Machulka, Jiri
Current rating: 1500
Record: 16-21
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Wells, Justin (1399) | Won 2-1 | +171472 |
| 2sealed | 208 | Castillo, Zaryn (1801) | Won 2-0 | +241496 |
| 3sealed | 51 | Kooistra, Remkes (1592) | Won 2-0 | +201516 |
| 4sealed | 88 | Hunter, Sean (1629) | Won 2-1 | +201536 |
| 5sealed | 21 | Smith, Robert RC (1985) | Lost 0-2 | -111525 |
| 6sealed | 48 | Finnsson, Erik (1442) | Won 2-0 | +171542 |
| 7sealed | 27 | Propson, Stephen (1554) | Won 2-1 | +181560 |
| 8sealed | 22 | Logsdon, Jim (1769) | Lost 0-2 | -141546 |
| 9sealed | 42 | Malcolm, Liam (1560) | Lost 0-2 | -181528 |
| 10draft | 42 | Gibson-Flader, Max (1766) | Lost 1-2 | -141514 |
| 11draft | 14 | Schlesinger, Gal (1828) | Won 2-0 | +241538 |
| 12draft | 65 | McLaughlin, Morgan (1951) | Lost 1-2 | -111527 |
| 13draft | 55 | Juza, Martin (1962) | Lost 0-2 | -111516 |
| 15draft | 52 | Calligaro, Laurent (1602) | Lost 1-2 | -161500 |
| top | average opponent: 1703record: 7-7 | new rating: 1500 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2430 | Raymond, Denis (1500) | Lost 0-2 | -161412 |
| 2modern | 2598 | Daley, Jackson (1466) | Lost 1-2 | -171395 |
| 3modern | 2651 | Shea, Ryan (1461) | Won 2-0 | +191414 |
| 4modern | 2679 | Streeton, Matthew (1438) | Lost 0-2 | -181396 |
| 5modern | 2687 | Uslu, Mehmet (1463) | Won 2-0 | +201416 |
| 6modern | 2582 | Wallace, Kelvin (1446) | Lost 1-2 | -181398 |
| 7modern | 2531 | Knowles, Lucais (1466) | Won 2-1 | +191417 |
| 8modern | 2451 | Wang, Brian (1482) | Won 2-1 | +191436 |
| 9modern | 2360 | Rust, Ian (1470) | Won 2-0 | +191455 |
| top | average opponent: 1466record: 5-4 | new rating: 1455 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Jansky, David (1614) | Lost 0-2 | -141403 |
| 2sealed | 614 | Cheung, Kim (1467) | Won 2-0 | +191422 |
| 3sealed | 712 | Kilgo, Joseph (1516) | Won 2-0 | +201442 |
| 4sealed | 303 | Brackmann, Aaron (1816) | Won 2-1 | +241466 |
| 5sealed | 229 | Zimmermann, Raoul (1734) | Lost 0-2 | -131453 |
| 6sealed | 568 | Brecciaroli, Mario (1517) | Won 2-1 | +191472 |
| 7sealed | 223 | Dean, Paul (1945) | Lost 1-2 | -101462 |
| 8sealed | 520 | Save, Lex (1502) | Lost 1-2 | -171445 |
| 9sealed | 474 | Kusebauch, Roland (1517) | Lost 0-2 | -171428 |
| top | average opponent: 1625record: 4-5 | new rating: 1428 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 175 | Kanelis, Pavlos (1566) | Lost 0-2 | -171483 |
| 4sealed | 299 | Thomas, Trent (1421) | Lost 1-2 | -191464 |
| 5sealed | 263 | Weitz, Benjamin (1852) | Lost 0-2 | -111453 |
| 6sealed | 347 | Ward, Daniel [AUS] (1496) | Lost 0-2 | -171436 |
| 7sealed | 355 | Pritchard, Matthew (1430) | Lost 0-2 | -191417 |
| top | average opponent: 1553record: 0-5 | new rating: 1417 | ||