Stack, Stephen
Current rating: 1467
Record: 10-12-2
| Grand Prix Austin 2020 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 178 | Hershberger, Kent (1361) | Lost 1-2 | -201443 |
| 2modern | 220 | Weidenkeller, Conrad (1462) | Lost 1-2 | -171426 |
| 3modern | 381 | Robinson, David (1429) | Won 2-1 | +181444 |
| 4modern | 335 | Manning, David (1562) | Won 2-1 | +201464 |
| 5modern | 290 | Peng, Jingcheng (1498) | Lost 0-2 | -181446 |
| 6modern | 263 | Chen, Cameron (1505) | Won 2-1 | +191465 |
| 7modern | 201 | Brown, Jesse (1518) | Lost 1-2 | -171448 |
| 8modern | 158 | Adrianson, Matthew (1486) | Won 2-1 | +191467 |
| top | average opponent: 1478record: 4-4 | new rating: 1467 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Gouldner, Clint (1500) | Lost 0-2 | -171462 |
| 2modern | 550 | Beasley, Shanice (1375) | Won 2-0 | +161478 |
| 3modern | 507 | Black, Logan (1558) | Won 2-0 | +201498 |
| 4modern | 288 | Ratheal, Dj (1519) | Lost 1-2 | -181480 |
| 5modern | 314 | Katz, Samuel (1510) | Lost 1-2 | -171463 |
| 6modern | 434 | Simon, Matthew (1483) | Won 2-1 | +181481 |
| 7modern | 327 | Glover, Nicolas (1483) | Lost 0-2 | -181463 |
| top | average opponent: 1490record: 3-4 | new rating: 1463 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Peterson, Samuel (1500) | Lost 0-2 | -181482 |
| 2modern | 582 | Gallivan, Jordan (1481) | Draw 1-1 | 01482 |
| 3modern | 821 | Newton, Clifford (1439) | Won 2-1 | +171499 |
| 4modern | 630 | Williams, Kirby (1502) | Draw 1-1 | 01499 |
| 5modern | 760 | Minnis, John (1453) | Won 2-1 | +171516 |
| 6modern | 585 | Hellmuth, Staci (1518) | Won 2-1 | +181534 |
| 7modern | 419 | Smith, Ross (1522) | Lost 0-2 | -181516 |
| 8modern | 538 | Anderson, Carl (1492) | Lost 0-2 | -181498 |
| 9modern | 509 | Leech, Matthew (1478) | Lost 0-2 | -191479 |
| top | average opponent: 1487record: 3-4-2 | new rating: 1479 | ||