Santos, Mark
Current rating: 1597
Record: 11-7-2
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 81 | Williamson, Sean (1500) | Won 2-1 | +191483 |
| 2extended | 79 | Meyer, Ben (1500) | Won 2-1 | +181501 |
| 3extended | 41 | Costello, Sean (1536) | Won 2-1 | +191520 |
| 4extended | 28 | Fabiano, Gerard (1834) | Won 2-1 | +231543 |
| 5extended | 9 | Stokinger, Andrew (1799) | Lost 1-2 | -131530 |
| 6extended | 111 | lackey, justin (1538) | Won 2-1 | +181548 |
| 7extended | 40 | Contos, Jace D (1712) | Lost 0-2 | -151533 |
| 8extended | 54 | Nokes, Joseph (1513) | Won 2-0 | +171550 |
| 9extended | 60 | Moore, Daniel (1575) | Won 2-0 | +191569 |
| 10extended | 34 | Dyke, Jim (1761) | Lost 0-2 | -151554 |
| 11extended | 44 | Woods, Conley (1676) | Won 2-1 | +211575 |
| 12extended | 34 | Broughan, Ryan (1542) | Draw 1-1 | -11574 |
| 13extended | 30 | Daniel, David (1661) | Lost 1-2 | -161558 |
| 14extended | 44 | Parker, Neil (1699) | Won 2-0 | +201578 |
| 15extended | 33 | Hinkle, Charles (1614) | Won 2-0 | +191597 |
| average opponent: 1631record: 10-4-1 | new rating: 1597 | |||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 3 | Bologna, Jordan J (1500) | Lost 0-2 | -181482 |
| 2block | 252 | Shatford, Walter T (1482) | Lost 1-2 | -181464 |
| 3block | 264 | Elling, Tanner (1464) | Lost 0-2 | -181446 |
| 4block | 308 | Wongsuchit, Vince (1447) | Draw 1-1 | 01446 |
| 5block | 292 | Rogers, Andrew (1445) | Won 2-0 | +181464 |
| average opponent: 1468record: 1-3-1 | new rating: 1464 | |||