Itou, Kouichi
Current rating: 1463
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 469 | Hirata, Gaku (1500) | Won 2-0 | +191458 |
| 2sealed | 121 | Takatu, Kazuhiro (1542) | Won 2-0 | +201478 |
| 3sealed | 14 | Aoki, Takuya (1641) | Lost 1-2 | -151463 |
| top | average opponent: 1561record: 2-1 | new rating: 1463 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Kinugasa, Hiroki (1500) | Won 2-1 | +181502 |
| 2standard | 157 | Maeda, Lucio (1608) | Lost 1-2 | -161486 |
| 3standard | 435 | Nakano, Yoshitaka (1815) | Lost 0-2 | -121474 |
| 4standard | 661 | Mukasa, Yoshiya (1554) | Lost 0-2 | -171457 |
| 5standard | 677 | Yamazaki, Shinpei (1462) | Lost 0-2 | -181439 |
| top | average opponent: 1588record: 1-4 | new rating: 1439 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Tsuboyama, Shuta (1485) | Draw 1-1 | 01500 |
| 2standard | 221 | Fujisawa, Takashi (1452) | Won 2-1 | +171517 |
| 3standard | 114 | Yamada, Daiki (1472) | Won 2-1 | +171534 |
| 4standard | 131 | Matsuyama, Satoshi (1632) | Lost 0-2 | -161518 |
| 5standard | 208 | Tashiro, Hayato (1622) | Lost 0-2 | -161502 |
| 6standard | 267 | Takatori, Kohei (1493) | Lost 0-2 | -181484 |
| top | average opponent: 1526record: 2-3-1 | new rating: 1484 | ||