Lapp, Tom
Current rating: 1512
Record: 9-9
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Breyne, Marcus (1500) | Lost 1-2 | -171427 |
| 2sealed | 407 | Beal, Jeremy (1482) | Won 2-0 | +191446 |
| 3sealed | 315 | Wiper, Morgan (1482) | Won 2-1 | +191465 |
| 4sealed | 373 | Petranovich, Ryan (1519) | Won 2-0 | +191484 |
| 5sealed | 205 | Wheeler, Tyrell (1578) | Lost 0-2 | -171467 |
| 6sealed | 275 | Welker, Curtis (1519) | Won 2-0 | +191486 |
| 7sealed | 176 | Ford, Aaron M (1535) | Won 2-0 | +191505 |
| 8sealed | 144 | Gurevich, Misha (1727) | Lost 1-2 | -141491 |
| 9sealed | 139 | Janz, Carl (1631) | Won 2-1 | +211512 |
| average opponent: 1552record: 6-3 | new rating: 1512 | |||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 268 | Foss, Cody (1446) | Lost 0-2 | -191481 |
| 2standard | 444 | Reynolds, Brian (1399) | Won 2-1 | +171498 |
| 3standard | 403 | Hooper, Matthew (1498) | Lost 0-2 | -181480 |
| 4standard | 467 | Lamica, Jon (1482) | Lost 1-2 | -181462 |
| 5standard | 447 | mcliesh, dale p (1448) | Lost 0-2 | -191443 |
| 6standard | 407 | Sawyer, Stacey (1445) | Won 2-0 | +181461 |
| 7standard | 342 | Empyrion, Jade (1463) | Lost 0-2 | -181443 |
| 8standard | 9 | Uran, Matt (1448) | Won 2-0 | +181461 |
| 9standard | 201 | Briggs, Mark (1481) | Lost 0-0 | -171444 |
| average opponent: 1457record: 3-6 | new rating: 1444 | |||