McKenzie, Mark
Current rating: 1447
Record: 3-6-1
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 27 | Gowda, Naveen (1500) | Lost 0-2 | -181464 |
| 2extended | 162 | Mann, Michael (1482) | Draw 1-1 | +11465 |
| 3extended | 159 | Thompson, Keith (1482) | Lost 0-2 | -181447 |
| average opponent: 1488record: 0-2-1 | new rating: 1447 | |||
| Grand Prix Phoenix 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 27 | Callenback, Avery (1500) | Lost 1-2 | -181482 |
| 2extended | 55 | Armes, Gary (1482) | Won 2-1 | +181500 |
| 3extended | 38 | James, Lephi (1500) | Lost 0-2 | -181482 |
| 4extended | 91 | Milyard, Ray (1482) | Lost 0-2 | -181464 |
| 5extended | 90 | Coullandreau, Remy (1464) | Won 2-0 | +181482 |
| 6extended | 76 | Febles, Carlos (1481) | Won 2-1 | +181500 |
| 7extended | 59 | Zabrowski, Chris (1497) | Lost 0-2 | -181482 |
| average opponent: 1487record: 3-4 | new rating: 1482 | |||