Szal, Bogumil
Current rating: 1463
Record: 32-36-2
| Grand Prix Columbus 2019 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 78 | Koenig, Autumn (1518) | Won 2-1 | +191469 |
| 3modern | 86 | Russell, Griffin (1645) | Lost 0-2 | -151454 |
| 4modern | 175 | Overfield, Jeffrey (1564) | Draw 1-1 | +21456 |
| 5modern | 140 | Justice, Nathan (1502) | Won 2-1 | +191475 |
| 6modern | 88 | Lovins, Dave (1523) | Won 2-0 | +191494 |
| 7modern | 52 | Renault, Austen (1699) | Lost 1-2 | -141480 |
| 8modern | 99 | Peterson, Nick (1548) | Lost 0-2 | -171463 |
| top | average opponent: 1571record: 3-3-1 | new rating: 1463 | ||
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 281 | Liebecke, Andre (1456) | Lost 1-2 | -181481 |
| 3sealed | 384 | Zaninelli, Giovanni (1523) | Won 2-0 | +181499 |
| 4sealed | 205 | Koszewski, Gustaw (1507) | Won 2-0 | +191518 |
| 5sealed | 128 | Boudeghdegh, Lotfi (1489) | Lost 1-2 | -191499 |
| 6sealed | 154 | Litja, Elson (1576) | Lost 0-2 | -171482 |
| 7sealed | 356 | Puri, Daniele (1642) | Lost 0-2 | -151467 |
| 8sealed | 398 | Kulpinski, Jakub (1494) | Lost 1-2 | -171450 |
| top | average opponent: 1526record: 2-5 | new rating: 1450 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 433 | Kurz, Christopher (1519) | Lost 0-2 | -191555 |
| 3sealed | 861 | Esteban Fernandez, Ignacio (1509) | Lost 0-2 | -191536 |
| 4sealed | 1043 | Mertens, Lucas (1505) | Lost 1-2 | -181518 |
| 5sealed | 966 | Maroti, Andras (1514) | Lost 0-2 | -191499 |
| top | average opponent: 1512record: 0-4 | new rating: 1499 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 20 | Dyga, Adam (1517) | Won 2-0 | +181571 |
| 3standard | 148 | Fortanely, Bobby (1759) | Lost 0-2 | -151556 |
| 4standard | 365 | Zwiener, Mykayla (1468) | Won 2-1 | +161572 |
| 5standard | 242 | Seefeldt, Dan (1621) | Lost 0-2 | -171555 |
| 6standard | 307 | Cohen, Barry (1527) | Won 2-1 | +181573 |
| 7standard | 172 | Wilczek, Robert (1581) | Lost 0-2 | -181555 |
| 8standard | 280 | Davidson, Keenan (1609) | Won 2-1 | +191574 |
| top | average opponent: 1583record: 4-3 | new rating: 1574 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 287 | Buehlbecker, Lukas (1518) | Lost 1-2 | -191556 |
| 3modern | 780 | Budde, Christopher (1632) | Lost 1-2 | -171539 |
| 4modern | 818 | Unger, Bastian (1478) | Lost 0-2 | -191520 |
| 5modern | 883 | Fischer, Manuel (1442) | Lost 0-2 | -191501 |
| 6modern | 808 | Stefanek, Erik (1447) | Won 2-0 | +171518 |
| 7modern | 679 | Baptista, Jorge Miguel (1465) | Won 2-0 | +171535 |
| 8modern | 526 | Herzmann, Kevin (1568) | Won 2-0 | +181553 |
| top | average opponent: 1507record: 3-4 | new rating: 1553 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 462 | Esselborn, Leon (1500) | Lost 0-2 | -201559 |
| 2sealed | 700 | Strozewski, Andrzej (1468) | Won 2-0 | +171576 |
| 3sealed | 804 | Bujanowicz, Pawel (1556) | Won 2-0 | +171593 |
| 4sealed | 301 | Lesch, Andreas (1753) | Lost 1-2 | -151578 |
| 5sealed | 667 | Klocker, Elias (1830) | Won 2-1 | +231601 |
| 6sealed | 358 | Huber, David (1474) | Won 2-0 | +151616 |
| 7sealed | 290 | Telarov, Aleksa (1925) | Lost 0-2 | -121604 |
| 8sealed | 534 | Caffini, Alessandro (1568) | Lost 1-2 | -191585 |
| 9sealed | 535 | Grove, Kevin (2033) | Lost 1-2 | -101575 |
| top | average opponent: 1679record: 4-5 | new rating: 1575 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 351 | Peretti, David (1497) | Lost 1-2 | -201568 |
| 3modern | 819 | Caggese, Massimo (1503) | Lost 1-2 | -191549 |
| 4modern | 961 | Turatti, Simone (1483) | Won 2-0 | +171566 |
| 5modern | 833 | Poroszkai, Laszlo (1558) | Won 2-1 | +181584 |
| 6modern | 469 | Perl, Jakob (1515) | Won 2-1 | +161600 |
| 7modern | 268 | Faenza, Federico (1528) | Lost 1-2 | -191581 |
| 8modern | 449 | Ficicchia, Giuseppe (1531) | Won 2-1 | +171598 |
| 9modern | 300 | Corral, David (1516) | Lost 0-2 | -191579 |
| top | average opponent: 1516record: 4-4 | new rating: 1579 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Knape, Cornelia (1464) | Won 2-1 | +171534 |
| 2standard | 34 | Toth, David (1520) | Draw 1-1 | 01534 |
| 3standard | 297 | Hansen, Ronnie (1460) | Won 2-1 | +171551 |
| 4standard | 165 | Bugyi, Tibor (1518) | Lost 1-2 | -191532 |
| 5standard | 277 | Morawetz, Mateusz (1517) | Won 2-1 | +181550 |
| 6standard | 190 | Michna, Bartosz (1533) | Won 2-1 | +171567 |
| 7standard | 118 | Styve, Nicolai (1586) | Won 2-1 | +191586 |
| 8standard | 276 | Deloly, Mathieu (1688) | Lost 1-2 | -161570 |
| 9standard | 129 | Lonnberg, Sixten (1584) | Won 2-0 | +181588 |
| top | average opponent: 1541record: 6-2-1 | new rating: 1588 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Grose, Carl (1500) | Won 2-1 | +191466 |
| 2sealed | 203 | Fitzpatrick, Michael (1518) | Won 2-1 | +181484 |
| 3sealed | 65 | Anderson, Matt (1677) | Won 2-1 | +221506 |
| 4sealed | 181 | Campbell, Seamus (1687) | Won 2-1 | +211527 |
| 5sealed | 15 | Pecora, Gerald (1512) | Lost 0-2 | -181509 |
| 6sealed | 145 | Stewart, Perry (1716) | Won 2-1 | +221531 |
| 7sealed | 129 | Cunagin, Jacob (1571) | Won 2-0 | +181549 |
| 8sealed | 17 | Carr, Rick (1680) | Lost 0-2 | -151534 |
| 9sealed | 61 | Hare, Ryan (1609) | Lost 1-2 | -171517 |
| top | average opponent: 1608record: 6-3 | new rating: 1517 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 58 | Radich, Lars-Petter (1537) | Lost 1-2 | -171483 |
| 4sealed | 305 | Fuchs, Christian (1442) | Lost 0-2 | -191464 |
| 5sealed | 327 | Paterka, Artur (1499) | Lost 0-2 | -171447 |
| top | average opponent: 1492record: 0-3 | new rating: 1447 | ||