Kalb, Judah
Current rating: 1449
Record: 3-6
| Grand Prix Richmond 2014 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 145 | Smith, Daniel (1544) | Won 2-1 | +201467 |
| 2modern | 56 | Parnell, Jesse (1514) | Lost 0-2 | -171450 |
| 3modern | 295 | Jordan, Sam (1500) | Won 2-1 | +191469 |
| 4modern | 254 | Schwab, Jason (1293) | Lost 1-2 | -221447 |
| 5modern | 402 | Payne, Craig (1499) | Won 2-0 | +191466 |
| 6modern | 185 | Lampkin, Patrick (1516) | Lost 0-2 | -171449 |
| average opponent: 1478record: 3-3 | new rating: 1449 | |||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Baquero, Andy (1563) | Lost 1-2 | -171483 |
| 2sealed | 302 | Gardner, Lucas (1482) | Lost 1-2 | -181465 |
| 3sealed | 357 | M165, Chris J (1464) | Lost 1-2 | -181447 |
| average opponent: 1503record: 0-3 | new rating: 1447 | |||