Cromwell, Collin
Current rating: 1599
Record: 18-13
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Wilborn, Timothy (1500) | Won 2-1 | +171549 |
| 2sealed | 368 | Renner, Chris (1352) | Won 2-1 | +151564 |
| 3sealed | 71 | Malisiak, Ryne (1492) | Won 2-1 | +161580 |
| 4sealed | 64 | Hwang, Eugene (2031) | Lost 0-2 | -101570 |
| 5sealed | 377 | Bishop, Eric (1388) | Won 2-0 | +151585 |
| 6sealed | 233 | Cucunato, Robert (1755) | Lost 0-2 | -151570 |
| 7sealed | 159 | Seigman, Daniel (1647) | Won 2-1 | +191589 |
| 8sealed | 106 | Jones, Trent (1764) | Won 2-0 | +221611 |
| 9sealed | 135 | Yamamoto, Kentaro (1992) | Lost 0-2 | -121599 |
| top | average opponent: 1658record: 6-3 | new rating: 1599 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 211 | Flannagan, Jaxon (1484) | Lost 1-2 | -191516 |
| 2sealed | 423 | Mulloy, Josh (1482) | Lost 0-2 | -191497 |
| 3sealed | 568 | Deer, Kenyon (1527) | Won 2-0 | +191516 |
| 4sealed | 466 | Gagne, Patrick (1482) | Won 2-0 | +171533 |
| 5sealed | 366 | Darmouni, Guillaume (1469) | Won 2-0 | +171550 |
| 6sealed | 218 | Jackson, Greg [CAN] (1561) | Lost 1-2 | -181532 |
| top | average opponent: 1501record: 3-3 | new rating: 1532 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 141 | Jenkins, Chad (1500) | Won 2-0 | +171561 |
| 2modern | 173 | Tampold, Mik (1500) | Won 2-1 | +171578 |
| 3modern | 88 | Dzandzalas, Peter (1541) | Won 2-1 | +171595 |
| 4modern | 33 | Roias, Steven (1536) | Lost 1-2 | -191576 |
| 5modern | 94 | Haughey, Colin (1483) | Lost 1-2 | -191557 |
| 6modern | 263 | Kuras, Sebastian K (1517) | Won 2-0 | +171574 |
| 7modern | 225 | Zalewski, Shawn (1521) | Lost 1-2 | -191555 |
| 8modern | 187 | Rosu, Pamela (1424) | Lost 0-2 | -201535 |
| top | average opponent: 1503record: 4-4 | new rating: 1535 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 35 | Akhiwu, Antwar (1500) | Won 2-1 | +181518 |
| 2modern | 177 | Mothershed, Matthew (1518) | Won 2-0 | +181536 |
| 3modern | 21 | Ferrando, Matthew (1887) | Won 2-0 | +241560 |
| 4modern | 153 | Schneider, Andrew (1492) | Won 2-0 | +171577 |
| 5modern | 38 | Pal, Carlos (1728) | Lost 0-2 | -151562 |
| 6modern | 164 | Bader, Travis (1500) | Lost 1-2 | -191543 |
| 7modern | 147 | Douglass, Christopher (1542) | Won 2-1 | +181561 |
| 8modern | 115 | Fang, Harrison (1640) | Lost 0-2 | -171544 |
| top | average opponent: 1601record: 5-3 | new rating: 1544 | ||