Martin, Ruben
Current rating: 1469
Record: 12-15
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 394 | Pham, Thomas (1500) | Lost 0-2 | -181488 |
| 2modern | 491 | Eubanks, Clint (1468) | Lost 0-2 | -181470 |
| 3modern | 653 | Baca, Megan (1463) | Lost 1-2 | -181452 |
| 4modern | 638 | Farrell, William (1471) | Won 2-0 | +181470 |
| 5modern | 531 | Morgan, William (1421) | Won 2-0 | +171487 |
| 6modern | 512 | Taveau, Christopher (1452) | Lost 1-2 | -181469 |
| top | average opponent: 1462record: 2-4 | new rating: 1469 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 293 | Clayton, Drew (1500) | Won 2-0 | +191489 |
| 2modern | 51 | Lebedowicz, Osyp (1965) | Won 2-1 | +261515 |
| 3modern | 96 | Hallock, Mark (1551) | Won 2-1 | +191534 |
| 4modern | 59 | Moreno, Raine (1596) | Won 2-0 | +191553 |
| 5modern | 72 | Lee, Brian (1748) | Lost 0-2 | -151538 |
| 6modern | 170 | Wiper, Charles (1749) | Lost 1-2 | -141524 |
| 7modern | 348 | Baros, Zach (1505) | Lost 0-2 | -181506 |
| 8modern | 412 | DiChello, Michael (1526) | Won 2-0 | +181524 |
| 9modern | 233 | Jumper, Marvin (1538) | Lost 1-2 | -181506 |
| top | average opponent: 1631record: 5-4 | new rating: 1506 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Knighton, Nick (1500) | Won 2-1 | +191484 |
| 2sealed | 239 | Cortes, William F (1444) | Won 2-0 | +171501 |
| 3sealed | 26 | Lege, Corey (1557) | Lost 0-2 | -171484 |
| 4sealed | 162 | Conrad, James (1536) | Won 2-0 | +191503 |
| 5sealed | 202 | Abdullahad, David (1484) | Lost 1-2 | -191484 |
| 6sealed | 210 | Bruno, David (1519) | Lost 1-2 | -171467 |
| 7sealed | 272 | Jung, Sang (1569) | Won 2-0 | +201487 |
| 8sealed | 172 | Smith, Kyle 1962 (1573) | Lost 0-2 | -171470 |
| top | average opponent: 1523record: 4-4 | new rating: 1470 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Jacobo, Roman (1500) | Lost 0-2 | -181482 |
| 2standard | 462 | Fox, Chase (1482) | Lost 0-2 | -181464 |
| 3standard | 488 | Darusman, Donny (1464) | Won 2-1 | +181482 |
| 4standard | 476 | Steele, Derrick (1530) | Lost 0-2 | -171465 |
| top | average opponent: 1494record: 1-3 | new rating: 1465 | ||