Kobayashi, Atsushi
Current rating: 1535
Record: 4-2
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Mishima, Noriaki (1462) | Lost 1-2 | -191481 |
| 2sealed | 320 | Kitahara, Fumihiro (1480) | Won 2-0 | +181499 |
| 3sealed | 382 | Fukutani, Masato (1436) | Lost 1-2 | -191480 |
| 4sealed | 410 | Naono, Shuichi (1457) | Won 2-0 | +181498 |
| 5sealed | 303 | Satou, Ryota8302 (1505) | Won 2-0 | +181516 |
| 6sealed | 286 | Oikawa, Mutsuki (1560) | Won 2-1 | +191535 |
| average opponent: 1483record: 4-2 | new rating: 1535 | |||