Dzandzalas, Peter
Current rating: 1579
Record: 19-15
| Grand Prix Detroit 2013 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 272 | Le, Khanh Q (1454) | Won 2-0 | +161549 |
| 2modern | 118 | Austin, Shawn (1544) | Won 0-0 | +181567 |
| 3modern | 214 | Jansen, Morgan (1470) | Lost 1-2 | -191548 |
| 4modern | 331 | Bagley, Nathan (1517) | Won 2-1 | +171565 |
| 5modern | 275 | Rasmussen, Matt (1473) | Lost 0-2 | -201545 |
| 6modern | 387 | Stan, Samuel (1534) | Won 2-0 | +181563 |
| 7modern | 166 | Pick, Jesse (1454) | Won 2-1 | +161579 |
| 8modern | 198 | Kelly, Patrick R (1567) | Won 2-1 | +181597 |
| 9modern | 77 | Martin, Steven (1619) | Lost 0-2 | -181579 |
| top | average opponent: 1515record: 6-3 | new rating: 1579 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 4 | Carmichael, Jeffrey A (1518) | Won 2-1 | +181541 |
| 3modern | 88 | Cromwell, Collin (1578) | Lost 1-2 | -171524 |
| 4modern | 305 | Chesterman, Julian (1507) | Won 2-1 | +171541 |
| 5modern | 104 | Ripley, Nathaniel (1534) | Won 2-0 | +181559 |
| 6modern | 73 | Labuda, Lucas (1533) | Won 2-1 | +181577 |
| 7modern | 76 | Headley, David (1580) | Won 2-1 | +181595 |
| 8modern | 27 | Leon Valencia, Francisco (1705) | Won 2-1 | +201615 |
| 9modern | 24 | Tharmaratnam, Samuel (1874) | Lost 1-2 | -141601 |
| 10modern | 25 | Bunyan, Joseph (1556) | Won 2-1 | +181619 |
| 11modern | 13 | Arcega, Deo (1617) | Lost 0-2 | -181601 |
| 12modern | 34 | Taschner, Ian (1588) | Lost 1-2 | -191582 |
| 13modern | 60 | Dafoe, Braden (1539) | Lost 0-0 | -181564 |
| 14modern | 56 | Scott-Vargas, Luis (1873) | Lost 0-2 | -131551 |
| 15modern | 57 | Norek, Craig (1547) | Lost 1-2 | -181533 |
| top | average opponent: 1611record: 7-7 | new rating: 1533 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 163 | Forest, Hugo (1500) | Won 2-0 | +191483 |
| 2block | 146 | Darby, Scott (1515) | Lost 1-2 | -181465 |
| 3block | 156 | Richardson, Justin (1482) | Lost 1-2 | -171448 |
| 4block | 257 | Asselin, Alex (1482) | Won 2-0 | +181466 |
| 5block | 231 | Hitchcock, David (1463) | Won 2-1 | +181484 |
| 6block | 141 | Wheatley, Barry (1489) | Won 2-1 | +181502 |
| 7block | 125 | Buffett, Nick (1536) | Won 2-1 | +191521 |
| 8block | 47 | Swaluk, Jeff (1612) | Lost 0-0 | -171504 |
| 9block | 87 | Paulet, Louis-Phillipe (1535) | Won 0-0 | +191523 |
| top | average opponent: 1513record: 6-3 | new rating: 1523 | ||
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Emms, Brandon (1500) | Lost 0-2 | -181482 |
| 2sealed | 169 | Horshel, Gary (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||