Clarke, Derek
Current rating: 1539
Record: 15-16-1
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Schulz, Brendan (1482) | Won 2-1 | +191480 |
| 2standard | 315 | Pugliese, Michael (1518) | Lost 1-2 | -181462 |
| 3standard | 520 | Potvin, Gabriel (1541) | Won 2-0 | +201482 |
| 4standard | 336 | Wong, Wilson (1686) | Won 2-1 | +221504 |
| 5standard | 206 | Perez Jr., Raymond (1919) | Lost 1-2 | -111493 |
| 6standard | 395 | Rawson, Chris (1520) | Won 2-0 | +181511 |
| 7standard | 161 | Platt, Cam (1689) | Won 2-0 | +211532 |
| 8standard | 127 | Marino, Mauro (1653) | Won 2-0 | +211553 |
| 9standard | 83 | Thompson, Kale (1783) | Lost 1-2 | -141539 |
| top | average opponent: 1644record: 6-3 | new rating: 1539 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 350 | Murphy, Justin [CAN] (1568) | Won 2-0 | +211406 |
| 2standard | 186 | Wilson, Bradford (1457) | Lost 1-2 | -171389 |
| 3standard | 394 | Rousseau, Patrice (1519) | Won 2-0 | +201409 |
| 4standard | 270 | Lessard, John (1468) | Won 2-0 | +191428 |
| 5standard | 584 | Utter-Leyton, Josh (1980) | Won 2-1 | +271455 |
| 6standard | 133 | Beaudry Auger, Nicolas (1510) | Won 2-1 | +191474 |
| 7standard | 109 | Liu, Bangliang (1575) | Lost 0-2 | -161458 |
| 8standard | 117 | Howard, Cody (1529) | Won 2-1 | +191477 |
| 9standard | 83 | Shen, Kyle (1582) | Lost 1-2 | -161461 |
| top | average opponent: 1576record: 6-3 | new rating: 1461 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 340 | Flannagan, Jaxon (1481) | Won 2-1 | +191446 |
| 3sealed | 357 | Levstein, Alexander (1503) | Lost 1-2 | -171429 |
| 4sealed | 438 | Anderson, Robert (1671) | Lost 1-2 | -141415 |
| 5sealed | 365 | Demers, Francois (1599) | Lost 1-2 | -141401 |
| 6sealed | 472 | Bremner, John (1499) | Lost 1-2 | -161385 |
| top | average opponent: 1551record: 1-4 | new rating: 1385 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 136 | Clark, Matthew (1417) | Lost 0-2 | -201480 |
| 2modern | 362 | Adkins, Robert (1451) | Lost 0-0 | -181462 |
| 3modern | 647 | Livingston, Steven (1481) | Won 2-0 | +181480 |
| 4modern | 574 | York, Thomas l (1501) | Lost 0-2 | -171463 |
| 5modern | 611 | Gill, David (1464) | Lost 1-2 | -181445 |
| 6modern | 549 | Moore, Andrew (1481) | Lost 0-2 | -181427 |
| 7modern | 478 | Krot, Hunter (1427) | Lost 0-0 | -181409 |
| 8modern | 392 | Johnson, Robert (1390) | Draw 1-1 | 01409 |
| 9modern | 333 | McCarl, Morgan (1413) | Won 2-0 | +181427 |
| top | average opponent: 1447record: 2-6-1 | new rating: 1427 | ||