Yamakage, Takehiro
Current rating: 1518
Record: 5-4
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Yokoyama, Jun'ichi (1500) | Won 2-1 | +181518 |
| 2sealed | 45 | freeman, Donald (1518) | Won 2-0 | +181536 |
| 3sealed | 23 | Nakagawa, Jin (1534) | Lost 1-2 | -181518 |
| 4sealed | 135 | Morita, Susumu (1567) | Lost 0-2 | -171501 |
| 5sealed | 336 | Tanahashi, Hirofumi (1466) | Lost 1-2 | -191482 |
| 6sealed | 324 | Oshima, Shimpei (1485) | Won 2-0 | +181500 |
| 7sealed | 228 | Mitsumori, Masahiko (1548) | Won 2-1 | +191519 |
| 8sealed | 325 | Satou, Fumihiko (1453) | Won 2-0 | +171536 |
| 9sealed | 321 | Ishizaki, Taito (1532) | Lost 1-2 | -181518 |
| average opponent: 1511record: 5-4 | new rating: 1518 | |||