Herrera, Stephen
Current rating: 1366
Record: 7-17
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1347 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 324 | Chenard, Alexandre (1507) | Won 1-0 | +211368 |
| 2sealed | 130 | Paquin, Sebastien (1664) | Won 2-1 | +231391 |
| 3sealed | 161 | Holness, Devaghat (1742) | Lost 0-2 | -121379 |
| 4sealed | 206 | Kershaw, Matthew (1655) | Lost 0-2 | -131366 |
| top | average opponent: 1642record: 2-2 | new rating: 1366 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1350 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Cote, Anthony (1500) | Won 2-0 | +211371 |
| 2sealed | 92 | Boeckmann, Trevor (1723) | Lost 0-2 | -121359 |
| 3sealed | 443 | Legare, Ian (1499) | Won 2-0 | +201379 |
| 4sealed | 153 | Bosworth, Timothy (1479) | Lost 0-2 | -161363 |
| 5sealed | 312 | Jeanson, Hayden (1454) | Lost 0-2 | -161347 |
| top | average opponent: 1531record: 2-3 | new rating: 1347 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Relihan, Ian (1584) | Lost 0-2 | -141363 |
| 2sealed | 291 | Keane, Trevor (1476) | Lost 1-2 | -161347 |
| 3sealed | 535 | Siroonian, Chris (1464) | Won 2-0 | +201367 |
| 4sealed | 445 | Milligan, Matt (1425) | Lost 0-2 | -171350 |
| top | average opponent: 1487record: 1-3 | new rating: 1350 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 337 | Palmer, Nathan (1500) | Lost 0-2 | -171410 |
| 2sealed | 503 | Murray, Ian (1479) | Lost 0-2 | -161394 |
| 3sealed | 723 | Henderson, William (1463) | Lost 0-2 | -171377 |
| top | average opponent: 1481record: 0-3 | new rating: 1377 | ||
| Grand Prix Montreal 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2149 | Fyfe, Max (1534) | Lost 0-2 | -171483 |
| 2sealed | 2437 | Fortin, Michael (1451) | Lost 0-2 | -191464 |
| 3sealed | 2579 | Pare, Cederic (1429) | Won 0-0 | +171481 |
| 4sealed | 2461 | Dagenais, Patrick (1467) | Lost 1-2 | -181463 |
| 5sealed | 2509 | Gagnacci, Jacob (1463) | Won 2-0 | +181481 |
| 6sealed | 2386 | Cyrenne, Mathieu (1577) | Lost 0-2 | -161465 |
| 7sealed | 2408 | Dennill, Josh (1537) | Lost 0-2 | -171448 |
| 8sealed | 2355 | Ouellet, Maxime (1277) | Lost 0-0 | -211427 |
| top | average opponent: 1467record: 2-6 | new rating: 1427 | ||