Kahn, Ian
Current rating: 1467
Record: 11-14-1
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Caminiti, Michael (1500) | Won 2-1 | +191474 |
| 2sealed | 277 | Castagna, Jonathan (1588) | Won 2-0 | +201494 |
| 3sealed | 10 | Gupta, Vinay (1519) | Lost 1-2 | -181476 |
| 4sealed | 443 | Rodriguez, Alex (1851) | Lost 0-2 | -111465 |
| 5sealed | 398 | Izsak, Yoel (1615) | Won 2-0 | +211486 |
| 6sealed | 214 | Hamilton, John (1461) | Lost 1-2 | -191467 |
| top | average opponent: 1589record: 3-3 | new rating: 1467 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Gestido, Nick (1512) | Draw 1-1 | +11491 |
| 2sealed | 265 | Liu, Sho (1500) | Lost 0-0 | -181473 |
| 3sealed | 468 | St. Gerard, Phillippe (1482) | Lost 1-2 | -181455 |
| top | average opponent: 1498record: 0-2-1 | new rating: 1455 | ||
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Bristoll, Louis (1455) | Won 2-1 | +171523 |
| 2sealed | 174 | Nguyen, Luke (1535) | Lost 0-2 | -171506 |
| 3sealed | 384 | White, Jory (1715) | Lost 1-2 | -151491 |
| 4sealed | 324 | Culver, Kris (1457) | Won 2-1 | +181509 |
| 5sealed | 301 | Bender, Joel (1481) | Lost 0-2 | -191490 |
| top | average opponent: 1529record: 2-3 | new rating: 1490 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 300 | RICH, ANTHONY (1500) | Lost 0-2 | -191528 |
| 2sealed | 277 | Schafer, Gray (1482) | Won 2-0 | +171545 |
| 3sealed | 363 | Cullen, Brion (1500) | Lost 1-2 | -191526 |
| 4sealed | 519 | Cunningham, Brittany (1413) | Lost 1-2 | -201506 |
| top | average opponent: 1474record: 1-3 | new rating: 1506 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 383 | Lee, Dustin (1427) | Won 2-0 | +171517 |
| 2sealed | 256 | Tyner, James (1518) | Won 2-0 | +181535 |
| 3sealed | 13 | Sabia, Sean (1792) | Won 2-1 | +221557 |
| 4sealed | 169 | Byers, Alex (1670) | Lost 0-2 | -161541 |
| 5sealed | 242 | Leaf, Noah (1484) | Lost 0-2 | -191522 |
| 6sealed | 388 | Mackay, Richard (1582) | Won 2-0 | +191541 |
| 7sealed | 299 | Epstein, Justin (1749) | Won 2-1 | +221563 |
| 8sealed | 86 | Tewksbury, Brendan (1663) | Lost 0-2 | -161547 |
| top | average opponent: 1611record: 5-3 | new rating: 1547 | ||