Koga, Masanori
Current rating: 1392
Record: 0-6
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Tajiri, Jun (1380) | Lost 0-2 | -201480 |
| 1standard | 224 | Pinyo, Wathanyu (1513) | Lost 0-2 | -181462 |
| 2standard | 404 | Kim, Gioh (1482) | Lost 1-2 | -171445 |
| 3standard | 544 | Kodama, Hironori (1498) | Lost 0-2 | -171428 |
| 4standard | 550 | Asai, Shunsuke (1445) | Lost 1-2 | -181410 |
| 5standard | 520 | Fujino, Mai (1428) | Lost 1-2 | -181392 |
| average opponent: 1458record: 0-6 | new rating: 1392 | |||