Marchant, William
Current rating: 1413
Record: 5-10-2
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Phan, Kevin (1500) | Lost 0-0 | -171445 |
| 2standard | 236 | Sealy, Trey (1482) | Lost 1-2 | -171428 |
| 3standard | 254 | Andade, Thomas (1464) | Draw 1-1 | 01428 |
| 4standard | 299 | Parsons, Joshua (1466) | Lost 1-2 | -171411 |
| 5standard | 287 | Fulcher, Katherine (1464) | Lost 0-2 | -171394 |
| 6standard | 258 | Whitis, Phillip (1409) | Won 2-1 | +181412 |
| 7standard | 216 | McConnell, Michael B (1463) | Draw 1-1 | +11413 |
| 8standard | 182 | Morning, Matthew (1445) | Lost 0-2 | -171396 |
| 9standard | 155 | Strickland, Aubrey (1350) | Won 2-0 | +171413 |
| average opponent: 1449record: 2-5-2 | new rating: 1413 | |||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Shu, Jason (1500) | Lost 0-2 | -181482 |
| 2sealed | 311 | Sauls, Zac (1483) | Lost 0-2 | -181464 |
| 3sealed | 416 | Burgoyne, Shelly (1464) | Lost 0-2 | -181446 |
| 4sealed | 468 | Crouse-Helford, Lane (1447) | Won 2-1 | +181464 |
| 5sealed | 410 | Brown, Jarrod (1464) | Won 2-0 | +181482 |
| 6sealed | 359 | Mathis, Jeffrey (1482) | Won 2-0 | +181500 |
| 7sealed | 254 | Vlahovich, Heather J (1396) | Lost 0-2 | -201480 |
| 8sealed | 238 | Mixon, Sean (1480) | Lost 0-2 | -181462 |
| average opponent: 1464record: 3-5 | new rating: 1462 | |||