Herrera, Matthew
Current rating: 1527
Record: 9-8
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 318 | Hancock, Joshua (1500) | Won 2-0 | +171540 |
| 2modern | 172 | Koshak, Jacob (1518) | Lost 1-2 | -181522 |
| 3modern | 311 | Fuquay, Ronald (1500) | Lost 0-2 | -191503 |
| 4modern | 581 | Medley, Jacob (1668) | Won 2-0 | +211524 |
| 5modern | 392 | Seunsom, Ryan (1431) | Won 2-0 | +171541 |
| 6modern | 273 | Miller, Ty (1472) | Lost 1-2 | -201521 |
| 7modern | 364 | Wolbers, Andrew (1758) | Won 2-0 | +231544 |
| 8modern | 352 | Krumholz, Michael (1627) | Lost 1-2 | -171527 |
| average opponent: 1559record: 4-4 | new rating: 1527 | |||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Loper, Johnathan (1483) | Lost 0-2 | -181482 |
| 2modern | 763 | Salamat, Amir (1650) | Lost 0-2 | -151467 |
| 3modern | 935 | Cornell, Jason (1636) | Won 2-1 | +211488 |
| 4modern | 799 | Donelson, Erik (1352) | Won 2-1 | +151503 |
| 5modern | 587 | Haglund, Leighton (1534) | Lost 1-2 | -171486 |
| 6modern | 659 | Flotte, Roberto (1485) | Won 2-1 | +181504 |
| 7modern | 669 | Petkov, Kaloyan (1414) | Lost 1-2 | -201484 |
| 8modern | 617 | Lentz, Jared (1589) | Won 2-1 | +201504 |
| 9modern | 428 | Mohns, Brett (1529) | Won 2-1 | +191523 |
| average opponent: 1519record: 5-4 | new rating: 1523 | |||