Werbalowsky, Sam
Current rating: 1463
Record: 13-16
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | King, Thomas (1565) | Won 2-1 | +201473 |
| 2sealed | 354 | Keever, Gregory (1484) | Won 2-0 | +191492 |
| 3sealed | 102 | Foti-Baker, Takoda (1459) | Lost 0-2 | -191473 |
| 4sealed | 362 | Baughman, Kyle (1516) | Won 2-1 | +191492 |
| 5sealed | 399 | Carvalho, Pedro (1903) | Lost 0-2 | -111481 |
| 6sealed | 458 | Leveille, Tom (1500) | Lost 0-2 | -181463 |
| top | average opponent: 1571record: 3-3 | new rating: 1463 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Mueller, Jeremy (1520) | Lost 1-2 | -171430 |
| 2sealed | 448 | Whitehill, Cj (1481) | Won 2-1 | +191449 |
| 3sealed | 441 | Groeneman, Wade (1500) | Won 2-0 | +191468 |
| 4sealed | 353 | Li, James (1502) | Lost 1-2 | -171451 |
| 5sealed | 384 | Nicklas, Matthew (1501) | Won 2-1 | +191470 |
| 6sealed | 170 | Rousseau, Jack (1574) | Lost 1-2 | -171453 |
| top | average opponent: 1513record: 3-3 | new rating: 1453 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 803 | Petrus, Christopher (1446) | Lost 1-2 | -191464 |
| 2modern | 1096 | Romine, Gregory (1438) | Won 2-0 | +181482 |
| 3modern | 1038 | Brakke, Kris (1536) | Lost 0-2 | -171465 |
| 4modern | 1072 | Shinohara, Yasuhiro (1479) | Lost 0-2 | -181447 |
| 5modern | 1158 | Kastning, Erik (1399) | Won 2-1 | +171464 |
| 6modern | 1070 | Solano, Gustavo (1504) | Lost 1-2 | -171447 |
| top | average opponent: 1467record: 2-4 | new rating: 1447 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Small, Brad M (1557) | Won 2-0 | +191520 |
| 2sealed | 113 | Joseph-Pare, Bertrand (1521) | Lost 0-2 | -181502 |
| 3sealed | 468 | Boulet, Felix (1499) | Won 2-1 | +181520 |
| 4sealed | 528 | Maini, Quentin (1487) | Lost 1-2 | -191501 |
| 5sealed | 346 | Machan, Steven (1485) | Lost 0-2 | -181483 |
| top | average opponent: 1510record: 2-3 | new rating: 1483 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 392 | Peterson, Trevor (1500) | Lost 0-2 | -181482 |
| 2sealed | 625 | Mckuin, Patrick (1486) | Won 2-0 | +181500 |
| 3sealed | 236 | Boveda, Jose (1502) | Won 2-0 | +181518 |
| 4sealed | 385 | Shimshak, Max (1518) | Won 2-1 | +181536 |
| 5sealed | 187 | Lam, Jason (1627) | Lost 0-2 | -161520 |
| 6sealed | 274 | Merced, Davis (1465) | Lost 0-2 | -191501 |
| top | average opponent: 1516record: 3-3 | new rating: 1501 | ||