Coolidge, John
Current rating: 1519
Record: 4-3
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Calcano, Christian (1570) | Lost 0-2 | -171483 |
| 2sealed | 197 | Earhart, Will (1482) | Won 2-0 | +181501 |
| 3sealed | 159 | Buck, Thomas (1471) | Won 2-1 | +181519 |
| 4sealed | 119 | deRonde, Matthew (1518) | Won 2-0 | +181537 |
| 5sealed | 90 | van Heeswijk, Roel (1587) | Lost 0-2 | -171520 |
| 6sealed | 87 | Swoyer, Mark (1482) | Won 2-1 | +171537 |
| 7sealed | 73 | Chalhoub, Sharbel (1527) | Lost 0-2 | -181519 |
| 8sealed | 77 | Jesse, Zachary (1522) | ID | 01519 |
| average opponent: 1520record: 4-3-1 | new rating: 1519 | |||