Kulbaba, Jason
Current rating: 1504
Record: 7-7-3
| Grand Prix Calgary 2019 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 226 | Hilbach, Craig (1532) | Won 2-0 | +191520 |
| 2modern | 117 | Brown, Shayne (1483) | Lost 0-2 | -191501 |
| 3modern | 369 | Bettencourt, Matthew (1621) | Won 2-1 | +201521 |
| 4modern | 225 | Greening, Greg (1523) | Won 2-1 | +181539 |
| 5modern | 54 | Weedon, Mark (1628) | Won 2-0 | +201559 |
| 6modern | 72 | Ferreira, Marco (1493) | Lost 1-2 | -191540 |
| 7modern | 157 | Waldorf, Phil (1522) | Lost 0-2 | -191521 |
| 8modern | 165 | Harder, Spencer (1541) | Lost 1-2 | -171504 |
| average opponent: 1543record: 4-4 | new rating: 1504 | |||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 478 | Davis, Joshua (1533) | Lost 0-2 | -171483 |
| 2standard | 561 | Hunt, Brian (1529) | Draw 1-1 | 01483 |
| 3standard | 1070 | Rumble, Mike (1482) | Won 2-0 | +181501 |
| 4standard | 510 | Brown, Kevin [CAN] (1502) | Draw 1-1 | 01501 |
| 5standard | 567 | Yan, Shihong (1534) | Lost 0-2 | -171484 |
| 6standard | 594 | Deline, Tyler (1451) | Won 2-0 | +171501 |
| 7standard | 491 | Iacob, Mihai (1467) | Won 2-0 | +181519 |
| 8standard | 389 | Dang, Qi (1580) | Draw 1-1 | +11520 |
| 9standard | 1038 | Blackstock, Richard (1475) | Lost 0-2 | -191501 |
| average opponent: 1506record: 3-3-3 | new rating: 1501 | |||