Blackman, David
Current rating: 1526
Record: 11-11-3
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Pittenger, Timothy (1484) | Lost 1-2 | -191528 |
| 2standard | 415 | Courtemanche, Marcus (1486) | Won 2-0 | +171545 |
| 3standard | 283 | Broderick, Zachary (1428) | Lost 0-2 | -201525 |
| 4standard | 453 | Hutchinson, Christopher (1482) | Won 2-1 | +171542 |
| 5standard | 410 | LaFreniere, John (1652) | Lost 0-2 | -161526 |
| top | average opponent: 1507record: 2-3 | new rating: 1526 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 344 | Dessecker, Kaiser (1500) | Lost 0-2 | -181440 |
| 2standard | 432 | Sarver, Cory (1482) | Draw 1-1 | +11441 |
| 3standard | 576 | Jones, Michael (1514) | Won 2-1 | +191460 |
| 4standard | 483 | Starr, Roy (1462) | Draw 1-1 | 01460 |
| 5standard | 537 | Drew, Blaine (1500) | Draw 1-1 | +11461 |
| 6standard | 481 | Saldivar, Gavin (1489) | Won 2-0 | +191480 |
| 7standard | 365 | Mohr, William (1614) | Won 2-0 | +201500 |
| 8standard | 358 | Steele, Kelsey (1519) | Won 2-0 | +181518 |
| 9standard | 275 | Ogreenc, Greg (1776) | Won 2-1 | +231541 |
| 10standard | 415 | Fabiano, Gerard (1838) | Won 2-1 | +231564 |
| 11standard | 372 | [anonymous] | Lost 0-2 | -171547 |
| top | average opponent: 1574record: 6-2-3 | new rating: 1547 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 323 | Herr, Elijah (1551) | Won 2-1 | +201467 |
| 2standard | 211 | Labelle, Olivier (1538) | Lost 0-2 | -161451 |
| 3standard | 256 | Guay, Zachary (1502) | Won 2-1 | +191470 |
| 4standard | 337 | Childers, Thomas (1518) | Won 2-0 | +181488 |
| 5standard | 107 | Egli, Walter (1611) | Lost 1-2 | -151473 |
| 6standard | 294 | Massak, Shawn (1629) | Lost 1-2 | -151458 |
| top | average opponent: 1558record: 3-3 | new rating: 1458 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 801 | Bender, John (1500) | Lost 1-2 | -181482 |
| 2legacy | 1084 | Murdoch, Sean (1564) | Lost 1-2 | -161466 |
| 3legacy | 1270 | Stephan, Andrew (1465) | Lost 1-2 | -191447 |
| top | average opponent: 1510record: 0-3 | new rating: 1447 | ||