Slapak, Mark
Current rating: 1409
Record: 0-0 (GP) / 3-9 (professional)
| Pro Tour Chicago 1999 (extended) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 85 | Radonjic, Peter (1553) | Lost 0-1 | -161395 |
| 2extended | 154 | Fleischman, Sean (1592) | Won 2-0 | +221417 |
| 3extended | 88 | Stammerjohan, William (1502) | Lost 0-2 | -171400 |
| 4extended | 105 | Hernandez, Marc [FRA] (1727) | Won 2-0 | +241424 |
| 5extended | 109 | Lameirao, Franck (1492) | Won 2-0 | +191443 |
| 6extended | 43 | Jensen, Cory (1507) | Lost 1-2 | -171426 |
| 7extended | 80 | Bouloc, Yannick (1448) | Lost 0-2 | -171409 |
| average opponent: 1546record: 3-4 | new rating: 1409 | |||
| Pro Tour Los Angeles 1998 (Tempest block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 85 | Ver, Roger (1500) | Lost 0-0 | -181482 |
| 2block | 129 | Edwards, Rudy (1482) | Lost 0-0 | -181464 |
| 3block | 152 | Roth, Dirk (1464) | Lost 0-0 | -181446 |
| 5block | 129 | Kotwica, Ron (1464) | Lost 0-0 | -181428 |
| 6block | 126 | Harrison, Charles (1446) | Lost 0-0 | -171411 |
| average opponent: 1471record: 0-5 | new rating: 1411 | |||