Herrera, Gerardo
Current rating: 1351
| Grand Prix Charlotte 2016 (modern) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 229 | Rosenfeld, Ian (1601) | Lost 0-2 | -141381 |
| 2modern | 925 | Sirkis, David (1505) | Lost 0-2 | -161365 |
| 3modern | 1057 | Moore, Joshua (1445) | Draw 1-1 | +21367 |
| 4modern | 1046 | Cunningham, Cory (1479) | Lost 0-2 | -161351 |
| top | average opponent: 1507record: 0-3-1 | new rating: 1351 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 873 | Obrascovs, Felix (1423) | Lost 0-2 | -181429 |
| 2modern | 737 | Gallina, Jon Paul (1499) | Lost 1-2 | -171412 |
| 3modern | 1132 | Heck, Alex (1464) | Lost 0-2 | -171395 |
| top | average opponent: 1462record: 0-3 | new rating: 1395 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 57 | Arney, Jordan (1500) | Lost 0-2 | -181482 |
| 2modern | 499 | Weigel, Eric (1565) | Lost 0-2 | -161466 |
| 3modern | 498 | Chu, Jian (1463) | Lost 0-2 | -191447 |
| top | average opponent: 1509record: 0-3 | new rating: 1447 | ||