Shimizu, Masaaki
Current rating: 1392
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Cheng, Tung-Yi (1523) | Lost 1-2 | -171464 |
| 2standard | 201 | Soejima, Takayuki (1484) | Lost 0-2 | -181446 |
| 3standard | 284 | Tamoto, Kei (1463) | Won 2-1 | +181464 |
| 4standard | 314 | Chi, Tatsuya (1555) | Lost 1-2 | -161448 |
| 5standard | 316 | Yamamoto, Satoshi (1463) | Lost 1-2 | -181430 |
| 6standard | 291 | Murata, Kouji (1408) | Lost 1-2 | -181412 |
| 7standard | 254 | Yamashita, Kohji (1328) | Lost 0-2 | -201392 |
| top | average opponent: 1461record: 1-6 | new rating: 1392 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Uchino, Shinya (1500) | Lost 1-2 | -181463 |
| 3sealed | 173 | Takimoto, Naoya (1444) | Won 2-1 | +181481 |
| 4sealed | 160 | Nakamura, Tamon (1499) | Won 2-1 | +181499 |
| 5sealed | 134 | Tsuji, Masahiro (1500) | Won 2-0 | +181517 |
| 6sealed | 101 | Lee, Kil-Ho (1494) | Lost 0-2 | -181499 |
| 7sealed | 118 | Sakamoto, Kazuya (1506) | Lost 0-2 | -181481 |
| top | average opponent: 1491record: 3-3 | new rating: 1481 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Yamada, Akira (1500) | Won 2-0 | +181518 |
| 2extended | 22 | Ito, Akitsugu (1500) | Lost 0-2 | -181500 |
| 3extended | 275 | Hiraishi, Masataka (1500) | Won 2-0 | +181518 |
| 4extended | 165 | Andou, Koutarou (1487) | Lost 0-2 | -191499 |
| 5extended | 180 | Sugimoto, Takahiko (1481) | Lost 0-2 | -181481 |
| top | average opponent: 1494record: 2-3 | new rating: 1481 | ||