COLLINS, BRIAN J
Current rating: 1429
Record: 1-5
| Grand Prix Portland 2013 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 193 | San Juan, Billicent (1500) | Lost 0-2 | -181446 |
| 2modern | 300 | Tsuchimochi, Hiroyoshi (1482) | Lost 0-2 | -171429 |
| average opponent: 1491record: 0-2 | new rating: 1429 | |||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Halm, Matt (1470) | Lost 1-2 | -191481 |
| 2sealed | 416 | Vitro, Teddy (1501) | Won 2-1 | +191500 |
| 3sealed | 316 | Abildayev, Filipp a (1482) | Lost 1-2 | -191481 |
| 4sealed | 483 | Ryan, Michael P (1483) | Lost 1-2 | -171464 |
| average opponent: 1484record: 1-3 | new rating: 1464 | |||