Cotner, Nathan
Current rating: 1452
Record: 15-19
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 510 | Drucker, Travis (1500) | Lost 0-2 | -171452 |
| 2modern | 643 | Schmit, Matt (1354) | Lost 0-2 | -201432 |
| 3modern | 805 | Parrack, Nathan (1464) | Won 2-0 | +181450 |
| 4modern | 666 | Abraham, Matthew 0579 (1482) | Lost 0-2 | -171433 |
| 5modern | 753 | Yang, Pierre (1466) | Won 2-0 | +191452 |
| top | average opponent: 1453record: 2-3 | new rating: 1452 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 58 | Strautz, Marcel (1580) | Lost 1-2 | -171503 |
| 4legacy | 458 | Hord, Chad (1582) | Lost 1-2 | -161487 |
| 5legacy | 603 | Hickey, Jared (1487) | Lost 1-2 | -181469 |
| 6legacy | 555 | Winter, Zachary (1480) | Won 2-0 | +181487 |
| 7legacy | 479 | McKinney, Christopher (1467) | Won 2-1 | +171504 |
| 8legacy | 307 | Muller, Chris (1529) | Lost 0-2 | -171487 |
| 9legacy | 321 | Codman, John (1491) | Lost 1-2 | -181469 |
| top | average opponent: 1517record: 2-5 | new rating: 1469 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 291 | Penn, Dustin (1498) | Won 2-0 | +181506 |
| 3modern | 158 | Kelliher, Patrick (1536) | Won 2-1 | +191525 |
| 4modern | 2 | Adams, Justin (1571) | Won 2-1 | +191544 |
| 5modern | 78 | Peppler, Kevin (1589) | Lost 0-2 | -181526 |
| 6modern | 108 | Schuett, Court (1671) | Won 2-1 | +211547 |
| 7modern | 70 | Hinkle, Charles (1781) | Lost 0-2 | -141533 |
| 8modern | 130 | Ketter, Kent (1802) | Lost 1-2 | -131520 |
| top | average opponent: 1635record: 4-3 | new rating: 1520 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 476 | Gates, Cody (1538) | Lost 1-2 | -181490 |
| 2sealed | 662 | Morey, Kenneth (1482) | Won 2-1 | +181508 |
| 3sealed | 771 | Fisher, Wilson (1500) | Lost 0-2 | -181490 |
| 4sealed | 539 | C865, Bryan (1463) | Won 2-1 | +171507 |
| 5sealed | 572 | Marchington, Scott (1506) | Won 2-0 | +181525 |
| 6sealed | 610 | Thomas, Cary (1502) | Lost 1-2 | -181507 |
| 7sealed | 501 | Scheid, Daniel (1452) | Lost 0-2 | -191488 |
| top | average opponent: 1492record: 3-4 | new rating: 1488 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 117 | Jeffery, Richard (1518) | Won 2-0 | +181518 |
| 3standard | 59 | Kowal, Brian (1738) | Won 2-1 | +221540 |
| 4standard | 23 | Farnung, Ian (1739) | Lost 0-2 | -141526 |
| 5standard | 103 | Masliah, Jordan (1538) | Lost 1-2 | -181508 |
| 6standard | 241 | Fagerhaug, Daniel (1519) | Lost 0-2 | -181490 |
| 7standard | 292 | TwoCrow, Aaron (1436) | Lost 1-2 | -191471 |
| 8standard | 239 | Fehon, Garrett (1483) | Won 2-1 | +191490 |
| 9standard | 195 | Fehr, Taryn (1500) | Won 2-1 | +181508 |
| top | average opponent: 1559record: 4-4 | new rating: 1508 | ||