Deerman, Jason
Current rating: 1499
Record: 19-20-1
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 54 | Riggs, Matthew (1559) | Won 2-0 | +191525 |
| 3standard | 147 | Soorani, Shaheen (2007) | Won 2-0 | +271552 |
| 4standard | 61 | Koon, David (1663) | Lost 1-2 | -161536 |
| 5standard | 118 | Fuller, Clint (1534) | Lost 0-2 | -181518 |
| 6standard | 209 | Emerson, Drew (1509) | Lost 0-2 | -191499 |
| top | average opponent: 1654record: 2-3 | new rating: 1499 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 216 | Woodworth, Broc (1559) | Lost 0-2 | -171526 |
| 2standard | 559 | Aharonoviz, Zemer (1531) | Won 2-0 | +181544 |
| 3standard | 495 | Wells, John W (1533) | Lost 0-2 | -181526 |
| 4standard | 534 | Foley, David (1468) | Lost 0-2 | -201506 |
| top | average opponent: 1523record: 1-3 | new rating: 1506 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 564 | Cordell, Robbie (1938) | Lost 0-2 | -111563 |
| 2sealed | 1061 | Wright, Joe (1481) | Lost 1-2 | -201543 |
| top | average opponent: 1710record: 0-2 | new rating: 1543 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 176 | Feeney, Luke (1523) | Won 2-1 | +171598 |
| 2standard | 141 | Dougan, Greg (1602) | Won 2-1 | +181616 |
| 3standard | 167 | Nguyen, Van (1498) | Draw 1-1 | -21614 |
| 4standard | 195 | Tummolillo, Alessio (1720) | Won 2-1 | +191633 |
| 5standard | 97 | Boyce, Jon (1638) | Won 2-1 | +191652 |
| 6standard | 44 | Hilson, Ian (1576) | Lost 1-2 | -201632 |
| 7standard | 136 | Miller, Les (1628) | Lost 0-2 | -181614 |
| 8standard | 215 | Albizu, Enrique (1471) | Won 2-1 | +161630 |
| 9standard | 159 | Doolittle, Scott (1656) | Won 2-0 | +181648 |
| 10standard | 351 | Herren, Josh (1753) | Lost 1-2 | -161632 |
| 11standard | 404 | Colligan, Aidan (1593) | Lost 0-2 | -191613 |
| 12standard | 424 | Banda, David (1541) | Lost 0-2 | -191594 |
| 13standard | 416 | Puebla, Oscar (1517) | Lost 0-2 | -201574 |
| top | average opponent: 1594record: 6-6-1 | new rating: 1574 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 462 | Riis-Due, Austin (1534) | Won 2-1 | +191499 |
| 2standard | 283 | Cilione, Angelo (1518) | Lost 0-2 | -181481 |
| 3standard | 427 | Pai, Ryan (1483) | Lost 0-2 | -181463 |
| 4standard | 602 | Arnold, Matthew (1446) | Won 2-1 | +181481 |
| 5standard | 623 | Simpson, Joshua (1502) | Won 2-1 | +181499 |
| 6standard | 370 | Gruver, Robert (1518) | Won 2-1 | +191518 |
| 7standard | 200 | Lyon, Brandon (1559) | Lost 1-2 | -181500 |
| 8standard | 404 | Smith, RJ (1398) | Won 2-0 | +161516 |
| 9standard | 206 | Lattimer, Shane (1545) | Won 2-0 | +191535 |
| 10standard | 125 | Wilson, Leroy (1569) | Won 2-1 | +191554 |
| 11standard | 128 | Chapin, Patrick (1941) | Won 2-1 | +241578 |
| 12standard | 81 | MacGillivray, Joseph (1640) | Lost 0-2 | -171561 |
| 13standard | 129 | Thompson, Brandon (1595) | Won 2-0 | +191580 |
| 14standard | 97 | Clymer, Jason (1624) | Lost 1-2 | -171563 |
| 15standard | 136 | Castillon Jr, Jimmy (1553) | Won 2-0 | +181581 |
| top | average opponent: 1562record: 10-5 | new rating: 1581 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Heckel, Ronald (1373) | Lost 0-2 | -201480 |
| top | record: 0-1 | new rating: 1480 | ||