Lackey, Matthew
Current rating: 1649
Record: 22-13-2 (GP) / 1-6 (professional)
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 14 | Gallegos, Rodrigo (1480) | Lost 1-2 | -181488 |
| 3standard | 271 | Levin, Eugene (1900) | Won 2-0 | +251513 |
| 4standard | 208 | Lopez, Estevan (1734) | Won 2-1 | +221535 |
| 5standard | 225 | Gutierrez, Steven (1581) | Won 2-1 | +191554 |
| 6standard | 124 | Simmons, Rashad (1520) | Won 2-1 | +171571 |
| 7standard | 26 | Walski, John (1737) | Won 2-0 | +211592 |
| 8standard | 19 | de Diego, Pedro (1775) | Lost 1-2 | -151577 |
| 9standard | 89 | Kalbus, Wes (1900) | Won 2-0 | +241601 |
| 10standard | 33 | Kennedy, Tyler (1579) | Lost 1-2 | -181583 |
| 11standard | 75 | Peters, Stephen (1726) | Won 2-0 | +201603 |
| 12standard | 29 | Gordy, Chris (1755) | Won 2-0 | +211624 |
| 13standard | 41 | Zamora, Eddie (1704) | Lost 1-2 | -171607 |
| 14standard | 41 | Landweber, Joseph (1685) | Won 2-0 | +201627 |
| 15standard | 38 | Davila, David (1865) | Won 2-0 | +221649 |
| top | average opponent: 1710record: 10-4 | new rating: 1649 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 44 | Susak, Eric (1509) | Won 2-0 | +171562 |
| 2modern | 169 | Fannon, Christian (1523) | Lost 1-2 | -191543 |
| 3modern | 368 | Braid, Travis (1397) | Won 2-0 | +161559 |
| 4modern | 418 | Folsom, Kyer (1614) | Lost 1-2 | -171542 |
| 5modern | 402 | Fitzer, Max (1510) | Lost 0-2 | -191523 |
| 6modern | 480 | Eriksson, Kjell (1578) | Lost 0-2 | -171506 |
| top | average opponent: 1522record: 2-4 | new rating: 1506 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 512 | Hurtt, Zabery (1500) | Lost 0-2 | -191545 |
| top | record: 0-1 | new rating: 1545 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Polsky, Max (1553) | Draw 1-1 | +31410 |
| 2standard | 460 | Skerrett, Marcus (1500) | Won 2-1 | +201430 |
| 3standard | 478 | Simmons, Barry (1470) | Won 2-0 | +181448 |
| 4standard | 257 | Pekar, George (1498) | Won 2-1 | +191467 |
| 5standard | 123 | Chang, Morgan (1746) | Lost 0-2 | -131454 |
| 6standard | 297 | Cooney, Nate (1440) | Lost 0-2 | -181436 |
| 7standard | 290 | Copple, Ryan (1534) | Won 2-0 | +201456 |
| 8standard | 319 | Sousa, Alex (1521) | Won 2-0 | +191475 |
| 9standard | 206 | Kelterbaum, Richard (1439) | Won 2-0 | +171492 |
| 10standard | 126 | Sullano, Andrew (1784) | Won 2-0 | +231515 |
| 11standard | 83 | Munteanu, Laura (1541) | Draw 1-1 | +11516 |
| 12standard | 140 | Rowe, Taylor (1613) | Won 2-1 | +201536 |
| 13standard | 92 | Overbeck, Stephen (1611) | Won 2-1 | +191555 |
| 14standard | 59 | Angelin, Marcus (1795) | Won 2-0 | +221577 |
| 15standard | 37 | Schnayer, David (1831) | Lost 1-2 | -131564 |
| top | average opponent: 1592record: 10-3-2 | new rating: 1564 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 337 | Weires, Synthia (1401) | Lost 0-2 | -191407 |
| top | record: 0-1 | new rating: 1407 | ||
| Pro Tour Los Angeles 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 142 | Failla, Andrea (1540) | Lost 0-2 | -171483 |
| 2extended | 150 | Brodzak, Jan (1757) | Lost 1-2 | -131470 |
| 3extended | 137 | Abrams, Matt (1605) | Lost 1-2 | -161454 |
| 4extended | 155 | Harle, Thomas (1576) | Lost 0-2 | -161438 |
| 5extended | 159 | Kelly, Chris J (1443) | Won 2-1 | +181456 |
| 6extended | 147 | Zang, Shu Nu (1545) | Lost 1-2 | -161440 |
| 7extended | 126 | Von Kalkstein, Christian (1648) | Lost 1-2 | -141426 |
| top | average opponent: 1587record: 1-6 | new rating: 1426 | ||