Naitou, Masao
Current rating: 1393
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 660 | Ii, Tatsuya (1500) | Lost 0-2 | -161413 |
| 2standard | 843 | Nakamura, Naomichi (1452) | Draw 1-1 | 01413 |
| 3standard | 1146 | Yoshimizu, Hiroshi (1480) | Draw 1-1 | +21415 |
| 4standard | 1215 | Takahashi, Tomoo (1236) | Lost 1-2 | -221393 |
| top | average opponent: 1417record: 0-2-2 | new rating: 1393 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 443 | Takano, Ryouta (1500) | Lost 0-2 | -181465 |
| 2standard | 819 | Iseda, Junya (1462) | Lost 0-2 | -181447 |
| 3standard | 1501 | Yoshida, Tsubasa (1447) | Lost 0-2 | -181429 |
| top | average opponent: 1470record: 0-3 | new rating: 1429 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1144 | Matsubara, Tohru (1569) | Lost 1-2 | -171483 |
| 2sealed | 1324 | Tabata, Shuzo (1486) | Won 2-1 | +181501 |
| 3sealed | 1186 | Saitou, Yasutaka (1488) | Lost 1-2 | -181483 |
| top | average opponent: 1514record: 1-2 | new rating: 1483 | ||