Bruce, Robert
Current rating: 1513
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 331 | Jacobson, Josh 2 (1500) | Won 2-1 | +191466 |
| 2standard | 65 | Glasser, Roger (1484) | Lost 1-2 | -181448 |
| 3standard | 239 | Toelken, Austin (1500) | Lost 1-2 | -171431 |
| 4standard | 448 | Snyder, Justin M (1465) | Won 2-1 | +191450 |
| 5standard | 365 | Empyrion, Jade (1500) | Won 2-0 | +191469 |
| 6standard | 281 | Halim, Felix (1518) | Won 2-0 | +191488 |
| 7standard | 168 | Heiss, Nathan (1698) | Won 2-0 | +211509 |
| 8standard | 89 | Luc, John (1676) | Won 2-1 | +211530 |
| 9standard | 98 | Alnouri, Majid (1584) | Lost 0-0 | -171513 |
| top | average opponent: 1547record: 6-3 | new rating: 1513 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 15 | Toussaint, Francis (1458) | Lost 0-2 | -191464 |
| 2extended | 158 | REJANO, EJ J (1482) | Draw 1-1 | +11465 |
| 3extended | 141 | Nguyen, Calvin (1481) | Lost 0-1 | -181447 |
| top | average opponent: 1474record: 0-2-1 | new rating: 1447 | ||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 51 | Neel, Rob (1500) | Won 2-0 | +181518 |
| 2block | 46 | Wharton, Jeffrey (1500) | Lost 0-2 | -181500 |
| 3block | 54 | Gattis, David (1500) | Won 2-1 | +181518 |
| 4block | 44 | Morse-Fortier, Philip (1519) | Lost 0-2 | -181500 |
| 5block | 75 | Woodard, Eric (1498) | Won 2-1 | +181518 |
| 6block | 68 | Yelton, Taylor (1582) | Lost 0-2 | -171501 |
| 7block | 67 | Gillman Jr., Eddie (1500) | Lost 0-2 | -181483 |
| top | average opponent: 1514record: 3-4 | new rating: 1483 | ||