Fossan, Zack
Current rating: 1643
Record: 15-7
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1639 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 78 | Penagos, Julio (1500) | Won 2-0 | +161655 |
| 2modern | 371 | Kirschenmann, Joe (1517) | Won 2-1 | +151670 |
| 3modern | 420 | Soler, Bradley (1484) | Won 2-0 | +151685 |
| 4modern | 673 | Krishel, Shoshana (1534) | Lost 0-2 | -211664 |
| 5modern | 373 | Chhauy, Chamrong (1565) | Won 2-1 | +161680 |
| 6modern | 122 | Tews, Andrew (1576) | Lost 0-2 | -191661 |
| 7modern | 294 | Knorr, Jackson (1701) | Lost 1-2 | -181643 |
| average opponent: 1554record: 4-3 | new rating: 1643 | |||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Gundy, Aaron (1500) | Won 2-0 | +181518 |
| 2sealed | 209 | Campbell, Colin (1518) | Won 2-0 | +181536 |
| 3sealed | 119 | Steier, Terry (1624) | Lost 0-2 | -161520 |
| 4sealed | 113 | Lisonbee, Rich (1564) | Lost 0-2 | -181502 |
| 5sealed | 239 | Castillon Jr, Jimmy (1480) | Won 2-1 | +181520 |
| 6sealed | 213 | Colmenero, Clifton (1544) | Won 2-0 | +181538 |
| 7sealed | 91 | Montoya, Brandon (1741) | Won 2-0 | +221560 |
| 8sealed | 93 | Jao, Jeff (1541) | Won 2-0 | +181578 |
| 9sealed | 75 | Vitullo, Joshua (1696) | Won 2-0 | +201598 |
| 10draft | 161 | Boyd, Nathan (1588) | Won 2-0 | +181616 |
| 11draft | 7 | Hu, Shengling (1585) | Won 2-0 | +171633 |
| 12draft | 54 | Horn, Lee (1633) | Lost 0-2 | -181615 |
| 13draft | 111 | Lucero, Zachary (1788) | Won 2-1 | +211636 |
| 14draft | 17 | Brouillet, Daniel (1604) | Won 2-1 | +181654 |
| 15draft | 47 | Keeth, Christian (1862) | Lost 0-2 | -151639 |
| average opponent: 1618record: 11-4 | new rating: 1639 | |||