Morinaga, Masaharu
Current rating: 1380
Record: 10-18
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Ishikawa, Naoto (1500) | Won 2-0 | +201401 |
| 2standard | 165 | Yuuki H., (1500) | Lost 1-2 | -161385 |
| 3standard | 174 | Okamoto, Masahiro (1504) | Won 2-0 | +201405 |
| 4standard | 180 | Ichikawa, Takayoshi (1580) | Won 2-0 | +211426 |
| 5standard | 171 | Hiroshi I., (1485) | Lost 1-2 | -171409 |
| 6standard | 143 | Oosumi, Kento (1524) | Lost 1-2 | -161393 |
| 7standard | 189 | Shou I., (1489) | Lost 0-2 | -161377 |
| 8standard | 179 | Miura, Hiroki (1436) | Lost 1-2 | -171360 |
| 9standard | 156 | Kimura, Shigeki (1482) | Won 2-0 | +201380 |
| top | average opponent: 1500record: 4-5 | new rating: 1380 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 6 | Okada, Keita (1429) | Lost 0-2 | -181413 |
| 2extended | 280 | Itou, Tomoaki (1585) | Lost 0-1 | -151398 |
| 3extended | 281 | Takashima, Mao (1464) | Lost 1-2 | -171381 |
| top | average opponent: 1493record: 0-3 | new rating: 1381 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Fukuda, Daisaku (1500) | Lost 0-0 | -181446 |
| 2sealed | 205 | Gotou, Hiroaki (1566) | Lost 0-2 | -151431 |
| 3sealed | 252 | Ito, Hidetoshi (1385) | Won 2-0 | +171448 |
| 4sealed | 228 | Komada, Mitsuhiko (1489) | Lost 0-2 | -171431 |
| top | average opponent: 1485record: 1-3 | new rating: 1431 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 36 | Taniguchi, Yuusuke (1528) | Lost 0-2 | -171446 |
| 2block | 250 | Ehara, Yoshihide (1515) | Lost 0-2 | -171429 |
| 3block | 341 | Katsu, Masahiro (1257) | Won 2-1 | +151444 |
| 4block | 298 | Tanaka, Hiroshi (1489) | Won 2-1 | +191463 |
| 5block | 209 | Yamada, Hiroki (1529) | Lost 0-2 | -171446 |
| 6block | 245 | Kimura, Naoyuki (1396) | Lost 0-2 | -191427 |
| 7block | 233 | Takeuchi, Hidehito (1399) | Won 2-1 | +181445 |
| 8block | 183 | Ono, Ippei (1504) | Won 2-1 | +191464 |
| top | average opponent: 1452record: 4-4 | new rating: 1464 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Hirayama, Atsushi (1509) | Lost 0-2 | -181482 |
| 2sealed | 169 | Fujita, Keisuke (1464) | Lost 0-2 | -181464 |
| 3sealed | 157 | Yamada, Shunsuke (1356) | Won 2-1 | +161480 |
| 4sealed | 151 | Izumi, Kimiaki (1527) | Lost 1-2 | -171463 |
| top | average opponent: 1464record: 1-3 | new rating: 1463 | ||