Ogawa, Tomonari
Current rating: 1432
Record: 4-8
| Grand Prix Yokohama 2012 (modern) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Tamaru, Masashi (1399) | Won 2-1 | +171444 |
| 2modern | 265 | Itabashi, Ryo (1518) | Lost 0-2 | -161428 |
| 3modern | 497 | Umemura, Hideaki (1487) | Won 2-0 | +191447 |
| 4modern | 281 | Ishii, Masashi (1451) | Won 2-1 | +181465 |
| 5modern | 300 | Abe, Hiroyuki (1537) | Lost 0-2 | -171448 |
| 6modern | 355 | Mochizuki, Yuusuke (1555) | Lost 0-2 | -161432 |
| average opponent: 1491record: 3-3 | new rating: 1432 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 153 | Sugimoto, Hiroaki (1452) | Lost 0-2 | -191481 |
| 2extended | 449 | Ihara, Kazuki (1482) | Lost 1-2 | -181463 |
| 3extended | 466 | Kawakami, Yuusuke (1463) | Won 2-0 | +181481 |
| 4extended | 444 | Takashimizu, Makoto (1483) | Lost 0-2 | -181463 |
| 5extended | 406 | Tamura, Satoshi (1465) | Lost 0-2 | -181445 |
| 6extended | 364 | Kasagi, Daisuke (1429) | Lost 0-2 | -181427 |
| average opponent: 1462record: 1-5 | new rating: 1427 | |||