Ikeda, Tatsurou
Current rating: 1387
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 371 | Imamura, Keisuke (1512) | Lost 1-2 | -161401 |
| 2sealed | 338 | Nagaya, Seigou (1482) | Won 2-1 | +201421 |
| 3sealed | 279 | Deguchi, Keizou (1500) | Lost 0-2 | -171404 |
| 4sealed | 421 | Ishitsuka, Yuuta (1464) | Lost 0-2 | -171387 |
| top | average opponent: 1489record: 1-3 | new rating: 1387 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Igarashi, Yasunori (1500) | Lost 0-2 | -171448 |
| 2standard | 310 | Kobayasi, Tomoya (1482) | Lost 1-2 | -181430 |
| 3standard | 373 | Kitabayashi, Takashi (1713) | Lost 1-2 | -131417 |
| top | average opponent: 1565record: 0-3 | new rating: 1417 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1031 | Shinohara, Takahiro (1500) | Lost 0-2 | -181482 |
| 2sealed | 1040 | Tanaka, Hiroto (1543) | Lost 0-2 | -171465 |
| top | average opponent: 1521record: 0-2 | new rating: 1465 | ||