Siecker, Rob
Current rating: 1757 (#3563)
Record: 31-17
| Grand Prix Toronto 2019 (modern) | starting rating: 1720 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 102 | Counsell, Dwayne (1500) | Won 2-0 | +141734 |
| 2modern | 277 | Makuch, Greg (1537) | Lost 0-2 | -211713 |
| 3modern | 325 | Rubin, Nicholas (1396) | Won 2-1 | +121725 |
| 4modern | 382 | Smith, Kevin (1548) | Won 2-0 | +151740 |
| 5modern | 83 | Leduc Gauthier, Samuel (1655) | Won 2-1 | +161756 |
| 6modern | 148 | Perez Jr., Raymond (1682) | Won 2-0 | +171773 |
| 7modern | 33 | Pauloff, Nicholas (1845) | Won 2-0 | +191792 |
| 8modern | 44 | Miotke, Aaron (1562) | Won 2-0 | +141806 |
| 9modern | 30 | Tse, Felix (2092) | Won 2-0 | +231829 |
| 10modern | 339 | Thompson, Kale (1754) | Lost 1-2 | -191810 |
| 11modern | 378 | Prince, Clinton (1606) | Won 2-1 | +141824 |
| 12modern | 347 | Buitenhuis, Josh (1718) | Lost 0-2 | -201804 |
| 13modern | 383 | Beldon, Omar (1757) | Lost 0-2 | -191785 |
| 14modern | 402 | Vance, James (2002) | Lost 0-2 | -141771 |
| 15modern | 398 | McLaughlin, Morgan (1997) | Lost 1-2 | -141757 |
| top | average opponent: 1710record: 9-6 | new rating: 1757 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 401 | Pichon, Jeremie (1500) | Won 2-0 | +171568 |
| 2modern | 240 | Viersen, Xavier (1518) | Won 2-0 | +171585 |
| 3modern | 256 | Zaczek, Jonathon (1764) | Won 2-1 | +221607 |
| 4modern | 82 | Babin, Jayson (1533) | Won 2-0 | +161623 |
| 5modern | 18 | Desbiens, Philippe (1802) | Lost 0-2 | -151608 |
| 6modern | 186 | Stiles, Collin (1534) | Won 2-1 | +171625 |
| 7modern | 125 | Pisarski, Matt (1610) | Lost 1-2 | -181607 |
| 8modern | 134 | Courval, Frederick (1619) | Won 2-0 | +181625 |
| 9modern | 71 | Coote, Chris (1594) | Won 2-1 | +171642 |
| 10modern | 45 | Ain, Jackson (1611) | Lost 0-2 | -181624 |
| 11modern | 102 | Simard, Jason (1782) | Won 2-1 | +211645 |
| 12modern | 80 | Bell, Malcolm (1598) | Won 2-0 | +171662 |
| 13modern | 37 | Liang, Andy (1632) | Won 2-1 | +171679 |
| 14modern | 20 | Tubello, Simon (1854) | Won 2-0 | +221701 |
| 15modern | 27 | Bold Wark, Lewis (1783) | Won 2-1 | +191720 |
| top | average opponent: 1649record: 12-3 | new rating: 1720 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Cameron, Shaun (1366) | Lost 0-2 | -211484 |
| 2sealed | 509 | Baker, Mitchel (1482) | Won 2-1 | +181502 |
| 3sealed | 463 | Johnson, James (1486) | Won 2-0 | +181520 |
| 4sealed | 348 | Stein, Mathew (1700) | Won 2-1 | +211541 |
| 5sealed | 106 | Yamasaki, Shogo (1794) | Won 2-0 | +231564 |
| 6sealed | 42 | Farrell, Christopher (1559) | Won 2-0 | +181582 |
| 7sealed | 92 | Falcioni, Matthew (1768) | Lost 0-2 | -151567 |
| 8sealed | 155 | Kong, Colin (1705) | Lost 1-2 | -161551 |
| 9sealed | 245 | Santos, Josh (1548) | Won 2-0 | +181569 |
| 10draft | 139 | Petrovich, Alex (1562) | Lost 0-2 | -181551 |
| top | average opponent: 1597record: 6-4 | new rating: 1551 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 279 | Provencal, Edith (1414) | Won 2-0 | +161516 |
| 2standard | 78 | Miller, Matthew (1592) | Lost 0-2 | -161500 |
| 3standard | 1048 | Hazra, Samir (1576) | Won 2-1 | +191519 |
| 4standard | 256 | Kailing, Michael (1725) | Won 2-0 | +221541 |
| 5standard | 265 | DeRenzis, Gregory (1502) | Lost 0-2 | -191522 |
| 6standard | 383 | Mohr, William (1582) | Lost 0-2 | -171505 |
| 7standard | 1037 | Sulzer, Jeremy (1470) | Won 2-0 | +181523 |
| 8standard | 277 | Albert, Levi (1526) | Lost 1-2 | -181505 |
| top | average opponent: 1548record: 4-4 | new rating: 1505 | ||