Singh, William
Current rating: 1475
Record: 8-10
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 50 | Tumavitch, Matt (1901) | Lost 0-2 | -111509 |
| 2pioneer | 352 | Donato, Anthony (1436) | Lost 1-2 | -191490 |
| 3pioneer | 522 | Muzio, Timothy (1527) | Won 2-1 | +181508 |
| 4pioneer | 413 | Lee, Russell (1587) | Lost 1-2 | -161492 |
| 5pioneer | 474 | Suyer, Matthew (1538) | Lost 0-2 | -171475 |
| top | average opponent: 1598record: 1-4 | new rating: 1475 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 413 | Grinnell, Matt G (1483) | Won 2-1 | +181518 |
| 2extended | 525 | Bledsoe, Doyle (1557) | Won 2-0 | +191537 |
| 3extended | 428 | Wienburg, Ben (1719) | Lost 0-2 | -151522 |
| 4extended | 527 | Frederick, Ray R (1536) | Won 2-1 | +181540 |
| 5extended | 534 | Pulliam, Steven (1492) | Won 2-1 | +171557 |
| 6extended | 451 | Mckinney, Nathan R (1510) | Lost 1-2 | -191538 |
| 7extended | 488 | Huttman, Michael (1532) | Lost 1-2 | -181520 |
| top | average opponent: 1547record: 4-3 | new rating: 1520 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 241 | Tallman, Ronald C (1500) | Won 2-0 | +181518 |
| 2standard | 1 | Orellana, Cristian (1483) | Lost 0-2 | -191499 |
| 3standard | 250 | Gouge, Joe (1466) | Won 2-1 | +181517 |
| 4standard | 251 | Majors, Michael (1601) | Lost 1-2 | -171500 |
| 5standard | 266 | Cieszynski, Eric (1499) | Lost 0-2 | -181482 |
| 6standard | 292 | Kress, Karl E (1483) | Won 2-1 | +181500 |
| top | average opponent: 1505record: 3-3 | new rating: 1500 | ||