Martens, Joey R
Current rating: 1512
Record: 11-12-1
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Schutz, Cory (1500) | Lost 0-2 | -181433 |
| 2standard | 304 | Dotson, Andrew (1483) | Won 2-1 | +191452 |
| 3standard | 218 | Gorz, Philip (1504) | Won 2-0 | +191471 |
| 4standard | 251 | Hurst, Kevin (1519) | Won 2-1 | +191490 |
| 5standard | 184 | Seagroves, Jeff W (1535) | Won 2-1 | +191509 |
| 6standard | 106 | Wise, Steve (1580) | Lost 1-2 | -171492 |
| 7standard | 135 | Watts, Lawrence (1565) | Won 2-1 | +201512 |
| 8standard | 128 | Hill, Antoneo (1508) | Lost 1-2 | -181494 |
| 9standard | 123 | King, Mason (1498) | Won 2-0 | +181512 |
| top | average opponent: 1521record: 6-3 | new rating: 1512 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 640 | Meier, Dave (1637) | Lost 1-2 | -141443 |
| 2standard | 923 | Jennings, Travis (1482) | Won 2-1 | +181461 |
| 3standard | 803 | Molloie, Zachary P (1502) | Won 2-1 | +191480 |
| 4standard | 777 | Tautic, Raymond (1822) | Lost 0-2 | -121468 |
| 5standard | 851 | Took, Adam (1499) | Lost 1-2 | -171451 |
| top | average opponent: 1588record: 2-3 | new rating: 1451 | ||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Blake, Evan (1464) | Won 2-1 | +181492 |
| 2sealed | 167 | Ho, John Y (1581) | Draw 1-1 | +21494 |
| 3sealed | 148 | De Michele, David (1499) | Lost 0-2 | -181476 |
| 4sealed | 273 | Burkhold, Zack (1501) | Won 2-0 | +181494 |
| 5sealed | 196 | Armes, Joe (1501) | Lost 0-2 | -181476 |
| 6sealed | 245 | Himes, Chad (1427) | Lost 0-2 | -191457 |
| top | average opponent: 1495record: 2-3-1 | new rating: 1457 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 40 | Kastner, Donald (1940) | Lost 0-2 | -101490 |
| 5sealed | 153 | Dubois, Joe (1488) | Lost 0-2 | -181472 |
| 6sealed | 156 | Bobek, Brian (1568) | Won 2-0 | +191491 |
| 7sealed | 81 | Stuhlman, Asher L (1539) | Lost 1-2 | -171474 |
| top | average opponent: 1634record: 1-3 | new rating: 1474 | ||