Martha, KC A
Current rating: 1377
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Jackson, Terrence (1449) | Lost 1-2 | -171377 |
| top | record: 0-1 | new rating: 1377 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Maloch, Grayson (1500) | Lost 0-2 | -181446 |
| 2standard | 246 | Bennett, Jay A (1481) | Lost 0-2 | -171429 |
| 3standard | 363 | David, Noel (1464) | Lost 1-2 | -171412 |
| 4standard | 371 | Smith, Scott (1428) | Lost 0-2 | -181394 |
| top | average opponent: 1468record: 0-4 | new rating: 1394 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 54 | Backman, Kyle D (1481) | Won 2-1 | +181518 |
| 2extended | 42 | Nadurath, Tahir A (1518) | Lost 0-2 | -181500 |
| 3extended | 196 | Lopez, Daniel O (1500) | Lost 0-2 | -181482 |
| 4extended | 260 | Nordin, Berek A (1480) | Lost 0-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||