Kubo, Masahiro
Current rating: 1467
Record: 1-3-3
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | Endou, Nozomu (1465) | Lost 0-2 | -181448 |
| 2standard | 331 | Okuda, Koushi (1381) | Draw 1-1 | -11447 |
| 3standard | 311 | Inoue, Yu (1547) | Won 2-0 | +201467 |
| 4standard | 255 | Wadamori, Keisuke (1500) | Draw 1-1 | 01467 |
| average opponent: 1473record: 1-1-2 | new rating: 1467 | |||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Endou, Yuusuke (1622) | Lost 1-2 | -161484 |
| 2sealed | 118 | Ishii, Ryou (1484) | Draw 1-1 | 01484 |
| 3sealed | 119 | Kusakabe, Ryuu (1484) | Lost 1-2 | -181466 |
| average opponent: 1530record: 0-2-1 | new rating: 1466 | |||