Miyamoto, Shinichi
Current rating: 1370
Record: 1-8
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Tanabe, Kazuya (1240) | Lost 1-2 | -221403 |
| 2standard | 325 | Ishikawa, Shinya (1482) | Lost 0-2 | -161387 |
| 3standard | 372 | Miyazaki, Kazuyuki (1402) | Won 2-1 | +181405 |
| 4standard | 342 | Fukui, Kentarou (1485) | Lost 1-2 | -161389 |
| 5standard | 335 | Hanawa, Atsushi (1382) | Lost 1-2 | -191370 |
| average opponent: 1398record: 1-4 | new rating: 1370 | |||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 130 | Hayashi, Masahito (1500) | Lost 1-2 | -181482 |
| 2standard | 352 | Masuno, Ryosuke (1446) | Lost 1-2 | -191463 |
| 3standard | 377 | Mochizuki, Takahito (1395) | Lost 0-2 | -191444 |
| 4standard | 423 | Katsu, Masahiro (1371) | Lost 0-2 | -191425 |
| average opponent: 1428record: 0-4 | new rating: 1425 | |||