Ashkin, Jeffrey
Current rating: 1521
Record: 38-45
| Grand Prix Atlanta 2018 (modern) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 63 | Peets, Steven (1538) | Lost 1-2 | -191556 |
| 4modern | 387 | Stiyer, Samuel (1483) | Lost 0-2 | -191537 |
| 5modern | 413 | Orcutt, Jonathan (1502) | Won 2-1 | +171554 |
| 6modern | 347 | Temenak, Robert (1651) | Lost 0-2 | -161538 |
| 7modern | 384 | Claggett, Patrick (1615) | Lost 0-2 | -171521 |
| top | average opponent: 1558record: 1-4 | new rating: 1521 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 114 | Mascioli, Chris (1734) | Lost 1-2 | -161593 |
| 4sealed | 284 | McCord, Christopher (1571) | Lost 0-2 | -181575 |
| top | average opponent: 1653record: 0-2 | new rating: 1575 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 270 | Iafrate, Drew (1738) | Lost 1-2 | -161597 |
| 4standard | 357 | Thomas, John (1514) | Won 2-0 | +161613 |
| 5standard | 157 | Peters, Erik (1814) | Won 2-0 | +221635 |
| 6standard | 184 | Suber, Wes (1739) | Won 2-0 | +201655 |
| 7standard | 111 | Spano, Greggory (1762) | Won 2-1 | +201675 |
| 8standard | 34 | Nelson, Brad (2115) | Lost 1-2 | -111664 |
| 9standard | 98 | Schneider, Travis (1764) | Lost 0-2 | -161648 |
| 10standard | 142 | Lewis, Myles (1552) | Lost 0-2 | -201628 |
| 11standard | 160 | Lewis, Donald (1549) | Lost 0-2 | -191609 |
| top | average opponent: 1728record: 4-5 | new rating: 1609 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 126 | Ciafardoni, Nick (1467) | Lost 1-2 | -201555 |
| 4standard | 435 | Stroh, Brian (1725) | Won 2-0 | +211576 |
| 5standard | 179 | Raymond, Richard (1599) | Won 2-0 | +191595 |
| 6standard | 157 | Graves, Robert (1876) | Lost 1-2 | -131582 |
| 7standard | 324 | Andryshak, Ryan (1523) | Won 2-1 | +161598 |
| 8standard | 135 | Johnson, Christopher (1582) | Won 2-0 | +181616 |
| 9standard | 66 | Coleman, Allison (1790) | Won 2-0 | +211637 |
| 10standard | 51 | Yu, Jarvis (1944) | Lost 0-2 | -121625 |
| 11standard | 96 | Wolbers, Andrew (1800) | Lost 0-2 | -151610 |
| 12standard | 184 | Lo, Shong (1653) | Won 2-1 | +191629 |
| 13standard | 111 | Rivera, Emanuel (1735) | Lost 1-2 | -161613 |
| top | average opponent: 1700record: 6-5 | new rating: 1613 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 47 | Haversat, Jacob (1909) | Lost 0-2 | -131620 |
| 4sealed | 315 | Schryver, Kyle (1391) | Lost 1-2 | -221598 |
| 5sealed | 324 | McDermott, John (1570) | Won 2-0 | +171615 |
| 6sealed | 293 | Aali, Shah (1522) | Lost 1-2 | -191596 |
| 7sealed | 335 | Cunningham, Joshua (1448) | Lost 0-2 | -211575 |
| top | average opponent: 1568record: 1-4 | new rating: 1575 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 108 | Grorud, Dustin (1526) | Won 2-0 | +171575 |
| 4standard | 22 | McNamara, Brendan (1718) | Won 2-1 | +211596 |
| 5standard | 62 | League, Charles (1816) | Lost 1-2 | -141582 |
| 6standard | 128 | Reynolds, Matthew (1632) | Won 2-0 | +191601 |
| 7standard | 51 | Lundy, Tyler (1547) | Won 2-1 | +171618 |
| 8standard | 19 | Gaieski, Ethan (1867) | Lost 1-2 | -141604 |
| 9standard | 70 | Plummer, Daniel (1583) | Won 2-0 | +181622 |
| 10standard | 68 | Sullivan, Cameron (1814) | Won 2-1 | +211643 |
| 11standard | 18 | Carlson, Nick (1689) | Won 2-1 | +191662 |
| 12standard | 9 | Peters, Erik (1855) | Lost 0-2 | -151647 |
| 13standard | 32 | Ruggieri, Austin (1608) | Lost 0-2 | -181629 |
| 14standard | 54 | Remelt, Shane (1622) | Lost 1-2 | -181611 |
| 15standard | 73 | Hicks, Jackson (1860) | Won 2-1 | +221633 |
| top | average opponent: 1703record: 8-5 | new rating: 1633 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 30 | Shukla, Neeraj (1729) | Won 2-1 | +201606 |
| 4standard | 86 | Alter, Scott (1853) | Lost 0-2 | -131593 |
| 5standard | 113 | Corbo, Quade (1644) | Lost 0-2 | -171576 |
| 6standard | 250 | Robertson, David (1397) | Won 2-0 | +141590 |
| 7standard | 144 | Stankey, Matt (1922) | Lost 1-2 | -121578 |
| 8standard | 193 | Taylor, Robert (1431) | Lost 1-2 | -201558 |
| top | average opponent: 1663record: 2-4 | new rating: 1558 | ||
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 58 | Scarborough, Austin (1541) | Lost 0-2 | -191562 |
| 4standard | 201 | Taylor, Zachary (1593) | Won 2-0 | +191581 |
| 5standard | 117 | Lossett, Joe (1773) | Lost 0-2 | -151566 |
| 6standard | 191 | Kehn, Austin (1493) | Won 2-1 | +171583 |
| 7standard | 96 | Villalpando, Michael (1524) | Won 2-0 | +171600 |
| 8standard | 110 | Zachow, Andrew (1592) | Lost 0-2 | -181582 |
| 9standard | 154 | O'Hollearn, Zachary (1535) | Won 2-1 | +171599 |
| 10standard | 65 | Atchison, Taylor (1864) | Lost 0-2 | -131586 |
| top | average opponent: 1614record: 4-4 | new rating: 1586 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 309 | Gross, David (1761) | Won 2-1 | +231508 |
| 4sealed | 159 | Blohon, Lukas (2004) | Won 2-0 | +261534 |
| 5sealed | 101 | Leal, Julian (1570) | Won 2-0 | +191553 |
| 6sealed | 27 | Jessup, Andrew (1815) | Lost 1-2 | -131540 |
| 7sealed | 53 | Barlow, David (1847) | Won 2-0 | +231563 |
| 8sealed | 72 | Majlaton, Alex (2014) | Won 2-0 | +261589 |
| 9sealed | 47 | Mines, David (2018) | Won 2-0 | +251614 |
| 10draft | 665 | Cuvelier, John (1998) | Lost 1-2 | -111603 |
| 11draft | 744 | Davis, Samar (1613) | Lost 1-2 | -181585 |
| 12draft | 799 | Tharmaratnam, Samuel (2024) | Won 2-1 | +261611 |
| 13draft | 799 | Reynolds, Patrick (1724) | Lost 0-2 | -161595 |
| 14draft | 761 | Nance, Hunter (1847) | Lost 1-2 | -141581 |
| top | average opponent: 1853record: 7-5 | new rating: 1581 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 741 | Terpening, Joshua (1567) | Lost 0-2 | -161459 |
| 4sealed | 855 | Kerrigan, Andrew (1767) | Won 2-0 | +231482 |
| 5sealed | 731 | May, Taylor (1749) | Won 2-1 | +231505 |
| 6sealed | 671 | Fortanely, Bobby (1891) | Lost 1-2 | -111494 |
| 7sealed | 686 | Bell, Alex (1644) | Lost 0-2 | -151479 |
| 8sealed | 773 | Sokol, Greg (1794) | Won 2-0 | +231502 |
| 9sealed | 686 | Yurkovich, Peter (1563) | Lost 1-2 | -171485 |
| top | average opponent: 1711record: 3-4 | new rating: 1485 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 421 | Rice, Donald (1399) | Won 2-1 | +161516 |
| 2modern | 287 | Stephens, Ethan (1541) | Lost 0-2 | -171499 |
| 3modern | 700 | Stegemann, Timothy (1446) | Lost 0-2 | -191480 |
| 4modern | 198 | Williamson, Scott (1207) | Won 2-0 | +131493 |
| 5modern | 749 | Morgan, McKinley (1517) | Lost 0-2 | -181475 |
| top | average opponent: 1422record: 2-3 | new rating: 1475 | ||