Martinez, David R
Current rating: 1374
Record: 6-15-2
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 126 | Ferguson, Charles (1589) | Lost 0-2 | -151407 |
| 3sealed | 420 | Palmer, Andy (1501) | Lost 1-2 | -161391 |
| 4sealed | 560 | Patrick, Douglas (1465) | Lost 1-2 | -171374 |
| top | average opponent: 1518record: 0-3 | new rating: 1374 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 190 | Quintanilla, Emilio (1535) | Won 2-0 | +211424 |
| 4standard | 1 | Martinoz, Mason m (1500) | Won 2-0 | +191443 |
| 5standard | 41 | Jephson, Wiley (1591) | Lost 1-2 | -151428 |
| 6standard | 153 | Trowbridge, Steven (1553) | Lost 1-2 | -161412 |
| 7standard | 191 | Jones, Christopher L (1519) | Won 2-0 | +201432 |
| 8standard | 102 | Villasenor, Clark (1504) | Lost 1-2 | -171415 |
| 9standard | 128 | Chen, Lokman (1791) | Draw 1-1 | +71422 |
| top | average opponent: 1570record: 3-3-1 | new rating: 1422 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 10 | Calcano, Christian (1763) | Lost 0-2 | -131489 |
| 5sealed | 170 | Brown, Dillon (1534) | Lost 1-2 | -181471 |
| 6sealed | 292 | Epley, Alan (1577) | Lost 0-2 | -161455 |
| 7sealed | 273 | Cao, Richard (1500) | Lost 0-2 | -171438 |
| 8sealed | 241 | Loving, Tyler (1466) | Lost 1-2 | -171421 |
| 9sealed | 208 | Maroney, Bryan (1451) | Lost 1-2 | -181403 |
| top | average opponent: 1549record: 0-6 | new rating: 1403 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | Roach, Paul (1500) | Draw 1-1 | 01500 |
| 2sealed | 356 | Petsche, Shawn (1500) | Won 2-1 | +181518 |
| 3sealed | 201 | Biery, Emi (1518) | Lost 0-2 | -181500 |
| 4sealed | 400 | Alvarado, Anthony (1515) | Won 2-0 | +181518 |
| 5sealed | 272 | Hawley, Bryan (1500) | Won 2-0 | +181536 |
| 6sealed | 169 | Stitt, Robert (1536) | Lost 0-2 | -181518 |
| 7sealed | 251 | Borges, Bruno (1630) | Lost 0-2 | -161502 |
| top | average opponent: 1528record: 3-3-1 | new rating: 1502 | ||