Herrera, Gregory
Current rating: 1466
Record: 18-22-2
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 81 | McCarroll, John (1537) | Lost 0-2 | -181482 |
| 3standard | 507 | Huber, Katrina (1515) | Lost 0-2 | -171465 |
| 4standard | 470 | Henkel, Spencer (1490) | Won 2-1 | +181483 |
| 5standard | 385 | Osman, Evan (1501) | Lost 1-2 | -171466 |
| top | average opponent: 1511record: 1-3 | new rating: 1466 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 147 | Berriodi, Marco (1518) | Lost 0-2 | -181485 |
| 3sealed | 356 | Title, Harper (1500) | Won 2-1 | +181503 |
| 4sealed | 377 | Holcomb, John (1452) | Won 2-0 | +171520 |
| 5sealed | 289 | Romao, Carlos (1887) | Lost 1-2 | -111509 |
| 6sealed | 346 | Takahashi, Yuta (2049) | Lost 1-2 | -91500 |
| top | average opponent: 1681record: 2-3 | new rating: 1500 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 298 | Williams, Tristin (1473) | Lost 1-2 | -191465 |
| 2standard | 281 | Lor, Bee (1481) | Won 2-1 | +191484 |
| 3standard | 239 | Klish, Owen (1498) | Won 2-1 | +181502 |
| 4standard | 340 | Patchell, John (1458) | Won 2-1 | +171519 |
| 5standard | 188 | Bulger, Tim (1620) | Won 2-1 | +201539 |
| 6standard | 107 | Hand, Tyler (1543) | Won 2-0 | +181557 |
| 7standard | 72 | Orange, Gregory (1971) | Won 2-0 | +251582 |
| 8standard | 40 | Lo, Shong (1562) | Lost 1-2 | -181564 |
| 9standard | 71 | Schmidt, Tyler (1584) | Lost 1-2 | -181546 |
| 10standard | 595 | Roti Roti, Joseph (1575) | Lost 1-2 | -171529 |
| 11standard | 610 | Liu, Richard (1755) | Lost 0-2 | -141515 |
| 12standard | 601 | Tickal, Matthew (1648) | Won 2-0 | +201535 |
| 13standard | 568 | Antrop-Colon, Francois (1539) | Draw 1-1 | 01535 |
| 14standard | 564 | Gaffner, Randall (1511) | Lost 1-2 | -181517 |
| 15standard | 561 | Llodra, Juan Pablo (1735) | Lost 0-2 | -141503 |
| top | average opponent: 1597record: 7-7-1 | new rating: 1503 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Betts, Michael (1500) | Lost 1-2 | -171463 |
| 2sealed | 405 | Small, Brandon (1481) | Won 2-0 | +181481 |
| 3sealed | 340 | Rollins, Shane (1507) | Won 2-0 | +181499 |
| 4sealed | 370 | Smith Jr, Greg (1523) | Lost 0-2 | -171482 |
| 5sealed | 328 | Tapio, Kyle (1502) | Lost 1-2 | -181464 |
| 6sealed | 402 | Kline, Andy (1470) | Won 2-1 | +181482 |
| 7sealed | 295 | Foss, Keith (1484) | Won 2-1 | +181500 |
| 8sealed | 267 | Carlson, Cody (1521) | Draw 1-1 | +11501 |
| 9sealed | 262 | Pernankil, Avenash (1557) | Lost 0-2 | -171484 |
| top | average opponent: 1505record: 4-4-1 | new rating: 1484 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Woodward, Scott (1500) | Lost 0-2 | -181482 |
| 2standard | 436 | Aspiras, Micah (1482) | Won 2-1 | +181500 |
| 3standard | 418 | Puffer, Jon (1397) | Won 2-1 | +161516 |
| 4standard | 390 | Kuhn, Bobby (1518) | Lost 0-2 | -181498 |
| 5standard | 395 | Dobson, Blaine (1499) | Lost 1-2 | -181480 |
| 6standard | 581 | Hoffman, Ethan (1481) | Lost 1-2 | -181462 |
| 7standard | 517 | McKenzie, Tyler (1464) | Won 1-0 | +181480 |
| 8standard | 404 | Stonestreet, Taylor (1563) | Lost 0-2 | -161464 |
| 9standard | 355 | Kizuka, Jeremy (1376) | Won 2-1 | +161480 |
| top | average opponent: 1476record: 4-5 | new rating: 1480 | ||