Tuharsky, Jay
Current rating: 1510
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Selensky, David (1500) | Won 0-0 | +191468 |
| 2standard | 62 | Sauve, Steven (1464) | Won 2-1 | +181486 |
| 3standard | 62 | Vanoeveren, Ashley (1535) | Won 2-0 | +191505 |
| 4standard | 62 | Leung, Simon (1593) | Won 2-1 | +201525 |
| 5standard | 62 | Hanam, Andrew (1544) | Lost 0-2 | -181507 |
| 6standard | 62 | Telgen, Matt (1535) | Won 2-0 | +181525 |
| 7standard | 62 | Wise, Christopher (1605) | Lost 0-2 | -161509 |
| 8standard | 62 | Page, Chris (1556) | Won 2-1 | +191528 |
| 9standard | 53 | Orellana, Cristian (1523) | Lost 0-2 | -181510 |
| top | average opponent: 1539record: 6-3 | new rating: 1510 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Barcik, Scott (1500) | Lost 0-2 | -171465 |
| 2sealed | 292 | Dubyk, Dilon (1481) | Won 2-0 | +181483 |
| 3sealed | 176 | Barnes, Joel (1619) | Lost 1-2 | -161467 |
| 4sealed | 300 | Cote, Robert (1466) | Lost 0-2 | -181449 |
| top | average opponent: 1516record: 1-3 | new rating: 1449 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | White, Benjamin (1467) | Won 2-0 | +171517 |
| 2sealed | 236 | Moses, Chad (1492) | Lost 0-2 | -181499 |
| 3sealed | 431 | Graham, Jeff (1500) | Lost 0-2 | -181481 |
| 4sealed | 413 | Le, Hien (1482) | Won 2-0 | +181499 |
| 5sealed | 314 | hastain, greg (1566) | Lost 0-2 | -171482 |
| top | average opponent: 1501record: 2-3 | new rating: 1482 | ||