Chapman, Ian
Current rating: 1374
Record: 10-21-3
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Adams, Ken (1883) | Lost 0-2 | -101371 |
| 2sealed | 477 | Hesselbach, Brian (1484) | Won 2-0 | +201391 |
| 3sealed | 369 | Hamilton, John (1441) | Lost 1-2 | -171374 |
| top | average opponent: 1603record: 1-2 | new rating: 1374 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 394 | Pfeiffer, James (1825) | Lost 0-2 | -111391 |
| 2sealed | 411 | Salazar, Ernesto (1449) | Lost 0-2 | -171374 |
| 3sealed | 602 | Patton, Brandon (1506) | Won 2-1 | +201394 |
| 4sealed | 539 | Ziet, Kevin (1649) | Lost 0-2 | -131381 |
| top | average opponent: 1607record: 1-3 | new rating: 1381 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 248 | Moore, Logan (1481) | Won 2-0 | +201418 |
| 2standard | 75 | Leedy, Ben (1537) | Won 2-0 | +201438 |
| 3standard | 169 | Martinez II, Eddie (1657) | Won 2-1 | +221460 |
| 4standard | 87 | Brubaker, Ryan (1563) | Lost 1-2 | -161444 |
| 5standard | 97 | [anonymous] | Lost 0-2 | -121432 |
| 6standard | 300 | Kurtzman, Etai (1518) | Lost 1-2 | -161416 |
| 7standard | 289 | Xia, Jiamu (1617) | Lost 1-2 | -141402 |
| top | average opponent: 1600record: 3-4 | new rating: 1402 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Prato, Blair (1535) | Won 2-0 | +201458 |
| 2sealed | 128 | Asselin, Philippe (1714) | Lost 1-2 | -141444 |
| 3sealed | 326 | Lindo, Aaron (1756) | Lost 0-2 | -121432 |
| 4sealed | 421 | DeVault, Michael (1517) | Lost 0-2 | -171415 |
| 5sealed | 443 | Liguori, Salvatore (1463) | Lost 1-2 | -171398 |
| top | average opponent: 1597record: 1-4 | new rating: 1398 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Bergeron, Philip (1451) | Won 2-1 | +181484 |
| 2standard | 197 | Breuning, Dillon (1474) | Won 2-1 | +171501 |
| 3standard | 321 | Sikkink Johnson, Matt (1765) | Lost 0-2 | -131488 |
| 4standard | 541 | Rightmyer, Rory (1572) | Lost 1-2 | -161472 |
| 5standard | 404 | Balbuena, Jairo (1519) | Lost 0-2 | -181454 |
| 6standard | 540 | Monico, Riccardo (1535) | Lost 0-2 | -161438 |
| top | average opponent: 1553record: 2-4 | new rating: 1438 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Espejo, Jonny (1479) | Draw 1-1 | 01500 |
| 2standard | 444 | Reyes Chanto, Arianna (1511) | Draw 1-1 | 01500 |
| 3standard | 808 | Pham, Khoa (1502) | Lost 0-2 | -181482 |
| 4standard | 880 | Howland, Jonathan (1480) | Draw 1-1 | 01482 |
| 5standard | 792 | Kennedy, Sean (1565) | Lost 0-2 | -171465 |
| 6standard | 805 | Rodriguez, Alex (1604) | Won 2-1 | +211486 |
| 7standard | 696 | Wolff, Bill (1417) | Lost 0-2 | -191467 |
| 8standard | 604 | Chang, David (1442) | Won 2-1 | +171484 |
| 9standard | 516 | Rose, Leo (1467) | Lost 0-2 | -181466 |
| top | average opponent: 1496record: 2-4-3 | new rating: 1466 | ||