Campbell, Ian
Current rating: 1586
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Allred, Nicholas (1482) | Lost 0-2 | -201571 |
| 2sealed | 342 | Novakowski, George (1367) | Won 2-1 | +151586 |
| 3sealed | 482 | Kroll, Steven (1664) | Won 2-1 | +191605 |
| 4sealed | 195 | Maier, Christopher (1816) | Lost 1-2 | -141591 |
| 5sealed | 425 | Shnyakin, Vladimir (1518) | Won 2-0 | +161607 |
| 6sealed | 335 | Porchas, Justin (1581) | Lost 0-2 | -181589 |
| 7sealed | 329 | Kinkead, Alexander (1502) | Won 2-0 | +161605 |
| 8sealed | 216 | Poschung, Joe (1525) | Lost 0-2 | -191586 |
| top | average opponent: 1557record: 4-4 | new rating: 1586 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Barron, John (1500) | Won 2-0 | +181501 |
| 2sealed | 133 | Kelly, Brett (1450) | Lost 0-0 | -191482 |
| 3sealed | 427 | Laufer, Joseph (1543) | Won 2-0 | +191501 |
| 4sealed | 120 | Boebinger, Charles (1519) | Lost 1-2 | -171484 |
| 5sealed | 398 | Bialkowski, Adam (1547) | Won 2-0 | +191503 |
| 6sealed | 312 | Vila, Dominic (1523) | Won 2-1 | +181521 |
| 7sealed | 197 | Lerner, Clark (1635) | Won 2-0 | +201541 |
| 8sealed | 73 | Jurkovic, Michael (1557) | Won 2-1 | +191560 |
| 9sealed | 41 | Chaves, Anthony (1488) | Won 2-1 | +161576 |
| 10draft | 65 | Rosenblum-Sellers, Iris (1606) | Lost 0-2 | -171559 |
| 11draft | 40 | Patella, Keith (1725) | Won 2-1 | +211580 |
| 12draft | 58 | Ratanacharoensiri, Wyt (1695) | Lost 1-2 | -161564 |
| 13draft | 101 | Stojak, Peter (1679) | Won 2-1 | +201584 |
| 14draft | 42 | Polyakov, Alexander (1838) | Won 2-0 | +231607 |
| 15draft | 51 | Tardif, David (1757) | Lost 0-2 | -161591 |
| top | average opponent: 1604record: 10-5 | new rating: 1591 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Ziccardi, Andrew (1656) | Lost 1-2 | -151485 |
| 2sealed | 478 | Smith, Andrew (1366) | Lost 0-2 | -201465 |
| 3sealed | 668 | Brundage, David (1390) | Won 2-1 | +161481 |
| 4sealed | 553 | Radovic, Sava (1527) | Won 2-1 | +191500 |
| 5sealed | 501 | Greenzweig, Trenton (1541) | Lost 1-2 | -171483 |
| top | average opponent: 1496record: 2-3 | new rating: 1483 | ||