Hirko, David
Current rating: 1525
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Clarey, Mike (1500) | Won 2-1 | +171562 |
| 2sealed | 132 | Atwell, Hale (1464) | Won 2-0 | +161578 |
| 3sealed | 128 | Headley, Matthew (1701) | Lost 1-2 | -161562 |
| 4sealed | 166 | Guilbault, Kelvin (1484) | Lost 1-2 | -191543 |
| 5sealed | 185 | Robbins, Edwin (1537) | Lost 0-2 | -181525 |
| top | average opponent: 1537record: 2-3 | new rating: 1525 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 109 | Bowley, Chris (1464) | Won 2-1 | +181503 |
| 2modern | 158 | Bruce, Nathan (1576) | Won 2-1 | +191522 |
| 3modern | 17 | Cyr, Shawn (1615) | Lost 0-2 | -161506 |
| 4modern | 181 | St-Martin-Allard, Jonathan (1571) | Lost 1-2 | -171489 |
| 5modern | 367 | Janssens, Jacob (1499) | Won 2-0 | +181507 |
| 6modern | 189 | Ly, Joel (1518) | Won 2-0 | +181525 |
| 7modern | 222 | Golas, Aaron (1526) | Won 2-1 | +181543 |
| 8modern | 124 | Brady, Bryan (1553) | Won 2-1 | +191562 |
| 9modern | 48 | Delano, Jonathan (1612) | Lost 1-2 | -171545 |
| top | average opponent: 1548record: 6-3 | new rating: 1545 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 147 | Davidson, Keenan (1511) | Lost 1-2 | -181482 |
| 4modern | 417 | Newyear, Keith (1433) | Won 2-0 | +171499 |
| 5modern | 147 | Thompson, Kale (1613) | Lost 1-2 | -161483 |
| 6modern | 252 | Martin, Bob (1409) | Won 2-1 | +171500 |
| 7modern | 196 | Boehm, Christopher (1681) | Lost 0-2 | -151485 |
| top | average opponent: 1529record: 2-3 | new rating: 1485 | ||