Schalk, Harry
Current rating: 1608
Record: 17-12
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Rivas, Juan (1500) | Won 2-1 | +171576 |
| 2sealed | 372 | Miller, Ryon (1519) | Lost 0-2 | -191557 |
| 3sealed | 689 | Scofield, Tanner (1500) | Won 2-0 | +171574 |
| 4sealed | 519 | Council Jr., James (1524) | Won 2-0 | +171591 |
| 5sealed | 131 | Ratajczak, Matthew (1730) | Won 2-1 | +211612 |
| 6sealed | 200 | Friedman, Ben (1987) | Won 2-1 | +241636 |
| 7sealed | 118 | Mondon, Pierre (1857) | Lost 1-2 | -141622 |
| 8sealed | 238 | Frayman, Igor (1815) | Lost 0-0 | -141608 |
| top | average opponent: 1679record: 5-3 | new rating: 1608 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 128 | Berghahn, Wesley (1500) | Won 2-0 | +181521 |
| 2standard | 342 | Indiveri, Vincent (1502) | Won 2-1 | +181539 |
| 3standard | 269 | Burgner, Timothy (1537) | Lost 0-2 | -181521 |
| 4standard | 273 | Steele, Derrick (1575) | Won 2-1 | +191540 |
| 5standard | 359 | Navarra, Ralph (1640) | Won 2-0 | +191559 |
| 6standard | 195 | Knapp, Matthew (1503) | Won 2-0 | +171576 |
| 7standard | 131 | Wilcock, Chris (1623) | Lost 1-2 | -171559 |
| 8standard | 142 | Mullaly, Kevin (1568) | Won 2-0 | +181577 |
| 9standard | 86 | Vitullo, Joshua (1583) | Lost 0-2 | -181559 |
| top | average opponent: 1559record: 6-3 | new rating: 1559 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 245 | Crocker, David (1500) | Won 2-1 | +191500 |
| 2sealed | 21 | Cogley, Nick (1582) | Won 2-1 | +191519 |
| 3sealed | 136 | Short, Jason (1484) | Won 2-0 | +181537 |
| 4sealed | 79 | Sato, Takanobu (1591) | Lost 0-2 | -171520 |
| 5sealed | 139 | Levin, Julian (1535) | Lost 0-2 | -181502 |
| 6sealed | 243 | Egli, Adam J (1556) | Won 2-1 | +191521 |
| 7sealed | 115 | Adams, Ken (1526) | Lost 1-2 | -181503 |
| top | average opponent: 1539record: 4-3 | new rating: 1503 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 244 | Haratz, Joshua (1500) | Won 2-0 | +181518 |
| 2block | 224 | Najafpoor, Omid (1500) | Lost 0-2 | -181500 |
| 3block | 335 | Peditto, Michael (1501) | Lost 0-2 | -181482 |
| 4block | 398 | DeMarino, Matt (1481) | Won 2-1 | +181500 |
| 5block | 317 | Albino, Christopher (1483) | Lost 1-2 | -191481 |
| top | average opponent: 1493record: 2-3 | new rating: 1481 | ||