Boothman, David
Current rating: 1404
Record: 10-16-1
| Grand Prix Toronto 2018 (modern) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 319 | Down, Colton (1500) | Lost 1-2 | -171420 |
| 2modern | 412 | Gladue, Jonathon (1447) | Won 2-1 | +181438 |
| 3modern | 389 | Connor, David (1449) | Lost 0-2 | -171421 |
| 4modern | 562 | Suchecki, Damian (1482) | Lost 0-2 | -171404 |
| top | average opponent: 1469record: 1-3 | new rating: 1404 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Mortimer, Roger (1500) | Lost 0-2 | -181469 |
| 2sealed | 471 | Lee, Charles (1655) | Draw 1-1 | +41473 |
| 3sealed | 562 | Sargent, Lynne (1482) | Lost 1-2 | -181455 |
| 4sealed | 610 | Nightingale, Tim (1445) | Lost 1-2 | -181437 |
| top | average opponent: 1521record: 0-3-1 | new rating: 1437 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 333 | Levesque, Brandon (1500) | Lost 1-2 | -191509 |
| 2standard | 546 | Parson, Ken (1466) | Won 2-1 | +171526 |
| 3standard | 552 | Sajour, Jose (1499) | Lost 0-2 | -181508 |
| 4standard | 1063 | Rees, Michael (1417) | Lost 0-2 | -201488 |
| 5standard | 1072 | Kakulatombo, Keindo (1463) | Won 2-0 | +181506 |
| 6standard | 1064 | Mulloy, Josh (1471) | Lost 0-2 | -191487 |
| top | average opponent: 1469record: 2-4 | new rating: 1487 | ||
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 227 | Mercier, Frederic (1639) | Won 2-1 | +211542 |
| 2standard | 144 | Vidal-Lessard, Thomas (1477) | Won 2-1 | +161558 |
| 3standard | 167 | Hum, Barry (1662) | Won 2-0 | +201578 |
| 4standard | 53 | Topping, Greg (1573) | Lost 0-2 | -181560 |
| 5standard | 124 | Blanchette, Jamie (1818) | Lost 1-2 | -131547 |
| 6standard | 155 | Hennick, Michael (1488) | Lost 1-2 | -191528 |
| top | average opponent: 1610record: 3-3 | new rating: 1528 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | White, Colin (1500) | Won 2-1 | +181518 |
| 2standard | 157 | Lebeau, Jonathan (1516) | Lost 0-2 | -181500 |
| 3standard | 622 | Bone, Heather (1500) | Won 2-0 | +181518 |
| 4standard | 371 | Farrell, Evan (1617) | Lost 0-1 | -161502 |
| 5standard | 525 | Favalaro, Jon (1578) | Won 2-0 | +191521 |
| 6standard | 383 | Zimmer, Michael (1519) | Won 2-0 | +181539 |
| 7standard | 137 | Scarber, Frank (1558) | Lost 0-2 | -181521 |
| top | average opponent: 1541record: 4-3 | new rating: 1521 | ||