Coppinger, Clarence
Current rating: 1456
Record: 29-35
| Grand Prix Columbus 2019 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Holmes, John (1500) | Lost 0-2 | -171433 |
| 2modern | 202 | Morant, Robert (1482) | Won 2-0 | +191452 |
| 3modern | 237 | Billiot, Rachel (1488) | Won 2-0 | +181470 |
| 4modern | 76 | Ciesielczyk, Cody (1532) | Won 2-0 | +191489 |
| 5modern | 77 | Luettger, Christopher (1541) | Lost 1-2 | -171472 |
| 6modern | 128 | Shepherd, Zach (1588) | Lost 0-2 | -161456 |
| top | average opponent: 1522record: 3-3 | new rating: 1456 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 773 | Sperling, Chris (1421) | Won 2-1 | +171457 |
| 2modern | 582 | Rodgers, Jeffrey (1510) | Won 2-1 | +191476 |
| 3modern | 136 | Tolar, Chris (1568) | Lost 0-2 | -161460 |
| 4modern | 899 | Kirkland, Matt (1561) | Lost 1-2 | -161444 |
| 5modern | 1153 | Ellis, Bennett (1612) | Lost 1-2 | -151429 |
| 6modern | 1038 | Edelsack, Joseph (1513) | Won 2-0 | +191448 |
| 7modern | 794 | Swope, Johann (1505) | Won 2-1 | +191467 |
| 8modern | 607 | Cornett, Joshua (1489) | Lost 0-2 | -171450 |
| top | average opponent: 1522record: 4-4 | new rating: 1450 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 285 | Wilkinson, George (1492) | Won 2-1 | +181471 |
| 2sealed | 2143 | Billingsley, Jason (1488) | Won 2-1 | +191490 |
| 3sealed | 209 | Pound, David (1575) | Lost 1-2 | -171473 |
| 4sealed | 743 | Vu, Phillip (1557) | Lost 1-2 | -161457 |
| 5sealed | 723 | Reed, Chris (1504) | Lost 1-2 | -171440 |
| top | average opponent: 1523record: 2-3 | new rating: 1440 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 489 | Gimmillaro, Stefan (1633) | Lost 1-2 | -151449 |
| 2legacy | 665 | Nichols, Walter (1415) | Won 2-0 | +171466 |
| 3legacy | 838 | Walker, Nicholas (1447) | Lost 0-2 | -181448 |
| 4legacy | 1087 | Mullan, Paul (1543) | Won 2-0 | +201468 |
| 5legacy | 803 | Martin, Russ (1555) | Won 2-0 | +191487 |
| 6legacy | 733 | Scherhag, Isaac (1474) | Lost 1-2 | -181469 |
| 7legacy | 679 | Salts, Matt (1572) | Lost 1-2 | -161453 |
| top | average opponent: 1520record: 3-4 | new rating: 1453 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 349 | Mulligan, Richard (1517) | Won 2-1 | +191483 |
| 2legacy | 443 | Javed, Alexander (1601) | Lost 0-2 | -161467 |
| 3legacy | 940 | Schulte, Duncan (1516) | Won 2-1 | +191486 |
| 4legacy | 750 | Williams, Greg (1686) | Won 2-0 | +221508 |
| 5legacy | 573 | Cook, Bryant (1766) | Lost 1-2 | -141494 |
| 6legacy | 740 | Passarelli, Hayden (1684) | Lost 0-2 | -141480 |
| 7legacy | 724 | Seliskar, Stephen (1450) | Lost 0-2 | -191461 |
| 8legacy | 732 | Phillips, Jon (1593) | Lost 1-2 | -161445 |
| 9legacy | 740 | Applegate, Ian (1462) | Won 2-0 | +191464 |
| top | average opponent: 1586record: 4-5 | new rating: 1464 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 271 | Thomas, Joseph (1442) | Won 2-1 | +181497 |
| 2modern | 390 | Condon, Alex (1527) | Won 2-1 | +181515 |
| 3modern | 243 | Reyes, Ruben (1501) | Lost 0-2 | -181497 |
| 4modern | 520 | Beam, Seth (1467) | Won 2-1 | +171514 |
| 5modern | 302 | Gleason, Justin (1533) | Lost 1-2 | -171497 |
| 6modern | 393 | Jones, Zach (1529) | Lost 1-2 | -181479 |
| 7modern | 461 | Elsik, Zac (1773) | Lost 0-2 | -131466 |
| 8modern | 620 | Belknap, Randy (1463) | Won 2-0 | +181484 |
| 9modern | 498 | White, Jacob (1346) | Lost 0-2 | -201464 |
| top | average opponent: 1509record: 4-5 | new rating: 1464 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 330 | Cross, Rodney (1500) | Lost 0-2 | -181487 |
| 2modern | 492 | Nyberg, Michael (1918) | Won 2-0 | +261513 |
| 3modern | 561 | Sherman, Isaac (1465) | Lost 0-2 | -191494 |
| 4modern | 748 | Spicklemire, Clay (1795) | Lost 1-2 | -131481 |
| 5modern | 819 | Stevenson, Tom (1466) | Lost 0-2 | -181463 |
| 6modern | 837 | Smith, David (1374) | Won 2-0 | +161479 |
| top | average opponent: 1586record: 2-4 | new rating: 1479 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 630 | Durr, Calen (1424) | Lost 0-2 | -191465 |
| 2modern | 784 | Kubiak, Mark (1482) | Won 2-0 | +181483 |
| 3modern | 988 | Wellington, Kellen (1448) | Won 2-0 | +171500 |
| 4modern | 357 | Duhamel, Erik (1501) | Lost 0-2 | -181482 |
| 5modern | 760 | Milz, Lawrence (1503) | Won 2-1 | +191501 |
| 6modern | 636 | Walsh, Daniel (1682) | Lost 1-2 | -151486 |
| 7modern | 795 | Wemekamp, Andrew (1537) | Won 2-1 | +191505 |
| 8modern | 584 | Mazur, Spencer (1478) | Lost 1-2 | -191486 |
| 9modern | 581 | McCarty, John (1548) | Won 2-0 | +191505 |
| top | average opponent: 1511record: 5-4 | new rating: 1505 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 177 | Habener, Drew (1500) | Lost 1-2 | -181482 |
| 2modern | 389 | Falkenhagen, Jason (1482) | Won 2-1 | +181500 |
| 3modern | 268 | Roy, Anjon (1591) | Lost 0-2 | -161484 |
| 4modern | 399 | Engelbrecht, Josh (1482) | Won 2-0 | +181502 |
| 5modern | 263 | Lougheed, Ryan (1500) | Lost 0-2 | -181484 |
| top | average opponent: 1511record: 2-3 | new rating: 1484 | ||