Martins, Matthew
Current rating: 1394
Record: 1-7
| Grand Prix Hartford 2018 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 568 | Lazzaro, John (1470) | Lost 1-2 | -181429 |
| 2modern | 433 | Slabicky, Yuriy (1478) | Lost 0-2 | -171412 |
| 3modern | 785 | Brodsky, Roman (1405) | Lost 1-2 | -181394 |
| average opponent: 1451record: 0-3 | new rating: 1394 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Johnson, Philip E (1500) | Won 2-0 | +181518 |
| 2sealed | 143 | Li, Chen (1546) | Lost 0-2 | -171501 |
| 3sealed | 190 | Dillich, Frank R (1504) | Lost 0-2 | -181483 |
| 4sealed | 286 | Chin, Richard (1483) | Lost 0-2 | -181465 |
| 5sealed | 270 | Smolensky, Nathan (1465) | Lost 0-2 | -181447 |
| average opponent: 1499record: 1-4 | new rating: 1447 | |||