Shirai, Takayuki
Current rating: 1547
Record: 8-5-2
| Grand Prix Yokohama 2012 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 282 | Horie, Kazuo (1500) | Won 2-0 | +171573 |
| 2modern | 245 | Hirai, Eiichi (1516) | Won 2-0 | +171590 |
| 3modern | 20 | Kobayashi, Shigehisa (1338) | Lost 0-2 | -221568 |
| 4modern | 382 | Saitou, Takashi (1516) | Won 2-1 | +171585 |
| 5modern | 229 | Tanaka, Shingo (Tokyo) (1535) | Lost 0-2 | -191566 |
| 6modern | 236 | Wakata, Kazuya (1519) | Lost 1-2 | -191547 |
| average opponent: 1487record: 3-3 | new rating: 1547 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 159 | Itou, Shigeru (1500) | Won 2-1 | +181518 |
| 2extended | 37 | Koyama, Tetsuo (1485) | Won 2-0 | +171535 |
| 3extended | 23 | Miyawaki, Ryosuke (1535) | Won 2-0 | +181553 |
| 4extended | 74 | Katou, Takayoshi (1553) | Won 2-0 | +181571 |
| 5extended | 44 | Hirata, Minoru (1689) | Draw 1-1 | +31574 |
| 6extended | 31 | Hamamoto, Kenji (1724) | Draw 1-1 | +21576 |
| 7extended | 80 | Oonishi, Tatsuya (1536) | Won 2-1 | +181594 |
| 8extended | 127 | Chijimi, Keiichi (1607) | Lost 1-2 | -181576 |
| 9extended | 92 | Terao, Manato (1489) | Lost 0-1 | -201556 |
| average opponent: 1569record: 5-2-2 | new rating: 1556 | |||