Coppeta, John
Current rating: 1648
Record: 33-26
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 232 | Bialkowski, Adam (1582) | Won 2-0 | +161701 |
| 4sealed | 83 | Shrader, Lance (1720) | Lost 0-2 | -171684 |
| 5sealed | 243 | Krut, Isaak (1929) | Lost 1-2 | -141670 |
| 6sealed | 223 | Orpilla, Leonard (1434) | Lost 0-2 | -221648 |
| top | average opponent: 1666record: 1-3 | new rating: 1648 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1689 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 214 | Davis, Todd (1940) | Lost 1-2 | -141675 |
| 3sealed | 487 | Vance, Michael (1644) | Won 2-0 | +181693 |
| 4sealed | 187 | Tillman, Justin (1484) | Won 2-0 | +141707 |
| 5sealed | 169 | Morse, Sean (1719) | Lost 0-2 | -181689 |
| 6sealed | 291 | Jorge, Fabio (1513) | Won 2-0 | +151704 |
| 7sealed | 214 | Walker, Pierce (1647) | Lost 1-2 | -191685 |
| top | average opponent: 1658record: 3-3 | new rating: 1685 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 161 | Vanderbeek, Chris (1465) | Won 2-1 | +171527 |
| 2modern | 296 | Tibirna, Alexandru (1455) | Won 2-0 | +171544 |
| 3modern | 68 | Bankes, Cameron (1523) | Won 2-0 | +171561 |
| 4modern | 131 | Wasson, John (1831) | Won 2-0 | +231584 |
| 5modern | 20 | Janssen, Scott (1577) | Won 2-1 | +181602 |
| 6modern | 33 | Keene, Nathan (1722) | Won 2-0 | +201622 |
| 7modern | 4 | Flink, Chris (1697) | Won 2-0 | +201642 |
| 8modern | 5 | Rapp, Michael (1571) | Lost 1-2 | -201622 |
| 9modern | 31 | Guilbert, Nelson (1663) | Lost 0-2 | -171605 |
| 10modern | 409 | Yetman, Caleb (1590) | Lost 1-2 | -181587 |
| 11modern | 388 | St. Pierre, Jeff (1495) | Won 2-1 | +161603 |
| 12modern | 371 | Lu, Ben (1564) | Won 2-1 | +171620 |
| 13modern | 379 | Longo, Tyler (1813) | Won 2-1 | +221642 |
| 14modern | 369 | Gauthier, Martin-Eric (2004) | Won 2-1 | +241666 |
| 15modern | 349 | Gonzalez, Fernando David (1933) | Won 2-0 | +231689 |
| top | average opponent: 1660record: 12-3 | new rating: 1689 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Henry, Ian (1483) | Won 2-0 | +181496 |
| 2standard | 165 | Dittus, Joe (1518) | Won 2-0 | +191515 |
| 3standard | 48 | Haddad, Nick (1473) | Lost 0-2 | -191496 |
| 4standard | 380 | Babcock, Gary (1430) | Won 2-1 | +171513 |
| 5standard | 209 | Cooper, Ryan (1432) | Won 2-1 | +161529 |
| 6standard | 131 | Robertson, Brian (1462) | Lost 0-2 | -191510 |
| 7standard | 250 | Ciaffone, Sal (1613) | Won 2-0 | +201530 |
| 8standard | 89 | Robbins, Adam (1427) | Lost 0-2 | -201510 |
| top | average opponent: 1480record: 5-3 | new rating: 1510 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 45 | Napier, Cody (1583) | Lost 1-2 | -161498 |
| 3modern | 887 | Duhamel, Erik (1482) | Lost 0-2 | -191479 |
| 4modern | 829 | Evans, Jacob (1456) | Lost 0-2 | -181461 |
| 5modern | 967 | Pfeiffer, Eric (1465) | Won 2-1 | +181479 |
| 6modern | 924 | Wisner, Travis (1484) | Won 2-0 | +181497 |
| 7modern | 580 | Slease, Jacob (1450) | Lost 0-2 | -191478 |
| top | average opponent: 1487record: 2-4 | new rating: 1478 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 435 | Lanham, David (1517) | Won 2-1 | +181525 |
| 3modern | 29 | Sitsis, Adam (1451) | Lost 1-2 | -191506 |
| 4modern | 367 | Miller, Brian D (1557) | Won 2-0 | +191525 |
| 5modern | 222 | Stern, Jon (1904) | Lost 0-2 | -121513 |
| 6modern | 469 | DeSantis, Vinnie (1490) | Won 2-0 | +181531 |
| 7modern | 314 | Cerino, Matthew (1605) | Lost 0-2 | -171514 |
| top | average opponent: 1587record: 3-3 | new rating: 1514 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 285 | Sukhram, Joel (1512) | Lost 1-2 | -181522 |
| 3modern | 393 | Creech, Lawrence (1637) | Lost 1-2 | -161506 |
| 4modern | 504 | Steffanini, Christian (1466) | Won 2-0 | +171523 |
| 5modern | 513 | Barnett, Tyler (1665) | Won 2-1 | +211544 |
| 6modern | 374 | Drake, William (1546) | Lost 1-2 | -181526 |
| 7modern | 429 | Miller, Melissa (1498) | Lost 0-2 | -191507 |
| top | average opponent: 1554record: 2-4 | new rating: 1507 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Drain, Eric (1596) | Lost 0-2 | -161484 |
| 2sealed | 726 | Gonzalez, Alexis (1429) | Won 2-0 | +171501 |
| 3sealed | 416 | Echevarria, Tyler (1499) | Won 2-1 | +181519 |
| 4sealed | 507 | Stripes, Caleb (1522) | Won 2-0 | +181537 |
| 5sealed | 272 | Shelley, James (1536) | Won 2-0 | +181555 |
| 6sealed | 228 | Murdock, Charley (1747) | Lost 1-2 | -151540 |
| 7sealed | 266 | Lueschen, Peter (1536) | Won 2-1 | +181558 |
| 8sealed | 101 | Ayers, Benjamin (1558) | Lost 0-2 | -181540 |
| top | average opponent: 1553record: 5-3 | new rating: 1540 | ||