Cierniak, Erik
Current rating: 1537
Record: 22-18-1
| Grand Prix Columbus 2016 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 199 | Vazquez, Josh (1485) | Won 2-1 | +161588 |
| 2legacy | 23 | Malinowski, Mike (1484) | Lost 0-2 | -201568 |
| 3legacy | 535 | Signorini, Daniel (1884) | Lost 1-2 | -121556 |
| 4legacy | 678 | Willinger, Tim (1518) | Lost 1-2 | -191537 |
| top | average opponent: 1593record: 1-3 | new rating: 1537 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 328 | Nakamura, Robert (1500) | Won 2-0 | +161600 |
| 2modern | 132 | Steet, Joseph (1500) | Lost 0-0 | -201580 |
| 3modern | 383 | Fang, Harrison (1608) | Won 2-1 | +191599 |
| 4modern | 347 | Holls, James (1516) | Won 2-0 | +161615 |
| 5modern | 317 | Burrell, Joseph (1468) | Lost 0-2 | -201595 |
| 6modern | 340 | Miller, Dale (1507) | Won 2-0 | +161611 |
| 7modern | 149 | Ayers, Matt (1551) | Lost 1-2 | -191592 |
| 8modern | 240 | Kirshbaum, Mike (1485) | Lost 1-2 | -201572 |
| top | average opponent: 1517record: 4-4 | new rating: 1572 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 71 | Livingston, Steven (1488) | Lost 1-2 | -201573 |
| 3legacy | 370 | Hanrion, Douglas (1504) | Won 2-1 | +171590 |
| 4legacy | 223 | Madlem, Derek (1518) | Won 2-1 | +161606 |
| 5legacy | 137 | Marion, Andrew (1536) | Won 2-1 | +171623 |
| 6legacy | 164 | Hersko-Fugitt, Hunter (1538) | Lost 0-2 | -201603 |
| 7legacy | 205 | Jenkins, Benjamin (1495) | Lost 1-2 | -191584 |
| top | average opponent: 1513record: 3-3 | new rating: 1584 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 64 | Collins, Aaron A (1500) | Won 2-0 | +161620 |
| 2legacy | 14 | Ricklefs, Chris R (1518) | Won 2-1 | +161636 |
| 3legacy | 5 | Schuett, Court (1489) | Lost 1-2 | -211615 |
| 4legacy | 150 | Starr, Dane C (1518) | Won 2-0 | +171632 |
| 5legacy | 70 | Bledsoe, Doyle (1533) | Lost 0-2 | -201612 |
| 6legacy | 118 | Coppola, Christopher (1558) | Lost 1-2 | -191593 |
| top | average opponent: 1519record: 3-3 | new rating: 1593 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 199 | Penney, Joseph (1500) | Won 2-1 | +171572 |
| 2standard | 170 | Denno, Sebastian (1407) | Won 2-0 | +151587 |
| 3standard | 96 | Dupart, Travis (1536) | Won 2-0 | +171604 |
| 4standard | 55 | Miasoutov, Denys (1540) | Won 2-0 | +171621 |
| 5standard | 67 | Penick, John (1694) | Lost 0-2 | -171604 |
| 6standard | 78 | Kaff, Bryce (1543) | Won 2-0 | +171621 |
| 7standard | 70 | Nystrom, Per (1787) | Lost 0-2 | -151606 |
| 8standard | 95 | Lindler, Zac (1534) | Won 2-0 | +171623 |
| 9standard | 70 | Zappelli, Joey (1561) | Lost 0-0 | -191604 |
| top | average opponent: 1567record: 6-3 | new rating: 1604 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 302 | Auge, Chris (1518) | Won 2-0 | +181518 |
| 3legacy | 4 | Iden, Shawn (1485) | Draw 1-1 | 01518 |
| 4legacy | 155 | Burris, Josh (1587) | Lost 0-2 | -171501 |
| 5legacy | 252 | Walsh, Sean L (1479) | Lost 0-2 | -181483 |
| 6legacy | 341 | Wersal, Gunther (1466) | Won 2-0 | +171500 |
| 7legacy | 255 | Vogt, Nate (1522) | Won 2-0 | +191519 |
| 8legacy | 176 | Van Leeuwen, Andrew (1520) | Won 2-1 | +181537 |
| 9legacy | 120 | Bastien-Dionne, Pierre-Olivi (1555) | Won 2-1 | +181555 |
| top | average opponent: 1516record: 5-2-1 | new rating: 1555 | ||