Yamawaki, Takumi
Current rating: 1470
Record: 7-10
| Grand Prix Kobe 2017 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 53 | Sakamoto, Ryuutarou (1465) | Won 2-1 | +171502 |
| 2modern | 132 | Sugiyama, Yuya (1799) | Won 2-0 | +231525 |
| 3modern | 535 | Sakamoto, Masaaki (1575) | Lost 0-2 | -171508 |
| 4modern | 704 | Takahashi, Haruki 9522 (1504) | Won 2-1 | +181526 |
| 5modern | 480 | Adachi, Takaaki (1470) | Lost 0-2 | -191507 |
| 6modern | 722 | Irei, Hikaru (1488) | Lost 1-2 | -181489 |
| 7modern | 942 | Hasegawa, Yuuhei (1461) | Lost 0-2 | -191470 |
| average opponent: 1537record: 3-4 | new rating: 1470 | |||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 303 | Yamada, Takuya (1751) | Won 2-1 | +221522 |
| 4sealed | 73 | Fujita, Ryunosuke (1557) | Won 2-0 | +191541 |
| 5sealed | 143 | Nuruki, Hiroaki (1840) | Won 2-1 | +231564 |
| 6sealed | 27 | Taniguchi, Hidehisa (1799) | Lost 0-2 | -131551 |
| 7sealed | 88 | Oohashi, Toshiyuki (1712) | Lost 0-2 | -151536 |
| 8sealed | 235 | Ishizaki, Yoshiki (1539) | Won 2-0 | +181554 |
| 9sealed | 185 | Nakamura, Ryouta5022 (1571) | Lost 0-2 | -181536 |
| 10draft | 127 | Ootani, Nobuhiro (1623) | Lost 1-2 | -161520 |
| 12draft | 343 | Kaneko, Masashi (1613) | Lost 0-2 | -171503 |
| 13draft | 240 | Nose, Shunsuke (1468) | Lost 0-2 | -181485 |
| average opponent: 1647record: 4-6 | new rating: 1485 | |||