Wiecenski, Robert
Current rating: 1460
| Grand Prix Richmond 2014 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 73 | McClellan, Sam (1545) | Won 2-0 | +201469 |
| 4modern | 36 | Tan, Lijia (1454) | Won 2-1 | +181487 |
| 5modern | 16 | Black, Andrew (1473) | Lost 1-2 | -191468 |
| 6modern | 84 | Shamilov, Rambon (1542) | Lost 0-2 | -161452 |
| 7modern | 113 | Jones, Matt (1387) | Won 2-0 | +161468 |
| 8modern | 69 | Conklin, Thomas (1552) | Won 2-1 | +201488 |
| 9modern | 81 | Collins, Jason (1516) | Won 2-1 | +181506 |
| 10modern | 113 | Piper, Jason (1555) | Lost 1-2 | -171489 |
| 11modern | 194 | McDarby, David (1721) | Lost 1-2 | -141475 |
| 12modern | 210 | Heath, Joel (1641) | Lost 1-2 | -151460 |
| top | average opponent: 1538record: 5-5 | new rating: 1460 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Piela, Johnny (1447) | Won 2-0 | +181481 |
| 2standard | 10 | Reilly, Michael (1524) | Lost 0-2 | -171464 |
| 3standard | 589 | Wohlmacher, James (1567) | Lost 0-2 | -161448 |
| 4standard | 732 | Palcko, Bruce (1482) | Won 2-0 | +181466 |
| 5standard | 569 | Clarke, Raymond (1504) | Lost 0-2 | -171449 |
| top | average opponent: 1505record: 2-3 | new rating: 1449 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Markowycz, Mykola (1500) | Lost 0-2 | -181482 |
| 2standard | 570 | Anderson, Jonathan W (1482) | Lost 0-2 | -181464 |
| 3standard | 644 | Montgomery, Mark (1464) | Won 2-0 | +181482 |
| 4standard | 627 | Contreras, Christopher (1448) | Lost 0-2 | -191463 |
| top | average opponent: 1473record: 1-3 | new rating: 1463 | ||