Itou, Manabu
Current rating: 1543
Record: 21-20-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 503 | Takakura, Shinichirou (1394) | Won 2-0 | +151559 |
| 2modern | 157 | Kouyama, Ryu (1461) | Lost 1-2 | -201539 |
| 3modern | 629 | Yoshimoto, Reiji (1498) | Won 2-1 | +181557 |
| 4modern | 652 | Kusakano, Toru (1544) | Won 2-1 | +171574 |
| 5modern | 224 | Ikawa, Yoshihiko (2116) | Lost 0-2 | -91565 |
| 6modern | 452 | Nakamura, Kouki 9697 (1520) | Lost 0-2 | -181547 |
| 7modern | 587 | Amemiya, Kouhei (1410) | Won 2-0 | +151562 |
| 8modern | 433 | Sasaki, Ken (1472) | Lost 0-2 | -191543 |
| top | average opponent: 1552record: 4-4 | new rating: 1543 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 565 | Hisano, Mikita (1442) | Lost 0-2 | -201542 |
| 4modern | 463 | Lim, David (1486) | Won 2-1 | +171559 |
| 5modern | 469 | Suzuki, Kazuhiro 1097 (1506) | Won 2-1 | +171576 |
| 6modern | 286 | Yamada, Mitsuhiro (1532) | Won 2-0 | +171593 |
| 7modern | 47 | Asahara, Akira (2024) | Lost 1-2 | -101583 |
| 8modern | 413 | Takahashi, Toshirou (1512) | Won 2-0 | +161599 |
| 9modern | 91 | Lu, Tung Ken (1513) | Won 2-0 | +171616 |
| 10modern | 54 | Kobayashi, Yosuke (1658) | Lost 1-2 | -171599 |
| 11modern | 263 | Shiota, Fumihiko (1849) | Lost 0-2 | -141585 |
| 12modern | 282 | Ishida, Ryouhei (1569) | Lost 0-2 | -181567 |
| 13modern | 268 | Tamaru, Daisuke (1417) | Lost 1-2 | -211546 |
| 14modern | 261 | Date, Tsutomu (1456) | Won 2-0 | +161562 |
| 15modern | 225 | Shibata, Yuuki (1535) | Lost 0-2 | -181544 |
| top | average opponent: 1577record: 6-7 | new rating: 1544 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 66 | Sasaki, Yusuke 6420 (1536) | Draw 1-1 | 01511 |
| 4modern | 130 | Noma, Takashi (1536) | Won 2-1 | +191530 |
| 5modern | 79 | Uchida, Yuki (1536) | Won 2-1 | +181548 |
| 6modern | 77 | Date, Tsutomu (1729) | Won 2-1 | +211569 |
| 7modern | 62 | Sato, Kimihiko (1788) | Won 2-1 | +221591 |
| 8modern | 56 | Ogawa, Masafumi (1525) | Draw 1-1 | -11590 |
| 9modern | 73 | Takayama, Kan (1578) | ID | 01590 |
| 10modern | 89 | Date, Hiroshi (1717) | Lost 1-2 | -161574 |
| 11modern | 85 | Tashiro, Kouichi (1702) | Won 2-0 | +201594 |
| 12modern | 86 | Akita, Naoto (1731) | Lost 0-2 | -151579 |
| 13modern | 99 | Okino, Ryuu (1661) | Won 2-1 | +191598 |
| 14modern | 72 | Yamamoto, Kouhei2453 (1570) | Lost 1-2 | -181580 |
| 15modern | 83 | Kochi, Daiki (1605) | Lost 1-2 | -181562 |
| top | average opponent: 1632record: 6-4-3 | new rating: 1562 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Suzuoka, Toshimitsu (1625) | Lost 0-2 | -161489 |
| 2sealed | 111 | Ueda, Takuya (1481) | Won 2-1 | +181507 |
| 3sealed | 129 | Maeba, Hideaki (1751) | Lost 0-2 | -141493 |
| 4sealed | 173 | Hashimoto, Masato (1481) | Won 2-1 | +181511 |
| top | average opponent: 1584record: 2-2 | new rating: 1511 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 343 | Ikeda, Kei (1567) | Lost 0-2 | -171483 |
| 3block | 442 | Imanishi, Yudai (1500) | Won 2-1 | +191502 |
| 4block | 296 | Kageyama, Tarou (1650) | Won 2-0 | +201522 |
| 5block | 147 | Kanazawa, Takashi (1518) | Won 2-1 | +181540 |
| 6block | 123 | Ando, Hiroaki (1569) | Draw 1-1 | +11541 |
| 7block | 97 | Fujitsuka, Shougo (1537) | Lost 1-2 | -181523 |
| 8block | 184 | Kaji, Tetsuya (1520) | Lost 0-2 | -181505 |
| top | average opponent: 1552record: 3-3-1 | new rating: 1505 | ||