Zuchora, David
Current rating: 1473
Record: 7-9
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Mickel, Noah (1428) | Lost 1-2 | -201468 |
| 2sealed | 573 | Dekorver, Luke (1482) | Lost 0-2 | -171451 |
| 3sealed | 805 | Punch, Becky (1465) | Lost 1-2 | -181433 |
| 4sealed | 805 | Snell, Kenneth (1446) | Won 2-0 | +181451 |
| 5sealed | 670 | Middlemiss, Kenneth (1466) | Won 2-1 | +181469 |
| 6sealed | 536 | Barkett, Cary Thomas (1487) | Won 2-1 | +191488 |
| 7sealed | 417 | Siembor, Michael (1511) | Won 2-1 | +181506 |
| 8sealed | 305 | Urbanski, Joe (1549) | Lost 1-2 | -171489 |
| 9sealed | 265 | Jones, Nathan (1611) | Lost 0-2 | -161473 |
| average opponent: 1494record: 4-5 | new rating: 1473 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 566 | Kolpack, Andrew (1518) | Won 2-0 | +181518 |
| 3sealed | 526 | Isgur, Benjamin (1698) | Lost 1-2 | -141504 |
| 4sealed | 752 | Scheffler, Robert (1518) | Won 2-0 | +181522 |
| 5sealed | 697 | Jenkins, Eric (1539) | Lost 1-2 | -181504 |
| 6sealed | 656 | Mulharan, Richard (1517) | Won 2-0 | +181522 |
| 7sealed | 637 | Mongeon, Joe (1536) | Lost 0-2 | -171505 |
| 8sealed | 647 | Swindell, Tom W (1554) | Lost 0-2 | -171488 |
| average opponent: 1555record: 3-4 | new rating: 1488 | |||