Lucas, Mark [USA]
Current rating: 1496
Record: 11-14-1
| Grand Prix Atlanta 2018 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 222 | Mullen, Collins (1713) | Lost 0-2 | -141510 |
| 4modern | 422 | Roberts, Chris (1422) | Won 2-0 | +161526 |
| 5modern | 207 | Huang, Hao-Shan (1904) | Lost 1-2 | -111515 |
| 6modern | 457 | Marvin, Kevin (1459) | Lost 1-2 | -191496 |
| top | average opponent: 1625record: 1-3 | new rating: 1496 | ||
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 144 | Barkon, Daniel (1793) | Won 2-1 | +231524 |
| 4standard | 21 | Schaffer, Rick (1651) | Won 2-0 | +211545 |
| 5standard | 41 | Baeckstrom, Andrew (2070) | Lost 1-2 | -101535 |
| 6standard | 95 | Yurchick, Adam (1769) | Won 2-1 | +231558 |
| 7standard | 63 | Sundstrom, Mark (1635) | Lost 0-2 | -171541 |
| 8standard | 119 | Crespo, Freddie (1611) | Lost 1-2 | -171524 |
| top | average opponent: 1755record: 3-3 | new rating: 1524 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 332 | Shelton, Matthew (1500) | Lost 1-2 | -171434 |
| 2standard | 378 | Lockridge, Leona (1485) | Won 2-1 | +191453 |
| 3standard | 368 | Sides, William (1501) | Lost 1-2 | -171436 |
| 4standard | 486 | Barbour, Jermaine (1488) | Won 2-1 | +191455 |
| 5standard | 497 | Miller, Andrew (1634) | Draw 1-1 | +31458 |
| 6standard | 421 | Shrader, Lance (1695) | Won 2-1 | +221480 |
| 7standard | 305 | Heise, William (1549) | Lost 1-2 | -171463 |
| 8standard | 369 | Johnson, Timothy (1507) | Won 2-0 | +191482 |
| 9standard | 286 | Corbitt, Dustin (1544) | Won 2-0 | +191501 |
| top | average opponent: 1545record: 5-3-1 | new rating: 1501 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 427 | Mullally, Colin (1500) | Lost 0-2 | -181482 |
| 2standard | 474 | Johnson-Saeger, Samuel (1624) | Lost 1-2 | -151467 |
| 3standard | 663 | Mack, Dalton (1468) | Won 2-1 | +181485 |
| 4standard | 618 | Sparling, Jonah (1482) | Lost 0-2 | -181467 |
| 5standard | 691 | Olsen, Drew (1465) | Won 2-0 | +181485 |
| 6standard | 630 | Kelly, Frank (1509) | Lost 0-2 | -181467 |
| 7standard | 556 | Sheppard, Bradley (1575) | Lost 0-2 | -161451 |
| top | average opponent: 1518record: 2-5 | new rating: 1451 | ||