Singleton, John
Current rating: 1495
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 296 | Ma, Will (1708) | Won 2-0 | +231451 |
| 2standard | 114 | Taylor, Dustin (1611) | Won 2-1 | +211472 |
| 3standard | 110 | Roberts, Nick (1504) | Won 2-1 | +181490 |
| 4standard | 149 | Lapierre, Matt (1463) | Lost 0-2 | -181472 |
| 5standard | 188 | Wegg, James (1542) | Won 2-1 | +191491 |
| 6standard | 158 | Gabriel, Alex (1552) | Lost 1-2 | -171474 |
| 7standard | 281 | Laurin-Fortier, Thierry (1544) | Won 2-0 | +191493 |
| 8standard | 171 | Verth, Thomas (1556) | Won 2-1 | +201513 |
| 9standard | 117 | MacLean, Stuart (1527) | Lost 1-2 | -181495 |
| top | average opponent: 1556record: 6-3 | new rating: 1495 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 256 | Kuster, Thomas (1412) | Won 2-1 | +171465 |
| 4sealed | 590 | Giles, Michael (1598) | Lost 1-2 | -151450 |
| 5sealed | 94 | Scott-Vargas, Luis (1922) | Won 2-0 | +261476 |
| 6sealed | 171 | Ogreenc, Greg (1780) | Lost 1-2 | -131463 |
| 7sealed | 261 | Koolen, Adrian (1474) | Lost 1-2 | -181445 |
| 8sealed | 248 | Pineault, Mark (1483) | Lost 0-2 | -171428 |
| top | average opponent: 1612record: 2-4 | new rating: 1428 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Cochran, Michael (1500) | Won 2-0 | +181518 |
| 2sealed | 162 | Erwin, Evan (1616) | Lost 1-2 | -161502 |
| 3sealed | 223 | Lewis, Jerry L (1503) | Lost 1-2 | -181484 |
| 4sealed | 439 | Allen, Matthew (1482) | Lost 1-2 | -181466 |
| 5sealed | 418 | Mabie, Elise (1463) | Lost 0-2 | -181448 |
| top | average opponent: 1513record: 1-4 | new rating: 1448 | ||