Lyons, David
Current rating: 1519
Record: 4-3
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Hooper, Geoff (1500) | Lost 0-0 | -181482 |
| 2block | 137 | Morris, Steven (1517) | Lost 0-0 | -171465 |
| 3block | 156 | Mink, James (1464) | Won 0-0 | +181483 |
| 4block | 127 | Foster, James (1483) | Lost 0-0 | -181465 |
| 5block | 132 | Kimball, Ted (1464) | Won 0-0 | +181483 |
| 6block | 111 | Lewis, Oddie (1482) | Won 0-0 | +181501 |
| 7block | 77 | Emerson, Dave (1499) | Won 0-0 | +181519 |
| average opponent: 1487record: 4-3 | new rating: 1519 | |||