Wojna, David
Current rating: 1542
Record: 7-6
| Grand Prix Hartford 2018 (modern) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 180 | Zofcin, Joseph (1500) | Won 2-1 | +171553 |
| 2modern | 323 | Kunz, Thomas (1518) | Won 2-0 | +181571 |
| 3modern | 307 | Nelson, Dan (1702) | Won 2-1 | +201591 |
| 4modern | 124 | Razzaboni, Mark (1613) | Lost 1-2 | -181573 |
| 5modern | 203 | Horton Sr, Joseph (1523) | Lost 1-2 | -191554 |
| 6modern | 263 | Barber, Ian (1868) | Lost 0-2 | -121542 |
| average opponent: 1621record: 3-3 | new rating: 1542 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 895 | Papis, George (1540) | Won 2-0 | +191519 |
| 2modern | 414 | Stiffler, Maxwell (1395) | Won 2-1 | +151534 |
| 3modern | 71 | Rasmussen, Matt (1615) | Won 2-1 | +201554 |
| 4modern | 167 | McVety, Max (1985) | Lost 0-2 | -111543 |
| 5modern | 188 | Mettler, Lexie (1754) | Won 2-1 | +221565 |
| 6modern | 166 | Bruce, Adam (1481) | Lost 0-2 | -191546 |
| 7modern | 349 | Saporito, Thiago (2035) | Lost 0-2 | -101536 |
| average opponent: 1686record: 4-3 | new rating: 1536 | |||