacy | 751 | Yamada, Takashi (1589) | Won 2-0 | +201496 |
| 6legacy | 535 | Yuichi, Tokunaga (1475) | Lost 0-2 | -191477 |
| 7legacy | 742 | Shiroza, Shinichiro (1578) | Won 2-1 | +201497 |
| 8legacy | 589 | Maruyama, Masaaki (1481) | Won 2-1 | +181515 |
| 9legacy | 373 | Yamazaki, Kotaro (1558) | Won 2-0 | +191534 |
| 10legacy | 339 | Aihara, Shogaku (1545) | Won 2-1 | +181552 |
| 11legacy | 118 | Samejima, Ippei (1585) | Lost 1-2 | -181534 |
| 12legacy | 205 | Okajima, Masahiro (1628) | Lost 1-2 | -161518 |
| 13legacy | 292 | Ueda, Tadahiko (1574) | Won 2-1 | +191537 |
| 14legacy | 199 | Ootake, Ryou (1560) | Won 2-0 | +191556 |
| 15legacy | 191 | Saito, Yuki (1597) | Lost 0-2 | -181538 |
| top | average opponent: 1555record: 7-6 | new rating: 1538 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 279 | Maitani, Shintarou (1430) | Draw 1-1 | -11499 |
| 2standard | 576 | Clark, Anthonlee (1693) | Won 2-1 | +211520 |
| 3standard | 582 | Saitou, Ryuuga (1735) | Won 2-1 | +221542 |
| 4standard | 317 | Moriya, Jun (1878) | Lost 1-2 | -121530 |
| 5standard | 540 | Ho, Felix (1533) | Lost 1-2 | -181512 |
| 6standard | 751 | Yonezawa, Seizi (1456) | Lost 0-2 | -191493 |
| 7standard | 728 | Seno, Takuto (1475) | Won 2-0 | +181511 |
| top | average opponent: 1600record: 3-3-1 | new rating: 1511 | ||