O., Masanori
Current rating: 1528
Record: 5-4
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 109 | M., Kyouhei (1500) | Won 2-0 | +181518 |
| 2extended | 132 | Onoda, Hiroshi (1527) | Won 2-0 | +181536 |
| 3extended | 91 | Okada, Keita (1467) | Lost 0-2 | -191517 |
| 4extended | 126 | Tomizawa, Yuusuke (1487) | Won 2-0 | +171534 |
| 5extended | 101 | Yabuta, Junichi (1653) | Lost 0-2 | -151519 |
| 6extended | 153 | Kuroda, Masashiro (2008) | Lost 0-2 | -101509 |
| 7extended | 182 | Niihama, Tatsuo (1596) | Won 2-0 | +191528 |
| 8extended | 114 | Tsuta, Naoto (1559) | Lost 1-2 | -171511 |
| 9extended | 104 | Yokono, Yuusuke (1477) | Won 2-1 | +171528 |
| average opponent: 1586record: 5-4 | new rating: 1528 | |||