Lamb, William J
Current rating: 1395
Record: 14-22-7
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1355 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 323 | Buccheri, Paul (1500) | Won 2-0 | +211376 |
| 2standard | 36 | Yeatin, Matt (1478) | Lost 0-2 | -161360 |
| 3standard | 372 | Brown IV, Laurence (1462) | Won 2-0 | +201380 |
| 4standard | 325 | Basso Viveiros, Carlos Henrique (1586) | Lost 1-2 | -151365 |
| 5standard | 380 | Salisbury, Matthew J (1501) | Draw 1-1 | +31368 |
| 6standard | 368 | Kostner, Kelly (1489) | Lost 0-2 | -161352 |
| 7standard | 358 | Belty, Alex (1504) | Won 2-0 | +211373 |
| 8standard | 268 | Farrier, Deshad (1499) | Won 2-1 | +201393 |
| 9standard | 201 | Thomas, Neil (1519) | Draw 0-0 | +21395 |
| top | average opponent: 1504record: 4-3-2 | new rating: 1395 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 824 | Spencer, James (1571) | Lost 0-2 | -151367 |
| 2sealed | 1190 | Johnson, Jeff (1496) | Lost 0-2 | -151352 |
| 3sealed | 1157 | Munis, Devin (1465) | Won 2-0 | +201372 |
| 4sealed | 1117 | Houghtaling, Matt (1465) | Lost 1-2 | -171355 |
| top | average opponent: 1499record: 1-3 | new rating: 1355 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 190 | Rosenthal, Stephen (1491) | Lost 0-0 | -181430 |
| 2standard | 204 | Cruz, Ryan A (1482) | Draw 1-1 | +11431 |
| 3standard | 236 | Glidewell, Larry R (1483) | Won 1-0 | +191450 |
| 4standard | 215 | Bennett, Jonathan (1499) | Lost 0-2 | -171433 |
| 5standard | 253 | Gibson, Derek (1482) | Lost 0-2 | -171416 |
| 6standard | 245 | Mulholland, Christopher (1462) | Lost 0-2 | -171399 |
| 7standard | 217 | Kietzman, Christopher (1447) | Lost 0-2 | -171382 |
| top | average opponent: 1478record: 1-5-1 | new rating: 1382 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Helmick, Michael J (1500) | Lost 0-2 | -181443 |
| 2standard | 288 | Hickey, Taylor A (1482) | Won 2-0 | +191462 |
| 3standard | 197 | Varela, Vicente (1499) | Won 2-1 | +191481 |
| 4standard | 222 | Matute, Gustavo (1519) | Lost 1-2 | -181463 |
| 5standard | 300 | Harrison, Steven T (1488) | Draw 1-1 | +11464 |
| 6standard | 301 | Reeder, Christopher (1499) | Draw 1-1 | 01464 |
| 7standard | 284 | Jacquet, Christophe (1461) | Lost 0-2 | -181446 |
| 8standard | 262 | Doner, Dana (1481) | Won 2-1 | +191465 |
| 9standard | 218 | Baetens, Seth (1501) | Lost 0-2 | -171448 |
| top | average opponent: 1492record: 3-4-2 | new rating: 1448 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 181 | Elkind, David J (1500) | Draw 1-1 | 01498 |
| 2extended | 145 | Berry, Brandon (1380) | Won 2-0 | +161514 |
| 3extended | 94 | Hedges, Michael (1573) | Lost 0-1 | -171497 |
| 4extended | 197 | Sanchez, Luis F (1500) | Lost 1-2 | -181479 |
| 5extended | 230 | Hoffman, Ryan (1464) | Draw 1-1 | 01479 |
| 6extended | 209 | Pickett, Lynda (1447) | Lost 0-2 | -181461 |
| top | average opponent: 1477record: 1-3-2 | new rating: 1461 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 526 | Blitch, Samuel (1500) | Won 2-1 | +181518 |
| 2sealed | 486 | Kwan, Michael (1547) | Won 2-0 | +191537 |
| 3sealed | 422 | King, Kendall (1536) | Won 2-1 | +181555 |
| 4sealed | 460 | Seitz, Luke (1500) | Lost 0-2 | -191536 |
| 5sealed | 493 | Little, Christopher J (1488) | Lost 0-2 | -191517 |
| 6sealed | 589 | Mack, Shaun (1534) | Won 2-0 | +181535 |
| 7sealed | 496 | Baugh, Jacob (1504) | Lost 0-2 | -191516 |
| 8sealed | 516 | Lynch, Ty (1517) | Lost 0-2 | -181498 |
| top | average opponent: 1516record: 4-4 | new rating: 1498 | ||