Blacker, Sam
Current rating: 1561
Record: 9-6
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Morrill, Adam (1478) | Lost 0-2 | -191521 |
| 2standard | 226 | Boivin, Steve (1482) | Lost 1-2 | -191502 |
| 3standard | 358 | Paradis, Philippe (1464) | Won 2-1 | +181520 |
| 4standard | 313 | Belanger, Jean (1546) | Won 2-0 | +181538 |
| 5standard | 267 | Blais, Christian (1506) | Won 2-0 | +181556 |
| 6standard | 219 | Meade, Nicholas (1617) | Won 2-0 | +191575 |
| 7standard | 160 | Li, Yuanji (1786) | Lost 1-2 | -141561 |
| average opponent: 1554record: 4-3 | new rating: 1561 | |||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Turcotte, Maurice (1500) | Won 0-0 | +181518 |
| 2standard | 48 | Poon, Shane (1500) | Won 2-0 | +181536 |
| 3standard | 22 | Platt, Cam (1603) | Won 2-0 | +191555 |
| 4standard | 36 | Chow, Henry H (1553) | Won 2-0 | +181573 |
| 5standard | 26 | Mcclain, Josh (1893) | Lost 0-2 | -121561 |
| 6standard | 40 | Litman, Randall (1521) | Lost 1-2 | -191542 |
| 7standard | 109 | Williams, Christopher John (1514) | Won 2-0 | +171559 |
| 8standard | 118 | Orellana, Cristian (1504) | Lost 0-2 | -191540 |
| average opponent: 1573record: 5-3 | new rating: 1540 | |||