Stapert, Jeff
Current rating: 1431
Record: 12-17
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 135 | Karr, Ethan (1500) | Won 2-0 | +201431 |
| 2modern | 258 | Dahle, Travis (1696) | Lost 1-2 | -131418 |
| 3modern | 413 | Iske, Hayden (1500) | Won 2-0 | +191437 |
| 4modern | 346 | Carson, Jennifer (1649) | Lost 0-2 | -141423 |
| 5modern | 378 | Harper, William (1461) | Won 2-0 | +191442 |
| 6modern | 250 | Sullano, Andrew (1838) | Lost 0-2 | -111431 |
| top | average opponent: 1607record: 3-3 | new rating: 1431 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 194 | Hawkins, Scott (1500) | Lost 1-2 | -181447 |
| 2standard | 237 | Humphrey, Bryce (1419) | Lost 1-2 | -181429 |
| 3standard | 462 | Mayer, Joseph (1453) | Lost 0-2 | -181411 |
| top | average opponent: 1457record: 0-3 | new rating: 1411 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 279 | Bradshaw, Nicholas (1579) | Won 2-1 | +201521 |
| 2standard | 58 | Killy, Kevin (1500) | Lost 0-2 | -191502 |
| 3standard | 357 | Terry, Richard (1498) | Lost 0-2 | -181484 |
| 4standard | 398 | Howard, James (1408) | Lost 0-2 | -191465 |
| top | average opponent: 1496record: 1-3 | new rating: 1465 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 482 | Ahn, Sung-Jin (1608) | Lost 0-2 | -161505 |
| 2standard | 518 | Sagartz, Stephen (1463) | Lost 1-2 | -191486 |
| 3standard | 659 | Nielsen, Cameron (1448) | Lost 1-2 | -181468 |
| 4standard | 719 | Clark, Gavin (1396) | Won 2-1 | +161484 |
| 5standard | 673 | Jividen, Levi (1460) | Won 0-0 | +181502 |
| 6standard | 501 | Peters, Matthew (1482) | Won 2-0 | +171519 |
| 7standard | 483 | Gilbert, Christian (1506) | Lost 1-2 | -181501 |
| top | average opponent: 1480record: 3-4 | new rating: 1501 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Prehn, Jeremiah (1434) | Lost 0-2 | -191481 |
| 2standard | 557 | Acosta, Jorge (1482) | Won 2-0 | +181499 |
| 3standard | 590 | Fernandez, Richard (1450) | Lost 1-2 | -191480 |
| 4standard | 701 | Grissom, Koelten (1675) | Lost 1-2 | -151465 |
| 5standard | 782 | Perez, Rudy (1465) | Won 2-1 | +181483 |
| 6standard | 660 | Chaudhry, Shann (1421) | Won 2-1 | +171500 |
| 7standard | 541 | Hunt, Megan (1505) | Won 2-0 | +181518 |
| 8standard | 450 | Gonzalez, Chris (1616) | Won 2-0 | +201538 |
| 9standard | 201 | Chadwick, Jacob (1608) | Lost 0-2 | -171521 |
| top | average opponent: 1517record: 5-4 | new rating: 1521 | ||