Rehak, John
Current rating: 1529
Record: 11-11
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Powers, Ray (1555) | Won 2-0 | +191506 |
| 2sealed | 66 | Fischer, Adam (1706) | Won 2-0 | +211527 |
| 3sealed | 130 | MacLean, Stuart (1490) | Lost 0-2 | -181509 |
| 4sealed | 145 | Lubitz, Nicholas (1486) | Won 2-0 | +171526 |
| 5sealed | 110 | Schulman, Daniel (1615) | Lost 1-2 | -161510 |
| 6sealed | 163 | Liston, Ryley (1570) | Won 2-0 | +191529 |
| 7sealed | 86 | Lavergne, Marc-Andre (1501) | Won 2-1 | +171546 |
| 8sealed | 49 | Horspool, Tyler (1572) | Lost 0-2 | -171529 |
| top | average opponent: 1562record: 5-3 | new rating: 1529 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 346 | Higbie, Erik (1606) | Won 2-0 | +201501 |
| 4sealed | 85 | Levin, Eugene (1678) | Lost 1-2 | -141487 |
| top | average opponent: 1642record: 1-1 | new rating: 1487 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 705 | Sun, Richard (1531) | Won 2-0 | +191502 |
| 4modern | 779 | Veil, Bryan (1524) | Lost 1-2 | -181484 |
| 5modern | 848 | Luzzi, Marcus (1537) | Won 2-1 | +191503 |
| 6modern | 745 | Siegel, Liam (1512) | Won 2-1 | +181521 |
| 7modern | 742 | Mackl, Valentin (1987) | Lost 0-2 | -101511 |
| 8modern | 858 | Gagnon, Jacob (1787) | Lost 0-2 | -131498 |
| 9modern | 847 | Robb, Ian (1548) | Lost 0-2 | -171481 |
| top | average opponent: 1632record: 3-4 | new rating: 1481 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 145 | Blakley, Ryan (1464) | Won 2-0 | +171517 |
| 2modern | 166 | Westhoven, Alex (1518) | Won 2-1 | +181535 |
| 3modern | 87 | McKiernan, Ryan (1648) | Lost 1-2 | -161519 |
| 4modern | 308 | Oropeza, Mikel (1467) | Lost 1-2 | -191500 |
| 5modern | 378 | Stewart, Michael (1526) | Lost 0-2 | -171483 |
| top | average opponent: 1525record: 2-3 | new rating: 1483 | ||