Carroll, Mark
Current rating: 1528
Record: 9-8-2
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Raymo, Thomas (1464) | Won 2-0 | +171520 |
| 2sealed | 73 | Short, Michael (1481) | Draw 1-1 | 01520 |
| 3sealed | 91 | Rodriguez, Erik (1469) | Lost 0-2 | -191501 |
| 4sealed | 194 | Tsao, Dennis (1531) | Won 2-1 | +181519 |
| 5sealed | 136 | Patton, Brandon (1517) | Won 2-0 | +181537 |
| 6sealed | 94 | Harvey, Eugene (2049) | Lost 0-2 | -91528 |
| top | average opponent: 1585record: 3-2-1 | new rating: 1528 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Schamun, Donald (1500) | Won 2-1 | +181540 |
| 2sealed | 70 | Cowley, Steven (1569) | Lost 0-2 | -181522 |
| 3sealed | 135 | Herkner, Chris (1450) | Lost 1-2 | -191503 |
| top | average opponent: 1507record: 1-2 | new rating: 1503 | ||
| Grand Prix Philadelphia 2000 (extended) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Davis, Kevin (1500) | Draw 0-0 | +11464 |
| 2extended | 146 | Lyons, Paul (1499) | Won 0-0 | +191483 |
| 3extended | 91 | Douglass, Morgan (1518) | Lost 0-0 | -181465 |
| 4extended | 172 | Hertog, Seth (1500) | Won 0-0 | +191484 |
| 5extended | 115 | Abueg, John (1518) | Won 0-0 | +181502 |
| 6extended | 72 | Auer, Jeffrey (1484) | Lost 0-0 | -181484 |
| 7extended | 99 | Calkins, Mark (1520) | Won 0-0 | +191503 |
| 8extended | 67 | Coggins, Alice (1579) | Won 0-0 | +191522 |
| top | average opponent: 1515record: 5-2-1 | new rating: 1522 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Pilnick, Michael (1456) | Lost 0-0 | -191481 |
| 3sealed | 108 | Fein, Richard (1482) | Lost 0-0 | -181463 |
| top | average opponent: 1469record: 0-2 | new rating: 1463 | ||