Troost, David
Current rating: 1448
Record: 1-4-1
| Grand Prix Philadelphia 2000 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 114 | Gordon, Joseph (1500) | Lost 0-0 | -171447 |
| 2extended | 214 | Lovin, Mark (1446) | Draw 0-0 | 01447 |
| 3extended | 213 | Budnick, Christopher (1482) | Won 0-0 | +181465 |
| 4extended | 178 | Rose, Chuck (1500) | Lost 0-0 | -171448 |
| average opponent: 1482record: 1-2-1 | new rating: 1448 | |||
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 112 | Woodall, Dane (1500) | Lost 0-0 | -181482 |
| 2block | 136 | Lyons, Bryan (1482) | Lost 0-0 | -181464 |
| average opponent: 1491record: 0-2 | new rating: 1464 | |||