Kahn, Joshua
Current rating: 1454
Record: 7-10
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 692 | Stahl, Rasmus (1639) | Lost 0-2 | -151464 |
| 2modern | 1038 | Holet, John (1450) | Lost 0-2 | -181446 |
| 3modern | 1433 | Lehman, Brian (1455) | Won 2-1 | +181464 |
| 4modern | 1065 | Zazanis, Frank (1482) | Won 2-1 | +181482 |
| 5modern | 805 | Lines, Leo (1543) | Won 2-1 | +191501 |
| 6modern | 908 | Sonderland, Drew (1827) | Lost 1-2 | -121489 |
| 7modern | 882 | Wadsworth, Jared (1557) | Lost 0-2 | -171472 |
| 8modern | 824 | Raxter, Timothy (1486) | Lost 0-2 | -181454 |
| average opponent: 1555record: 3-5 | new rating: 1454 | |||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 330 | Niemeier, Peter (1500) | Lost 1-2 | -181482 |
| 2legacy | 628 | Wong, Harry (1429) | Lost 1-2 | -191463 |
| 3legacy | 1025 | Runk, Andrew (1366) | Won 2-1 | +161479 |
| 4legacy | 881 | France, Mathew (1445) | Lost 1-2 | -181461 |
| 5legacy | 1000 | Eck, John (1461) | Won 2-0 | +181479 |
| 6legacy | 933 | Saiz Jr, Gilbert (1488) | Lost 1-2 | -181461 |
| 7legacy | 877 | Came, Sean (1488) | Won 2-1 | +181479 |
| 8legacy | 703 | Kling, Matthew (1545) | Won 2-0 | +201499 |
| 9legacy | 538 | Scholz, Mark (1412) | Lost 0-2 | -201479 |
| average opponent: 1459record: 4-5 | new rating: 1479 | |||