Posont, Jack
Current rating: 1391
Record: 15-23-3
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 99 | Baumgartner, Drew (1500) | Draw 1-1 | +21392 |
| 2modern | 475 | England, Philip (1482) | Won 2-0 | +201412 |
| 3modern | 440 | Eckert, Joseph (1576) | Lost 1-2 | -151397 |
| 4modern | 639 | Flippen, Edward (1483) | Lost 0-2 | -171380 |
| 5modern | 761 | Nyberg, Michael (1897) | Won 2-1 | +271407 |
| 6modern | 599 | Kregger, Darren (1536) | Lost 0-2 | -161391 |
| top | average opponent: 1579record: 2-3-1 | new rating: 1391 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 616 | Hatch, Eric (1500) | Draw 1-1 | +21401 |
| 2modern | 622 | Smith, Braedon (1464) | Won 2-0 | +191420 |
| 3modern | 518 | Benoit, Michael (1464) | Lost 0-2 | -171403 |
| 4modern | 800 | Kilmer, Micah (1425) | Won 2-1 | +181421 |
| 5modern | 525 | Zurek, Matthew (1521) | Lost 0-2 | -161405 |
| 6modern | 735 | Gleason, John (1500) | Draw 1-1 | +21407 |
| 7modern | 832 | Hicks, Jackson (1487) | Lost 0-2 | -171390 |
| top | average opponent: 1480record: 2-3-2 | new rating: 1390 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 398 | Potts, Charles (1624) | Lost 0-2 | -151415 |
| 2modern | 1068 | Giniat, Matthew (1484) | Won 2-1 | +191434 |
| 3modern | 649 | Barni, Gregory (1448) | Lost 1-2 | -171417 |
| 4modern | 1118 | Hall, Jason (1361) | Won 2-1 | +171434 |
| 5modern | 663 | Waldrop, Philip (1419) | Lost 0-2 | -191415 |
| 6modern | 777 | Hollowell, Ryan (1517) | Lost 0-2 | -161399 |
| top | average opponent: 1475record: 2-4 | new rating: 1399 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 114 | Beausoleil, Trevor (1420) | Won 2-1 | +181480 |
| 2modern | 175 | Biron, Pierre-Alexandre (1579) | Won 0-0 | +191499 |
| 3modern | 26 | Champagne, Jeff (1542) | Lost 0-2 | -171482 |
| 4modern | 443 | Ha, Chris (1485) | Lost 1-2 | -181464 |
| 5modern | 430 | Borowski, Joseph (1500) | Lost 0-2 | -171447 |
| 6modern | 477 | Flores, Ricky (1482) | Lost 0-2 | -171430 |
| top | average opponent: 1501record: 2-4 | new rating: 1430 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Kraus, David (1500) | Lost 0-2 | -171462 |
| 2sealed | 280 | Pier, Alex (1412) | Won 2-1 | +171479 |
| 3sealed | 255 | Presnell, Joseph (1499) | Won 2-0 | +181497 |
| 4sealed | 196 | Duelfer, Matthew (1536) | Lost 0-2 | -171480 |
| 5sealed | 272 | Webster, Billy (1554) | Won 2-1 | +191499 |
| 6sealed | 190 | Pozsgay, Marc (1443) | Lost 1-2 | -191480 |
| 7sealed | 225 | Duncan, Chris (1483) | Lost 1-2 | -181462 |
| top | average opponent: 1489record: 3-4 | new rating: 1462 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Sherrod, Maurice Q (1500) | Lost 1-2 | -181482 |
| 2standard | 299 | Kroeger, Travis (1481) | Lost 0-1 | -181464 |
| 3standard | 395 | Lee, Aaron (1464) | Won 2-1 | +181482 |
| 4standard | 392 | Reiman, Clint (1434) | Lost 0-2 | -191463 |
| 5standard | 413 | Dilley, Nathan (1475) | Lost 1-2 | -181445 |
| 6standard | 392 | Snook, Jameson (1444) | Won 2-0 | +181463 |
| 7standard | 313 | Barchus, Ian (1464) | Lost 1-2 | -181445 |
| 8standard | 267 | Sorensen, Peter J (1414) | Won 2-1 | +181463 |
| 9standard | 229 | Vlahovich, Heather J (1393) | Won 2-0 | +161479 |
| top | average opponent: 1452record: 4-5 | new rating: 1479 | ||