Yamaguchi, Eiki
Current rating: 1501
Record: 1-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 261 | Takahashi, Keiji (1511) | Won 2-0 | +181518 |
| 2extended | 45 | Okada, Takuya (1563) | Lost 0-2 | -171501 |
| average opponent: 1537record: 1-1 | new rating: 1501 | |||