Vicars, Mark A
Current rating: 1486
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 310 | Clark, Zac (1471) | Won 2-0 | +181493 |
| 4legacy | 194 | Southwick, Joshua (1491) | Won 2-0 | +181511 |
| 5legacy | 36 | Musser, Dan (1876) | Lost 0-2 | -121499 |
| 6legacy | 221 | Komar, Greg (1553) | Won 2-1 | +191518 |
| 7legacy | 106 | Baxter, Richard (1553) | Lost 0-2 | -171501 |
| 8legacy | 149 | Fitzgerald, David A (1666) | Lost 0-2 | -151486 |
| top | average opponent: 1602record: 3-3 | new rating: 1486 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 801 | Ward, Dwight D (1553) | Won 2-0 | +201503 |
| 5sealed | 739 | Musser, Dan (1802) | Lost 0-2 | -131490 |
| 6sealed | 774 | Williams, Sam (1602) | Lost 0-2 | -161474 |
| 7sealed | 806 | Baker, Wayne (1510) | Won 2-1 | +191493 |
| 8sealed | 366 | Song, John (1500) | Lost 0-2 | -181475 |
| top | average opponent: 1593record: 2-3 | new rating: 1475 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 588 | Long, Laura (1500) | Won 2-0 | +181518 |
| 2sealed | 515 | Davis, Shawn (1518) | Lost 0-2 | -181500 |
| 3sealed | 646 | Andreev, Dennis (1466) | Won 2-0 | +171517 |
| 4sealed | 605 | Rietze, Robert (1648) | Lost 1-2 | -151502 |
| 5sealed | 636 | Roshto, Anthony (1485) | Lost 0-2 | -191483 |
| top | average opponent: 1524record: 2-3 | new rating: 1483 | ||