Colvin, Robert
Current rating: 1550
Record: 20-18
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 264 | Herretes, Jared (1540) | Won 2-0 | +181574 |
| 2sealed | 156 | Holcomb, John (1517) | Lost 1-2 | -191555 |
| 3sealed | 216 | Cohu, Cliff (1487) | Lost 1-2 | -201535 |
| 4sealed | 247 | Starkey, Caitlin (1482) | Won 2-1 | +171552 |
| 5sealed | 186 | Hines, Justin (1503) | Won 2-1 | +171569 |
| 6sealed | 178 | Fischer, Nicholas (1515) | Lost 0-2 | -191550 |
| top | average opponent: 1507record: 3-3 | new rating: 1550 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 314 | Clark, Gabriel (1500) | Won 2-0 | +181506 |
| 2standard | 14 | Brolmann, Shane (1510) | Won 2-1 | +181524 |
| 3standard | 278 | Nunn, Jeremiah (1536) | Won 2-0 | +181542 |
| 4standard | 33 | Chatfield, Lawrence (1527) | Won 2-0 | +181560 |
| 5standard | 52 | Bemrose, Ryan (1866) | Lost 1-2 | -121548 |
| 6standard | 86 | Stern, Jon (1929) | Won 2-1 | +241572 |
| 7standard | 51 | Sklar, Jacob (1720) | Lost 1-2 | -151557 |
| 8standard | 191 | Behrens, Joseph (1525) | Won 2-0 | +171574 |
| 9standard | 108 | Dalke, William (1555) | Lost 1-2 | -181556 |
| top | average opponent: 1630record: 6-3 | new rating: 1556 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 250 | Bell, Glen (1500) | Lost 0-2 | -181446 |
| 2sealed | 238 | Summerlin, Aubrey (1584) | Lost 1-2 | -151431 |
| 3sealed | 380 | Robertson, Jacob (1410) | Lost 1-2 | -191412 |
| 4sealed | 396 | Rivers, Sean (1447) | Won 2-0 | +191431 |
| 5sealed | 345 | Dye, William (1463) | Won 2-0 | +191450 |
| 6sealed | 278 | Horlacher, Travis (1522) | Lost 1-2 | -171433 |
| 7sealed | 239 | Griffith, Derek (1462) | Won 2-1 | +181451 |
| 8sealed | 188 | Dubach, Jon (1484) | Won 2-0 | +191470 |
| 9sealed | 153 | Johnson, Austin (1460) | Won 2-1 | +181488 |
| top | average opponent: 1481record: 5-4 | new rating: 1488 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 368 | James, Lephi (1481) | Lost 1-2 | -181462 |
| 2standard | 359 | Warrington, Chris (1481) | Lost 0-2 | -171445 |
| 3standard | 638 | Rhoades, Evan (1383) | Won 2-0 | +161461 |
| 4standard | 633 | Withnall, Morgan (1482) | Won 2-0 | +191480 |
| 5standard | 326 | Powers, Ray (1553) | Lost 1-2 | -171463 |
| 6standard | 441 | Gillam, Andrew (1466) | Lost 1-2 | -181445 |
| 7standard | 396 | Gallentine, Ethan (1431) | Won 2-1 | +181463 |
| 8standard | 323 | Worman, Christopher (1487) | Lost 0-2 | -181445 |
| 9standard | 265 | Ryan, Noah (1463) | Won 2-0 | +191464 |
| top | average opponent: 1470record: 4-5 | new rating: 1464 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 128 | Bainbridge, Mason (1446) | Won 2-0 | +171517 |
| 2standard | 194 | Goedecke, Nick (1500) | Lost 0-2 | -181499 |
| 3standard | 358 | Johnson, Marc (1500) | Won 2-0 | +181517 |
| 4standard | 348 | Long, Nate (1500) | Lost 0-2 | -191498 |
| 5standard | 369 | Warner, Shayna (1482) | Lost 1-2 | -181480 |
| top | average opponent: 1486record: 2-3 | new rating: 1480 | ||