Welsh, David
Current rating: 1517
Record: 4-3
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 76 | Langschwager, Daniel (1500) | Won 0-0 | +181518 |
| 2block | 89 | Pryor, William (1518) | Lost 0-0 | -181500 |
| 3block | 72 | Bradford, Joshua (1481) | Won 0-0 | +181518 |
| 4block | 65 | Emerson, Dave (1518) | Won 0-0 | +181536 |
| 5block | 73 | Thomas-Updike, Dusty (1534) | Lost 0-0 | -181518 |
| 6block | 95 | Sierra, Pablo (1499) | Won 0-0 | +171535 |
| 7block | 63 | Monk, Derek (1536) | Lost 0-0 | -181517 |
| average opponent: 1512record: 4-3 | new rating: 1517 | |||