Gresbach, Mark
Current rating: 1612
Record: 11-6-2
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 135 | Petersen, Patrick (1500) | Won 2-0 | +181522 |
| 2extended | 80 | Bonner, Bob (1464) | Won 2-0 | +171539 |
| 3extended | 38 | Karelin, Alex (1536) | Won 2-1 | +181557 |
| 4extended | 26 | Turian, Michael (1882) | Won 2-0 | +241581 |
| 5extended | 29 | Davis, Chris (1711) | Draw 1-1 | +21583 |
| 6extended | 21 | Rubin, Benjamin (1912) | Lost 0-2 | -121571 |
| 7extended | 42 | Beacham, Steve (1573) | Won 2-0 | +181589 |
| 8extended | 26 | Stoltzfus, Timothy (1552) | Lost 1-2 | -191570 |
| 9extended | 30 | Benafel, Chris (1841) | Draw 1-1 | +51575 |
| 10extended | 28 | Shuler, John (1519) | Won 2-1 | +171592 |
| 11extended | 23 | Sharma, Arun (1506) | Won 2-0 | +171609 |
| 12extended | 16 | Davis, Brian (1836) | Lost 0-2 | -141595 |
| 13extended | 22 | Hron, Mike (1560) | Won 2-1 | +171612 |
| average opponent: 1645record: 8-3-2 | new rating: 1612 | |||
| Grand Prix Minneapolis 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 42 | Saastad, Jason (1518) | Won 2-0 | +181518 |
| 3block | 30 | Rierson, Randall (1502) | Lost 1-2 | -181500 |
| 4block | 115 | Heiss, Nathan (1698) | Lost 1-2 | -141486 |
| 5block | 119 | Smith, Joshua (1494) | Lost 0-2 | -181468 |
| 6block | 131 | Biller, Jack (1482) | Won 2-0 | +181486 |
| 7block | 85 | Gunderson, Adam (1499) | Won 2-0 | +181504 |
| average opponent: 1532record: 3-3 | new rating: 1504 | |||