Guerrero, David N
Current rating: 1464
Record: 1-3
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 42 | Anderson, Tyler (1510) | Lost 1-2 | -181482 |
| 2block | 171 | McNamee, Matt (1481) | Lost 1-2 | -181464 |
| 3block | 244 | Chilcoat, Nathaniel D (1464) | Won 2-1 | +181482 |
| 4block | 207 | Nolen, Tyler (1482) | Lost 0-2 | -181464 |
| average opponent: 1484record: 1-3 | new rating: 1464 | |||