Obitsu, Kimihiko
Current rating: 1511
Record: 6-6
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Moriya, Yuta (1480) | Lost 1-2 | -191489 |
| 2standard | 743 | Satou, Ryouta (1661) | Won 2-0 | +211510 |
| 3standard | 984 | Hirosawa, Takahiro (1501) | Won 2-1 | +181528 |
| 4standard | 493 | Ishihara, Koji (1577) | Won 2-0 | +191547 |
| 5standard | 307 | Okada, Hajime (1392) | Lost 0-2 | -211526 |
| 6standard | 594 | Koshimura, Takeshi (1654) | Lost 0-2 | -151511 |
| average opponent: 1544record: 3-3 | new rating: 1511 | |||
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 181 | Yang, Joshua (1925) | Won 2-0 | +251525 |
| 2modern | 42 | Liao, Yi-Nan (1537) | Won 2-0 | +191544 |
| 3modern | 140 | Okto, Dimas (1500) | Lost 0-2 | -191525 |
| 4modern | 262 | Pramana, Indra (1612) | Won 2-0 | +191544 |
| 5modern | 88 | Andreas, Billy (1541) | Lost 0-2 | -181526 |
| 6modern | 304 | Go, Patrick John (1501) | Lost 0-2 | -181508 |
| average opponent: 1603record: 3-3 | new rating: 1508 | |||