Krontz, Jason
Current rating: 1521
Record: 13-11-1
| Grand Prix Charlotte 2015 (modern) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1307 | Duran, Raul (1500) | Lost 0-2 | -191524 |
| 2modern | 1591 | Kidd, Jimmy (1450) | Won 2-0 | +171541 |
| 3modern | 1554 | Colson, Danielle A (1499) | Won 2-1 | +171558 |
| 4modern | 1419 | Tibbitts, Nicholas (1454) | Lost 0-2 | -201538 |
| 5modern | 1393 | Shield, Jeffrey (1573) | Lost 0-2 | -171521 |
| top | average opponent: 1495record: 2-3 | new rating: 1521 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 846 | Kendall, Brandon (1416) | Lost 0-2 | -211547 |
| 2legacy | 1193 | Seward, Brent (1483) | Draw 1-1 | -11546 |
| 3legacy | 1260 | Gaunt, Sean (1482) | Won 2-0 | +171563 |
| 4legacy | 1134 | Rackoll, Lars (1432) | Lost 0-2 | -201543 |
| top | average opponent: 1453record: 1-2-1 | new rating: 1543 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Goldhawk, Nicholas (1482) | Lost 0-2 | -191531 |
| 2modern | 481 | Gonzalez, Joshua (1482) | Won 2-1 | +171548 |
| 3modern | 404 | Phillips, Robert (1499) | Won 2-0 | +171565 |
| 4modern | 234 | Cameron, Shaun (1483) | Won 2-1 | +161581 |
| 5modern | 80 | Beacroft, William (1583) | Won 2-0 | +181599 |
| 6modern | 144 | Robdrup, Andy (1799) | Lost 0-2 | -141585 |
| 7modern | 184 | Grourke, Vincent (1649) | Lost 0-2 | -171568 |
| top | average opponent: 1568record: 4-3 | new rating: 1568 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 97 | Livingston, Denise (1427) | Won 2-0 | +171517 |
| 2modern | 223 | Ellis, Christopher (1518) | Lost 0-2 | -181499 |
| 3modern | 352 | Vinson, Gary (1441) | Lost 0-2 | -191480 |
| 4modern | 637 | Ross, Sean (1416) | Won 2-0 | +161496 |
| 5modern | 342 | Selvage, Roger (1453) | Won 2-0 | +181514 |
| 6modern | 319 | Starck, William (1518) | Won 2-0 | +181532 |
| 7modern | 263 | Cutler, Ben (1535) | Won 2-1 | +181550 |
| 8modern | 110 | Shaffer, Matthew (1534) | Won 2-0 | +181568 |
| 9modern | 101 | Seifert, Nick (1587) | Lost 1-2 | -181550 |
| top | average opponent: 1492record: 6-3 | new rating: 1550 | ||