Yamamoto, Asao
Current rating: 1474
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 796 | Saijo, Yuichi (1571) | Won 2-0 | +201470 |
| 2sealed | 898 | Kinpara, Tsunahiro (1640) | Won 2-0 | +211491 |
| 3sealed | 682 | Kobayashi, Takashi (1538) | Lost 0-2 | -171474 |
| 4sealed | 787 | Haba, Kazuhisa (1518) | Won 2-0 | +191493 |
| 5sealed | 731 | Ono, Tomonori (1474) | Lost 0-2 | -191474 |
| top | average opponent: 1548record: 3-2 | new rating: 1474 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Cargano, Marcelo (1518) | Lost 0-2 | -171468 |
| 2sealed | 444 | Wahlfridsson, Per (1482) | Lost 0-2 | -181450 |
| top | average opponent: 1500record: 0-2 | new rating: 1450 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Ishiguro, Satoshi (1558) | Lost 0-2 | -171483 |
| 2extended | 287 | Hayashi, Yuusuke (1482) | Lost 0-2 | -181465 |
| 3extended | 285 | Kanegawa, Toshiya (1567) | Won 2-0 | +201485 |
| 4extended | 293 | Seino, Yoshihiro (1481) | Won 2-1 | +181503 |
| 5extended | 195 | Sugita, Daichi (1516) | Lost 1-2 | -181485 |
| top | average opponent: 1521record: 2-3 | new rating: 1485 | ||