Pearson, Lucas B
Current rating: 1565
Record: 15-13
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 634 | Washington, Douglas (1500) | Won 0-0 | +181513 |
| 2sealed | 717 | Grauman, Joshua (1471) | Won 2-0 | +171530 |
| 3sealed | 636 | Marini, Robert (1537) | Won 2-0 | +191549 |
| 4sealed | 530 | Lindgren, Tommi (1786) | Lost 0-2 | -141535 |
| 5sealed | 657 | Phillips, Eric (1766) | Lost 1-2 | -141521 |
| 6sealed | 712 | Baker, Robert (1518) | Won 2-1 | +181539 |
| 7sealed | 588 | Rittiner, Joe (1615) | Won 2-0 | +191558 |
| 8sealed | 553 | Medwin, Allison H (1577) | Won 2-0 | +191577 |
| 9sealed | 549 | Jacob, Michael (1952) | Lost 0-2 | -121565 |
| top | average opponent: 1636record: 6-3 | new rating: 1565 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | McGregor, Trevor (1520) | Won 2-1 | +181524 |
| 2standard | 5 | Guardiano, Patrick (1586) | Lost 1-2 | -171507 |
| 3standard | 485 | Fladger, Dorian (1500) | Won 2-1 | +181525 |
| 4standard | 227 | Jacobson, Mary (1572) | Lost 1-2 | -171508 |
| 5standard | 397 | Spagnolo, Nicholas (1832) | Won 2-0 | +241532 |
| 6standard | 384 | Teeter, David (1519) | Lost 1-2 | -191513 |
| 7standard | 372 | Woo, Paul (1501) | Lost 1-2 | -181495 |
| top | average opponent: 1576record: 3-4 | new rating: 1495 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Fisher, Chris A (1500) | Won 2-1 | +181498 |
| 2sealed | 376 | Feairs, Todd C (1517) | Won 2-0 | +181516 |
| 3sealed | 353 | Marchesano, Ernie (1607) | Lost 0-2 | -161500 |
| 4sealed | 430 | Bixler, Robert (1503) | Won 2-0 | +181518 |
| 5sealed | 395 | Li, Roger (1537) | Won 2-0 | +181536 |
| 6sealed | 350 | Suarez, Andres (1820) | Lost 0-2 | -131523 |
| 7sealed | 424 | Hayes, Robert (1541) | Lost 1-2 | -171506 |
| top | average opponent: 1575record: 4-3 | new rating: 1506 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 725 | Williamson, Scott (1360) | Won 2-0 | +151515 |
| 2standard | 772 | Thompson, Zach (1533) | Lost 1-2 | -171498 |
| 3standard | 806 | Hernandez, Omar (1500) | Lost 0-2 | -181480 |
| 4standard | 1020 | Perreault, Normand (1481) | Won 2-0 | +181498 |
| 5standard | 862 | Braun-Duin, Brian (1482) | Lost 0-2 | -181480 |
| top | average opponent: 1471record: 2-3 | new rating: 1480 | ||