Takeichi, Kengo
Current rating: 1481
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Kikuchi, Takashi (1301) | Won 2-0 | +141518 |
| 2sealed | 518 | Nitsu, Shunsuke (1670) | Lost 1-2 | -151503 |
| 3sealed | 797 | Fujii, Mikiya (1324) | Lost 1-2 | -221481 |
| top | average opponent: 1431record: 1-2 | new rating: 1481 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 348 | Ono, Katsuya (1460) | Won 2-1 | +161540 |
| 2sealed | 346 | Miyawaki, Wataru (1461) | Lost 0-2 | -191521 |
| 3sealed | 923 | Shiroma, Hiroshi (1608) | Lost 1-2 | -161505 |
| 4sealed | 980 | Toriumi, Takashi (1452) | Won 2-0 | +171522 |
| 5sealed | 676 | Tanaka, Fumihiro (1523) | Lost 0-2 | -181504 |
| top | average opponent: 1501record: 2-3 | new rating: 1504 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1268 | Okamoto, Jin (1747) | Won 2-1 | +221522 |
| 2sealed | 1054 | Mori, Yumeto (1498) | Lost 1-2 | -181504 |
| 3sealed | 1272 | Yasumoto, Tsubasa (1501) | Lost 0-2 | -181486 |
| 4sealed | 1212 | Tano, Yuki (1477) | Won 2-0 | +181504 |
| 5sealed | 1155 | Suzuki, Seiji (1500) | Won 2-0 | +181522 |
| 6sealed | 1085 | Lai, Charles (1622) | Won 2-0 | +201542 |
| 7sealed | 1015 | Chu, Alfred (1543) | Lost 0-2 | -181524 |
| top | average opponent: 1555record: 4-3 | new rating: 1524 | ||