Anderson, Brett R
Current rating: 1520
Record: 13-13
| Grand Prix Portland 2018 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 475 | Peymani, Aryan (1501) | Won 2-1 | +191500 |
| 2modern | 302 | Miller, Al (1444) | Won 2-0 | +171517 |
| 3modern | 88 | Stednitz, David (1578) | Lost 0-2 | -171500 |
| 4modern | 497 | Jameson, Aeden (1537) | Lost 0-2 | -181482 |
| 5modern | 579 | Cox, Andrew (1440) | Won 2-1 | +181500 |
| 6modern | 400 | Kiyonaga, Adam (1391) | Won 2-0 | +161516 |
| 7modern | 246 | Newhouse, Jackson (1626) | Won 2-1 | +201536 |
| 8modern | 195 | Brunson, Damyan (1679) | Lost 1-2 | -161520 |
| top | average opponent: 1525record: 5-3 | new rating: 1520 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Tolleshaug, Sean (1500) | Won 2-0 | +181474 |
| 2sealed | 16 | Fleig, Sam (1518) | Won 2-1 | +191493 |
| 3sealed | 162 | Zou, Rick Y (1519) | Lost 1-2 | -171476 |
| 4sealed | 230 | Ellis, Kenneth (1655) | Lost 1-2 | -151461 |
| 5sealed | 430 | Tran, Phuong (1512) | Won 2-0 | +191480 |
| 6sealed | 324 | Ridley, Matthew (1501) | Won 1-0 | +181498 |
| 7sealed | 121 | McNutt, Chris (1551) | Lost 1-2 | -171481 |
| top | average opponent: 1537record: 4-3 | new rating: 1481 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 638 | Russ, David C (1500) | Lost 0-2 | -181490 |
| 3standard | 786 | McGinn, Trey (1598) | Lost 0-2 | -161474 |
| 4standard | 962 | Mossman, Matt (1483) | Lost 1-2 | -181456 |
| top | average opponent: 1527record: 0-3 | new rating: 1456 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 86 | Oxford, Stephen (1518) | Won 2-0 | +181518 |
| 3standard | 10 | Haney, Jeremy (1455) | Lost 0-2 | -191499 |
| 4standard | 257 | Empyrion, Jade (1518) | Won 2-1 | +191518 |
| 5standard | 208 | Lee, Valerian (1536) | Lost 1-2 | -181500 |
| 6standard | 240 | Charvat, Jason (1525) | Won 2-1 | +181518 |
| 7standard | 113 | Wilson, Andy (1538) | Won 2-0 | +191537 |
| 8standard | 123 | van Medevoort, Robert (1949) | Lost 1-2 | -111526 |
| 9standard | 154 | Virden, Jeremy (1519) | Lost 0-0 | -181508 |
| top | average opponent: 1570record: 4-4 | new rating: 1508 | ||