Itou, Masahito
Current rating: 1503
Record: 20-21
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Sato, Ken (1504) | Won 2-0 | +171540 |
| 2standard | 476 | Tomioka, Teppei (1525) | Lost 0-2 | -181522 |
| 3standard | 657 | Yabuta, Junichi (1679) | Lost 0-2 | -151507 |
| 4standard | 1035 | Tanaka, Ryou (1441) | Won 2-1 | +171524 |
| 5standard | 814 | Kimura, Syun (1396) | Lost 0-2 | -201504 |
| 6standard | 884 | Ishida, Koji (1482) | Won 2-1 | +171521 |
| 7standard | 610 | Ikarashi, Satoru (1492) | Lost 1-2 | -181503 |
| top | average opponent: 1503record: 3-4 | new rating: 1503 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 557 | Shimogaki, Kouhei (1573) | Lost 0-2 | -161439 |
| 2legacy | 819 | Suzuki, Nobuya (1465) | Lost 0-2 | -171422 |
| 3legacy | 962 | Hashimoto, Ryoichi (1462) | Won 2-1 | +181440 |
| 4legacy | 828 | Nomura, Takashi (1539) | Won 2-1 | +201460 |
| 5legacy | 840 | Naka, Yoshihiro (1576) | Won 2-0 | +201480 |
| 6legacy | 771 | Tabei, Hirotomo (1502) | Won 2-0 | +191499 |
| 7legacy | 632 | Kurata, Shintaro (1575) | Lost 0-2 | -171482 |
| 8legacy | 663 | Yoshinaga, Mitsuteru (1724) | Won 2-0 | +221504 |
| 9legacy | 616 | Miyamoto, Hisashi (1534) | Won 2-1 | +191523 |
| top | average opponent: 1550record: 6-3 | new rating: 1523 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 361 | Takahira, Takashi (1557) | Won 2-0 | +191490 |
| 2sealed | 68 | Yoshioka, Norisato (1476) | Lost 1-2 | -181472 |
| 3sealed | 385 | Nagae, Nobuyasu (1455) | Lost 1-2 | -181454 |
| 4sealed | 414 | Isowa, Masaomi (1484) | Lost 1-2 | -181436 |
| 5sealed | 430 | Inoue, Seiya (1462) | Won 2-1 | +191455 |
| top | average opponent: 1487record: 2-3 | new rating: 1455 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Horikawa, Shota (1500) | Lost 1-2 | -181486 |
| 2sealed | 236 | Tetsuzawa, Kenshi (1482) | Lost 1-2 | -181468 |
| 3sealed | 360 | Tatsukawa, Jigen (1470) | Won 2-0 | +181486 |
| 4sealed | 286 | Kitagawa, Tomohiro (1418) | Lost 1-2 | -191467 |
| 5sealed | 330 | Furuta, Yoshifuyu (1604) | Won 2-1 | +211488 |
| 6sealed | 277 | Tabata, Yuusuke (1564) | Lost 0-2 | -171471 |
| top | average opponent: 1506record: 2-4 | new rating: 1471 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 613 | Omi, Shuntaro (1500) | Won 2-1 | +191465 |
| 2standard | 649 | Wada, Yuusaku (1505) | Won 2-1 | +181483 |
| 3standard | 613 | Ito, Shinichi (1557) | Lost 0-2 | -161467 |
| 4standard | 683 | Hishiyama, Norimichi (1555) | Lost 1-2 | -171450 |
| 5standard | 806 | Mori, Masaki (1417) | Lost 1-2 | -181432 |
| 6standard | 789 | Ootsuka, Yuuji (1406) | Won 2-1 | +171449 |
| 7standard | 752 | Hirami, Tomonori (1492) | Won 2-1 | +191468 |
| 8standard | 673 | Satou, Shouichi (1516) | Won 2-1 | +191487 |
| 9standard | 721 | Shibata, Genya (1466) | Won 2-1 | +171504 |
| top | average opponent: 1490record: 6-3 | new rating: 1504 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Ogawa, Tatsuya (1500) | Lost 1-2 | -181482 |
| 2standard | 522 | Mizoshita, Fumiki (1482) | Lost 0-2 | -181464 |
| 3standard | 745 | Maruzuru, Syouhei (1465) | Won 2-0 | +181482 |
| 4standard | 578 | Fukuta, Shingo (1491) | Lost 0-2 | -181464 |
| 5standard | 695 | Mori, Masaki (1429) | Lost 1-2 | -181446 |
| top | average opponent: 1473record: 1-4 | new rating: 1446 | ||