Wakita, Koichi
Current rating: 1523
Record: 7-6-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 260 | Nagamine, Taito (1431) | Won 2-1 | +181462 |
| 2sealed | 150 | Take, Toshiharu (1505) | Draw 1-1 | +11463 |
| 3sealed | 193 | Tanaka, Ryouma (1577) | Lost 0-2 | -161447 |
| 4sealed | 336 | M., Kenji (1499) | Won 2-0 | +191466 |
| 5sealed | 231 | Kamai, Daisuke (1457) | Won 2-0 | +181484 |
| 6sealed | 149 | Koshida, Takafumi (1487) | Won 2-1 | +181502 |
| 7sealed | 92 | Kimura, Shigeki (1502) | Won 2-1 | +181520 |
| 8sealed | 187 | Kawashima, Hajime (1674) | Lost 0-2 | -151505 |
| 9sealed | 289 | Itabashi, Ryo (1553) | Won 2-0 | +181523 |
| average opponent: 1521record: 6-2-1 | new rating: 1523 | |||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Noto, Ryuuichi (1475) | Won 2-1 | +181518 |
| 2sealed | 163 | Yamazaki, Hiroyuki (1440) | Lost 1-2 | -201498 |
| 3sealed | 241 | Jinbo, Takashi (1501) | Lost 0-2 | -181480 |
| 4sealed | 399 | Kawanobe, Tomoaki (1482) | Lost 0-2 | -181462 |
| 5sealed | 442 | Jones, Benjamin F (1463) | Lost 1-2 | -181444 |
| average opponent: 1472record: 1-4 | new rating: 1444 | |||