Marin, Isaac
Current rating: 1396
Record: 8-14-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 748 | Kurd-Misto, Mohammed (1500) | Draw 1-1 | +11410 |
| 2modern | 638 | Kenney, Jon-Luke (1479) | Won 2-0 | +201430 |
| 3modern | 792 | Bailey, Joni (1360) | Lost 0-2 | -201410 |
| 4modern | 1029 | Casco, Guillermo (1433) | Won 2-1 | +191429 |
| 5modern | 714 | Clyburn, Brandon (1420) | Lost 0-2 | -181411 |
| 6modern | 941 | Peterson, Jacob (1598) | Lost 0-2 | -151396 |
| top | average opponent: 1465record: 2-3-1 | new rating: 1396 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 369 | Lopez, Aaron (1392) | Lost 0-2 | -201463 |
| 2modern | 603 | Perales, Octavio (1482) | Lost 0-2 | -171446 |
| 3modern | 848 | Kirkhart, Gaven (1464) | Lost 1-2 | -181428 |
| 4modern | 937 | Armstrong, Samuel (1366) | Lost 0-2 | -191409 |
| top | average opponent: 1426record: 0-4 | new rating: 1409 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 39 | Chan, Norman (1635) | Lost 1-2 | -161483 |
| 2modern | 806 | Perser, Sean (1482) | Won 2-0 | +181501 |
| 3modern | 892 | Nelson, Adam (1479) | Lost 1-2 | -181483 |
| 4modern | 959 | Grimes, Kyle (1483) | Won 2-1 | +181501 |
| 5modern | 718 | Carpenter, Clint (1494) | Won 2-0 | +181519 |
| 6modern | 326 | Opferman, Anthony (1489) | Lost 0-2 | -191500 |
| 7modern | 703 | Brewer, Erik (1530) | Lost 0-2 | -171483 |
| top | average opponent: 1513record: 3-4 | new rating: 1483 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Beaudin, Marc (1500) | Won 2-0 | +181518 |
| 2sealed | 95 | Reed, Todd (1447) | Won 2-0 | +171535 |
| 3sealed | 1 | Lapping-Carr, Micah (1536) | Won 2-0 | +181553 |
| 4sealed | 37 | Nguyen, Thanh (1512) | Lost 1-2 | -191534 |
| 5sealed | 117 | Maloney, Kyle (1543) | Lost 0-2 | -181516 |
| 6sealed | 182 | Giffin, Conor (1557) | Lost 0-2 | -171499 |
| top | average opponent: 1516record: 3-3 | new rating: 1499 | ||