Chelak, Harrison
Current rating: 1471
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Gregg, Brad (1505) | Won 2-0 | +181519 |
| 2sealed | 259 | Samson, Roger (1684) | Lost 0-2 | -151504 |
| 3sealed | 624 | Egan, Kevin (1721) | Lost 0-2 | -141490 |
| 4sealed | 731 | Tams, Brian (1453) | Lost 0-2 | -191471 |
| top | average opponent: 1591record: 1-3 | new rating: 1471 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 268 | Frydlewicz, Corry (1488) | Lost 0-2 | -181484 |
| 2standard | 551 | Oak, Nathan (1481) | Won 2-0 | +181502 |
| 3standard | 578 | Truelsen, Samantha (1466) | Lost 1-2 | -191483 |
| 4standard | 592 | Sorensen, Chad (1484) | Won 2-0 | +181501 |
| 5standard | 576 | Nell, Jason (1500) | Lost 0-0 | -181483 |
| 6standard | 572 | Severin, Robert (1484) | Won 2-0 | +181501 |
| 7standard | 452 | Vincent, Nehemiah (1470) | Won 2-0 | +181519 |
| 8standard | 286 | LeBlanc, Evan (1517) | Lost 0-2 | -181501 |
| top | average opponent: 1486record: 4-4 | new rating: 1501 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 317 | Harrison, Brandon (1489) | Won 2-0 | +181518 |
| 2sealed | 66 | Rudd, Shawn (1557) | Lost 0-2 | -171501 |
| 3sealed | 367 | Smith, Barry (1714) | Lost 1-2 | -151486 |
| 4sealed | 529 | Bormet, Aaron (1462) | Won 2-1 | +181504 |
| 5sealed | 424 | Mickey, John (1431) | Lost 0-2 | -191485 |
| 6sealed | 375 | Moore, Pete (1462) | Draw 1-1 | -11484 |
| 7sealed | 383 | Onstott, Daniel (1482) | Won 2-0 | +181502 |
| top | average opponent: 1514record: 3-3-1 | new rating: 1502 | ||