Yelton, John W
Current rating: 1406
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 969 | Quint, Michael (1518) | Lost 1-2 | -161417 |
| 3sealed | 1053 | Lipinski, Stanley (1500) | Lost 0-2 | -171400 |
| 4sealed | 1112 | Moore, Matt (1482) | Won 2-1 | +201420 |
| 5sealed | 969 | Borey, Ryan (1499) | Won 2-0 | +191439 |
| 6sealed | 845 | Atherton, Christopher (1522) | Lost 0-2 | -161423 |
| 7sealed | 910 | Milner, John M (1513) | Lost 0-2 | -171406 |
| top | average opponent: 1506record: 2-4 | new rating: 1406 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 155 | Cook, Samuel (1500) | Lost 0-0 | -171427 |
| 2standard | 198 | Burns, Andrew M (1482) | Lost 1-2 | -171410 |
| 3standard | 259 | Conmy, Thomas (1433) | Won 2-1 | +181428 |
| 4standard | 238 | Mitchell, Philip (1482) | Won 2-1 | +191447 |
| 5standard | 210 | Best, Glenn (1589) | Lost 0-2 | -151432 |
| 6standard | 223 | Chalker, Nathan D (1484) | Lost 0-2 | -171415 |
| 7standard | 202 | Mason, Thomas (1448) | Won 2-0 | +181433 |
| 8standard | 160 | Bouton, Anderson (1489) | Won 2-1 | +191452 |
| 9standard | 127 | Brooks, John T (1389) | Lost 1-2 | -191433 |
| top | average opponent: 1477record: 4-5 | new rating: 1433 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 37 | Russell, Conner (1575) | Lost 0-2 | -171483 |
| 3sealed | 154 | Headlee, Brandon (1461) | Lost 1-2 | -181465 |
| 4sealed | 261 | Hoffmann, Andrew (1482) | Lost 0-2 | -181447 |
| 5sealed | 278 | Brooks, John T (1463) | Won 2-0 | +191466 |
| 6sealed | 218 | Tam, Wai (1253) | Lost 1-2 | -221444 |
| top | average opponent: 1447record: 1-4 | new rating: 1444 | ||