Duda, Chris
Current rating: 1492
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 264 | Pleva, Matthew (1500) | Won 2-0 | +191470 |
| 2sealed | 1 | Bourque, Jacob (1502) | Won 2-1 | +181488 |
| 3sealed | 8 | Bessett, Jaime G (1539) | Lost 0-2 | -171471 |
| 4sealed | 286 | Williams, Kristopher (1511) | Won 2-0 | +191490 |
| 5sealed | 76 | Racedo, Alen (1566) | Lost 1-2 | -171473 |
| 6sealed | 247 | Bukarau, Jared (1521) | Won 2-0 | +191492 |
| top | average opponent: 1523record: 4-2 | new rating: 1492 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Remitio, Jax (1500) | Won 2-1 | +191445 |
| 2standard | 71 | Ball, Chris (1543) | Won 2-1 | +201465 |
| 3standard | 186 | Niblock, Thomas (1518) | Lost 1-2 | -171448 |
| 4standard | 376 | Lamson, Joshua (1523) | Draw 1-1 | +21450 |
| 5standard | 300 | Killeen, Tristan (1465) | Won 2-0 | +181468 |
| 6standard | 192 | Fraser, Zach (1519) | Lost 0-2 | -171451 |
| top | average opponent: 1511record: 3-2-1 | new rating: 1451 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 171 | Fong, Alvin (1301) | Lost 1-2 | -221478 |
| 2modern | 194 | Locascio, Joseph (1458) | Won 2-1 | +181496 |
| 3modern | 222 | Dyck, Kevin (1503) | Lost 0-2 | -181478 |
| 4modern | 266 | Nguyen, Erick (1482) | Lost 0-2 | -181460 |
| 5modern | 318 | Thao, Chue (1560) | Lost 1-2 | -161444 |
| 6modern | 304 | Cheung, Cliff (1445) | Lost 0-2 | -181426 |
| top | average opponent: 1458record: 1-5 | new rating: 1426 | ||