Bruner, Nathan
Current rating: 1414
Record: 4-9
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Endo, Akiteru (1500) | Lost 0-2 | -171448 |
| 2sealed | 409 | Chiba, Shouhei (1481) | Won 2-1 | +181466 |
| 3sealed | 201 | Hoshino, Hiroyuki (1525) | Lost 0-2 | -171449 |
| 4sealed | 459 | Muramatsu, Yasuhiro (1403) | Won 2-1 | +171466 |
| 5sealed | 368 | Takeda, Daisuke (1481) | Lost 0-2 | -171449 |
| 6sealed | 345 | Sekizawa, Takayuki (1477) | Lost 1-2 | -181431 |
| 7sealed | 283 | Fujimoto, Keiji (1446) | Lost 0-2 | -171414 |
| average opponent: 1473record: 2-5 | new rating: 1414 | |||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 361 | Ohno, Yuki (1500) | Lost 0-2 | -181482 |
| 2modern | 457 | Ishihara, Takashi (1569) | Won 2-0 | +201502 |
| 3modern | 536 | Ono, Tomonori (1482) | Lost 0-2 | -191483 |
| 4modern | 596 | Ito, Shiniti (1483) | Lost 1-2 | -181465 |
| 5modern | 615 | Miura, Daisuke (1466) | Won 2-1 | +181483 |
| 6modern | 541 | Tsuchiya, Hiroki (1468) | Lost 0-2 | -181465 |
| average opponent: 1495record: 2-4 | new rating: 1465 | |||