Okita, Kenichiro
Current rating: 1598
Record: 33-27-3
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Kim, Inhwan (1500) | Won 2-0 | +151628 |
| 2sealed | 67 | Krejsa, Tomas (1467) | Won 2-0 | +161644 |
| 3sealed | 33 | Maeno, Ryuju (1563) | Lost 0-2 | -201624 |
| 4sealed | 86 | Fujimoto, Yosuke (1517) | Won 2-1 | +161640 |
| 5sealed | 60 | Oonishi, Hiroaki (1540) | Lost 0-2 | -201620 |
| 6sealed | 72 | Hirashima, Yuutarou (1364) | Lost 1-2 | -221598 |
| top | average opponent: 1492record: 3-3 | new rating: 1598 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 49 | Satou, Kenji (1625) | Lost 0-2 | -191619 |
| 3extended | 83 | Takayanagi, Tooru (1450) | Won 2-1 | +151634 |
| 4extended | 49 | Takeuchi, Hidehito (1461) | Won 2-0 | +151649 |
| 5extended | 53 | Shiozu, Ryouma (1796) | Lost 1-2 | -151634 |
| 6extended | 55 | Ishikawa, Masayo (1605) | Lost 1-2 | -191615 |
| 7extended | 69 | Takakura, Takeshi (1460) | Draw 1-1 | -21613 |
| top | average opponent: 1566record: 2-3-1 | new rating: 1613 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 229 | Oomiya, Akira (1473) | Won 2-0 | +151620 |
| 3standard | 36 | Haruta, Shota (1536) | Won 2-0 | +171637 |
| 4standard | 3 | Kobayashi, Masanori (1649) | Won 2-1 | +181655 |
| 5standard | 14 | Okugawa, Shoji (1714) | Lost 0-2 | -171638 |
| 6standard | 77 | Fujita, Tsuyoshi (1865) | Won 2-1 | +221660 |
| 7standard | 74 | Masui, Yuusuke (1602) | Lost 1-2 | -191641 |
| 8standard | 104 | Takahama, Norimasa (1504) | Lost 0-2 | -201621 |
| 9standard | 99 | Hasegawa, Suguru (1568) | Won 2-0 | +171638 |
| top | average opponent: 1614record: 5-3 | new rating: 1638 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 71 | Kikuchi, Osamu (1470) | Won 2-0 | +171547 |
| 2extended | 82 | Sumino, Hironori (1413) | Won 2-0 | +161563 |
| 3extended | 60 | Miyamoto, Satoshi (1510) | Lost 0-2 | -191544 |
| 4extended | 60 | Kozakai, Yukio (1582) | Won 2-0 | +181562 |
| 5extended | 66 | Ueno, Shinichi (1684) | Won 2-0 | +211583 |
| 6extended | 52 | Morita, Masahiko (1957) | Won 2-1 | +241607 |
| 7extended | 28 | Kishishita, Kunihiko (1494) | Lost 0-2 | -201587 |
| 8extended | 55 | Suita, Kazunari (1571) | Won 2-0 | +181605 |
| 9extended | 24 | Takeda, Hiroki (1605) | Won 2-0 | +181623 |
| 10extended | 19 | Lee, Sang-Ryeol (1636) | Lost 1-2 | -181605 |
| 11extended | 10 | Kurihara, Shingou (1620) | Lost 1-2 | -181587 |
| 12extended | 15 | Hirosawa, Yuuta (1651) | Lost 0-2 | -171570 |
| 13extended | 27 | Kawasaki, Yasuhiro (1530) | Won 2-0 | +181588 |
| 14extended | 8 | Motoyama, Kazuhiko (1530) | Won 2-0 | +171605 |
| top | average opponent: 1589record: 9-5 | new rating: 1605 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Oota, Hirotaka (1586) | Lost 0-2 | -181527 |
| 2sealed | 252 | Okuda, Akio (1481) | Won 2-0 | +181545 |
| 3sealed | 170 | Ogawa, Hidetoshi (1568) | Won 2-0 | +181563 |
| 4sealed | 127 | Kashima, Akihiro (1846) | Lost 0-2 | -131550 |
| 5sealed | 135 | Kawamoto, Mikihito (1449) | Lost 0-2 | -201530 |
| top | average opponent: 1586record: 2-3 | new rating: 1530 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 93 | Nakauchi, Mayumi (1502) | Lost 0-2 | -181488 |
| 2extended | 149 | Kusumoto, Masahiro (1411) | Won 2-1 | +171505 |
| 3extended | 109 | Ikeda, Yasunori (1498) | Won 2-1 | +181523 |
| 4extended | 60 | Miyasaka, Takeshi (1539) | Won 2-1 | +181541 |
| 5extended | 78 | Ishihara, Jun (1813) | Won 2-1 | +231564 |
| 6extended | 23 | Komiyama, Hideki (1657) | Draw 1-1 | +21566 |
| 7extended | 32 | Lee, Sang-Ryeol (1534) | Won 2-1 | +171583 |
| 8extended | 21 | Umeno, Kengo (1561) | Won 2-1 | +181601 |
| 9extended | 11 | Ito, Yuichi (1549) | Lost 0-2 | -191582 |
| 10extended | 22 | Ohnishi, Koji (1519) | Lost 1-2 | -191563 |
| 11extended | 28 | Nakajima, Jun-Ichi (1573) | Lost 0-2 | -181545 |
| top | average opponent: 1560record: 6-4-1 | new rating: 1545 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Kawakami, Seiji (1500) | Lost 0-2 | -171465 |
| 2sealed | 165 | Yamao, Kouichi (1482) | Won 2-0 | +181483 |
| 3sealed | 142 | Kinoshita, Tomoya (1500) | Lost 1-2 | -181465 |
| 4sealed | 148 | Sonoda, Naohiro (1545) | Won 2-0 | +201485 |
| 5sealed | 112 | Kaneko, Takefumi (1515) | Won 2-0 | +181503 |
| 6sealed | 108 | Deyama, Hirofumi (1524) | Won 2-1 | +191522 |
| 7sealed | 45 | Hayashi, Shinsuke (1674) | Lost 0-2 | -161506 |
| top | average opponent: 1534record: 4-3 | new rating: 1506 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 291 | Tsunoda, Kotaro (1500) | Lost 0-2 | -181482 |
| 2block | 570 | Ota, Junpei (1482) | Lost 0-2 | -181464 |
| 3block | 571 | Fujiura, Masanori (1464) | Won 2-0 | +181482 |
| 4block | 460 | Hirose, Keizo (1483) | Draw 1-1 | 01482 |
| 5block | 485 | Takashima, Sangatsu (1499) | Won 2-0 | +181500 |
| 6block | 366 | Sakamoto, Keita (1500) | Lost 1-2 | -181482 |
| top | average opponent: 1488record: 2-3-1 | new rating: 1482 | ||