Isber, Bruce
Current rating: 1455
Record: 8-11
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Hernandez, Charles Desmond (1500) | Won 2-0 | +191489 |
| 2sealed | 140 | Feng, Longshen (1660) | Lost 1-2 | -151474 |
| 3sealed | 288 | Trakulsuk, Kawin (1531) | Lost 1-2 | -171457 |
| 4sealed | 351 | Lim, Rey (1465) | Won 2-0 | +181475 |
| 5sealed | 294 | Liang, Xushuang (1390) | Lost 0-2 | -201455 |
| top | average opponent: 1509record: 2-3 | new rating: 1455 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Boulianne, Brian (1514) | Won 2-1 | +191505 |
| 2sealed | 196 | Harvey, Dominic (1566) | Lost 0-2 | -171488 |
| 3sealed | 402 | Torres, Bianca (1537) | Lost 1-2 | -171471 |
| 4sealed | 428 | Sutherland, Kyle (1449) | Won 2-1 | +171488 |
| 5sealed | 390 | Janc, Slawomir (1483) | Lost 1-2 | -181470 |
| top | average opponent: 1510record: 2-3 | new rating: 1470 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Hahn, Alex (1437) | Won 2-0 | +171521 |
| 2sealed | 305 | Amos, Chris (1518) | Won 2-0 | +181539 |
| 3sealed | 138 | Heakins, Jason (1411) | Lost 0-2 | -211518 |
| 4sealed | 197 | D'Ambrose, Nicolas (1747) | Lost 0-2 | -131505 |
| 5sealed | 438 | Prieur, Philippe (1482) | Lost 0-2 | -191486 |
| top | average opponent: 1519record: 2-3 | new rating: 1486 | ||
| Grand Prix Montreal 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2327 | Suzuki, Ian (1482) | Won 2-0 | +181518 |
| 2sealed | 2193 | Joseph-Pare, Bertrand (1567) | Lost 0-2 | -171501 |
| 3sealed | 2340 | Garant-Rousseau, Guillaume (1695) | Lost 0-0 | -151486 |
| 4sealed | 2540 | Audet, Marc (1482) | Won 2-0 | +181504 |
| top | average opponent: 1557record: 2-2 | new rating: 1504 | ||