Chapman, Andrew
Current rating: 1616
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Conners, Bryan (1482) | Lost 0-2 | -181467 |
| 2sealed | 207 | Margolis, Max (1482) | Won 2-0 | +181485 |
| 3sealed | 187 | Cox, Patrick (1483) | Won 2-0 | +181503 |
| 4sealed | 112 | Enss, Matt (1559) | Won 2-1 | +191522 |
| 5sealed | 77 | Duerig, Thomas (1541) | Won 2-0 | +181540 |
| 6sealed | 51 | Bibby, Jennifer (1539) | Won 2-1 | +181558 |
| 7sealed | 24 | Atkin, Phil (1690) | Won 2-1 | +211579 |
| 8sealed | 16 | Lorenz, Ryan (1651) | ID | 01579 |
| 9draft | 16 | Parker, Brock (1868) | Won 2-0 | +231602 |
| 10draft | 5 | Hall, Zack (1613) | Lost 1-2 | -181584 |
| 11draft | 24 | Lieberman, Alex (1842) | Lost 1-2 | -131571 |
| 12draft | 27 | Ioli, Mark (1730) | Won 2-0 | +211592 |
| 13draft | 26 | Dean, J. Evan (1559) | Won 2-0 | +171609 |
| 14draft | 21 | Nakamura, Shuhei (1993) | Draw 1-1 | +71616 |
| top | average opponent: 1645record: 9-3-2 | new rating: 1616 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 32 | Catania, Jesse (1447) | Won 2-0 | +171499 |
| 2block | 54 | Gallimore, Seth (1518) | Won 2-0 | +191518 |
| 3block | 9 | Phillips, Cedric (1663) | Lost 0-2 | -161502 |
| 4block | 108 | Smith, Elliot (1519) | Lost 0-2 | -171485 |
| 5block | 156 | Martiniuk, Nick (1483) | Lost 1-2 | -181467 |
| 6block | 163 | Lacourse, Jean-Denis (1453) | Lost 1-2 | -191448 |
| 7block | 152 | Bauer, Jason (1463) | Won 2-1 | +191467 |
| 8block | 117 | Westfall, Robert (1483) | Won 2-0 | +181485 |
| top | average opponent: 1504record: 4-4 | new rating: 1485 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 152 | Churchill, Lee (1500) | Won 2-0 | +181518 |
| 2block | 91 | Weiford, Matt (1519) | Lost 1-2 | -181500 |
| 3block | 135 | Starling, John (1500) | Lost 1-2 | -181482 |
| 4block | 200 | Carle, Wayne (1482) | Won 2-0 | +181500 |
| 5block | 138 | Gaudard, Jason (1501) | Lost 1-2 | -181482 |
| top | average opponent: 1500record: 2-3 | new rating: 1482 | ||