Buszkiewicz, Marek
Current rating: 1603
Record: 38-39-6
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 794 | Reilly, Nicola (1465) | Won 2-0 | +151609 |
| 2sealed | 568 | Mojik, Miroslav (1462) | Lost 0-2 | -201589 |
| 3sealed | 565 | Fuchs, Christian (1305) | Won 2-1 | +131602 |
| 4sealed | 734 | Apetyan, Violetta (1498) | Won 2-1 | +161618 |
| 5sealed | 265 | Libkin, Eugen (1827) | Draw 1-1 | +41622 |
| 6sealed | 349 | Rodrigues, Luis (1554) | Won 2-1 | +161638 |
| 7sealed | 189 | Jaccard, Yann-Guillaume (1675) | Lost 1-2 | -171621 |
| 8sealed | 351 | Hiroux, Benoit (1611) | Lost 0-2 | -181603 |
| top | average opponent: 1550record: 4-3-1 | new rating: 1603 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 385 | Techritz, Mike (1427) | Won 2-0 | +161560 |
| 2sealed | 387 | Sobiech, Piotr (1462) | Won 2-0 | +161576 |
| 3sealed | 213 | Boudjema, Charly (1743) | Won 2-1 | +211597 |
| 4sealed | 44 | Holst, Sebastian (1522) | Lost 0-2 | -201577 |
| 5sealed | 277 | Ciotta, Andrea (1740) | Won 2-1 | +211598 |
| 6sealed | 178 | Luhtala, Riia (1542) | Draw 1-1 | -11597 |
| 7sealed | 160 | Schaffer, Andre (1525) | Lost 1-2 | -191578 |
| 8sealed | 286 | Schultz, David [DEU] (1454) | Won 2-1 | +161594 |
| top | average opponent: 1552record: 5-2-1 | new rating: 1594 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 254 | Kiss, Laszlo (1514) | Lost 0-2 | -181539 |
| 4sealed | 383 | Leskovsek, Svarun (1700) | Lost 1-2 | -151524 |
| 5sealed | 624 | Jurusik, Jakub (1505) | Lost 0-2 | -191505 |
| 6sealed | 695 | Friala, Tomas (1454) | Won 2-1 | +171522 |
| 7sealed | 501 | Mauguin, Matthieu (1653) | Won 2-0 | +211543 |
| 8sealed | 433 | Dumas, Philip (1542) | Lost 0-2 | -181525 |
| 9sealed | 444 | Groot, Wessel (1582) | Won 2-0 | +191544 |
| top | average opponent: 1564record: 3-4 | new rating: 1544 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1376 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 342 | Berger, Natalia (1532) | Won 2-1 | +201396 |
| 2sealed | 170 | Fremont, Nicolas (1537) | Won 2-0 | +211417 |
| 3sealed | 466 | Dalmasso, Leonardo (1554) | Lost 1-2 | -161401 |
| 4sealed | 620 | Kubya, Gregory (1519) | Won 2-1 | +211422 |
| 5sealed | 181 | Lyford-Smith, David (1632) | Lost 1-2 | -151407 |
| 6sealed | 674 | Lahonen, Leo (1694) | Won 2-0 | +231430 |
| 7sealed | 264 | Langer, Tomas (1722) | Won 2-0 | +241454 |
| 8sealed | 158 | Velikov, Ilko (1457) | Lost 1-2 | -181436 |
| 9sealed | 425 | Van Meurs, Sascha (1516) | Won 2-0 | +191455 |
| 10draft | 144 | Vulpius, Rune (1624) | Won 2-1 | +211476 |
| 11draft | 353 | Monroe, Bryn (1568) | Won 2-1 | +201496 |
| 12draft | 319 | Mohren, Christian (1638) | Draw 1-1 | +21498 |
| 13draft | 33 | Wolf, Vanessa (1575) | Won 2-0 | +201518 |
| 14draft | 30 | Hansen, Ulrik Thinggaard (1589) | Won 2-1 | +191537 |
| 15draft | 24 | Mohren, Christian (1667) | Won 2-0 | +201557 |
| top | average opponent: 1588record: 11-3-1 | new rating: 1557 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 541 | Lourenzo, Susana (1500) | Won 2-0 | +201413 |
| 2sealed | 196 | Dimitriadis, George (1672) | Won 1-0 | +231436 |
| 3sealed | 406 | Desax, Conn (1716) | Lost 0-2 | -131423 |
| 4sealed | 466 | Raidma, Martin (1521) | Lost 0-2 | -161407 |
| 5sealed | 630 | Reder, Hrvoje (1546) | Lost 0-2 | -161391 |
| 6sealed | 741 | Spaans, Casper (1525) | Lost 1-2 | -151376 |
| top | average opponent: 1580record: 2-4 | new rating: 1376 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 301 | D'Aniello, Carmine (1681) | Lost 0-2 | -131417 |
| 4sealed | 522 | Payen, Laurent (1711) | Lost 0-2 | -131404 |
| 5sealed | 659 | Greco, Pascal (1613) | Won 2-1 | +221426 |
| 6sealed | 299 | Duchesne, Pierre (1521) | Lost 1-2 | -161410 |
| 7sealed | 409 | Boes, Jeremy (1499) | Lost 0-2 | -171393 |
| top | average opponent: 1605record: 1-4 | new rating: 1393 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Gutierrez Vinas, Daniel (1500) | Draw 1-1 | 01465 |
| 2sealed | 359 | Holland, Shea (1497) | Lost 0-2 | -171448 |
| 3sealed | 597 | Bielinski, Denton (1483) | Lost 1-2 | -181430 |
| top | average opponent: 1493record: 0-2-1 | new rating: 1430 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Hercend, Jerome (1400) | Won 2-0 | +171487 |
| 2sealed | 114 | Bauerett, Marc (1488) | Lost 1-2 | -181469 |
| 3sealed | 339 | Rosemann, Andreas (1383) | Won 2-0 | +171486 |
| 4sealed | 249 | Muller, Martin (1880) | Won 2-0 | +241510 |
| 5sealed | 174 | Burgan, Julien (1669) | Draw 1-1 | +31513 |
| 6sealed | 130 | Jimenez, Michael (1711) | Lost 0-2 | -141499 |
| 7sealed | 203 | Lorenz, Maximilian (1628) | Lost 1-2 | -161483 |
| 8sealed | 195 | Fichera, Giovanni (1429) | Draw 1-1 | -11482 |
| 9sealed | 173 | An Der Heiden, Sven (1503) | Lost 0-2 | -171465 |
| top | average opponent: 1566record: 3-4-2 | new rating: 1465 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Kopylovich, Maxim (1500) | Won 2-0 | +191477 |
| 2sealed | 320 | van den Brink, Henry (1672) | Lost 0-2 | -151462 |
| 3sealed | 365 | Blohon, Lukas (2048) | Lost 0-2 | -81454 |
| 4sealed | 345 | Olczak, Dariusz (1367) | Won 2-0 | +161470 |
| top | average opponent: 1647record: 2-2 | new rating: 1470 | ||
| Grand Prix Vienna 2014 (BNG limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Todorovski, Kiril (1500) | Won 2-0 | +191481 |
| 2sealed | 64 | Kunic, Peter (1566) | Won 2-0 | +201501 |
| 3sealed | 202 | Refsdal, Gunnar (1754) | Lost 1-2 | -141487 |
| 4sealed | 73 | Barrera, Joan (1517) | Lost 0-2 | -171470 |
| 5sealed | 308 | Schmalfeld, Thomas (1458) | Lost 1-2 | -191451 |
| 6sealed | 396 | Brundic, Nermina (1484) | Won 2-0 | +191470 |
| 7sealed | 355 | Vecera, Jiri (1485) | Won 2-0 | +181488 |
| 8sealed | 235 | Jandak, Jakub (1471) | Lost 1-2 | -181470 |
| 9sealed | 247 | Krautmann, Wenzel (1825) | Lost 0-2 | -121458 |
| top | average opponent: 1562record: 4-5 | new rating: 1458 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 117 | Engleitner, Herbert (1753) | Won 2-0 | +231497 |
| 5standard | 6 | Marinescu, Alex (1487) | Lost 0-2 | -181479 |
| 6standard | 136 | Guarneri, Matteo (1558) | Lost 0-2 | -171462 |
| top | average opponent: 1600record: 1-2 | new rating: 1462 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 113 | Reale, Riccardo (1625) | Lost 0-2 | -161484 |
| 5sealed | 189 | Stradner, Stefan (1808) | Lost 0-2 | -121472 |
| 6sealed | 467 | Presslmayr, Daniel (1477) | Won 2-0 | +181490 |
| 7sealed | 311 | Zacharias, Kyriakos (1580) | Won 2-0 | +201510 |
| 8sealed | 176 | Langley, Mark (1526) | Lost 0-2 | -181492 |
| 9sealed | 216 | Lailey, Mark (1494) | Lost 0-2 | -181474 |
| top | average opponent: 1585record: 2-4 | new rating: 1474 | ||