Villarreal, Mario
Current rating: 1459
Record: 10-13-1
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 318 | Antonelli, Matthew (1511) | Lost 0-2 | -181472 |
| A2sealed | 603 | Sullivan, Caleb (1652) | Won 2-1 | +221494 |
| A3sealed | 242 | Stewart, Samuel (1465) | Lost 0-2 | -191475 |
| A4sealed | 373 | Yueh, Edward (1571) | Lost 0-2 | -161459 |
| top | average opponent: 1550record: 1-3 | new rating: 1459 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 276 | Pedroza, Maxwell (1500) | Lost 1-2 | -181492 |
| 2sealed | 665 | Head, Ron (1481) | Lost 1-2 | -181474 |
| 3sealed | 810 | Pottinger, Trevor (1465) | Won 2-0 | +181492 |
| 4sealed | 643 | Knadler, Johnny (1448) | Won 2-1 | +171509 |
| 5sealed | 688 | Luna, Richard (1459) | Lost 0-2 | -191490 |
| top | average opponent: 1471record: 2-3 | new rating: 1490 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 417 | Johnson, Cailean (1500) | Won 2-0 | +181521 |
| 2standard | 286 | Lee, James (1524) | Won 2-0 | +181539 |
| 3standard | 300 | Hernandez, Trent (1503) | Lost 0-2 | -191520 |
| 4standard | 305 | Alvord IV, Charles (1500) | Won 2-1 | +181538 |
| 5standard | 365 | Smith, Donald (1931) | Lost 1-2 | -111527 |
| 6standard | 498 | Pence, Matthew (1524) | Draw 1-1 | 01527 |
| 7standard | 404 | Mason, Greg (1580) | Won 2-1 | +191546 |
| 8standard | 258 | Boncher, Andrew (1566) | Lost 0-2 | -181528 |
| 9standard | 375 | Summerlin, Aubrey (1527) | Lost 0-2 | -181510 |
| top | average opponent: 1573record: 4-4-1 | new rating: 1510 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Henson, Delany (1500) | Won 2-1 | +181518 |
| 2standard | 352 | Miknus, Robb (1507) | Won 2-1 | +181536 |
| 3standard | 87 | Bondy, Aaron (1534) | Lost 0-2 | -181518 |
| 4standard | 396 | Wu, James (1470) | Won 2-1 | +171535 |
| 5standard | 118 | Fitzgerald, Sean (1775) | Lost 0-2 | -141521 |
| 6standard | 416 | Weinstein, Max (1519) | Lost 1-2 | -181503 |
| top | average opponent: 1551record: 3-3 | new rating: 1503 | ||