Skupien, Maciej
Current rating: 1476
Record: 41-50-2
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Bukovskis, Vitalijs (1429) | Lost 1-2 | -201471 |
| 2standard | 423 | Nattkamp, Florian (1914) | Won 2-1 | +261497 |
| 3standard | 356 | Earley, Benjamin (1447) | Won 2-0 | +171514 |
| 4standard | 295 | Kiosses, Ioannis (1477) | Lost 0-2 | -191495 |
| 5standard | 347 | Spaans, Casper (1572) | Won 2-0 | +201515 |
| 6standard | 241 | Herr, Beren (1331) | Lost 0-2 | -211494 |
| 7standard | 386 | Pochekuiev, Andrii (1508) | Lost 0-2 | -181476 |
| top | average opponent: 1525record: 3-4 | new rating: 1476 | ||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Thur, Marnic (1406) | Won 2-0 | +181468 |
| 2standard | 228 | Berghuis, Jonne (1519) | Won 2-1 | +191487 |
| 3standard | 256 | Van Kuijk, Harm-Joost (1666) | Lost 0-2 | -151472 |
| 4standard | 358 | Leveque, Julien (1622) | Lost 1-2 | -161456 |
| 5standard | 341 | Carlo, Josafath (1423) | Won 2-1 | +181474 |
| 6standard | 267 | Nguyen, Guillaume (1433) | Won 2-0 | +171491 |
| 7standard | 212 | Verheesen, Rene (1734) | Won 2-1 | +221513 |
| 8standard | 139 | Van Den Berg, Anco (1535) | Lost 0-2 | -171496 |
| 9standard | 155 | Ganz, Andreas (1840) | Won 2-1 | +241520 |
| 10standard | 117 | Peitzmann, Tim (1561) | Won 2-1 | +191539 |
| 11standard | 85 | van Herwaarden, Sander (1782) | Lost 0-2 | -141525 |
| 12standard | 117 | Muller, Benjamin (1539) | Lost 0-2 | -181507 |
| 13standard | 146 | Pettersson, Tobias (1581) | Lost 1-2 | -161491 |
| top | average opponent: 1588record: 7-6 | new rating: 1491 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | Kotiranta, Tuomas (1629) | Won 2-0 | +221439 |
| 2sealed | 446 | Hong, Sung-Il (1550) | Won 2-0 | +201459 |
| 3sealed | 288 | Garus, Henning (1410) | Lost 0-2 | -191440 |
| 4sealed | 629 | Willefert, Malo (1513) | Lost 0-2 | -171423 |
| 5sealed | 465 | Ciotta, Andrea (1692) | Won 2-1 | +231446 |
| 6sealed | 408 | Olarte Ovalle, Alvaro Edward (1498) | Won 2-1 | +191465 |
| 7sealed | 346 | Hauer, Johannes (1652) | Lost 0-2 | -151450 |
| 8sealed | 541 | Correia, Vasco (1527) | Won 2-0 | +201470 |
| 9sealed | 282 | Salomoni, Davide (1405) | Lost 1-2 | -201450 |
| top | average opponent: 1542record: 5-4 | new rating: 1450 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 276 | Dolata, Maciej (1563) | Won 2-0 | +211423 |
| 2standard | 60 | Rebizant, Pawel (1518) | Won 2-0 | +201443 |
| 3standard | 176 | Sapigora, Anton (1502) | Lost 1-2 | -171426 |
| 4standard | 239 | Kobialka, Patryk (1533) | Won 2-0 | +201446 |
| 5standard | 231 | Hanzalek, Jan (1669) | Lost 0-2 | -141432 |
| 6standard | 300 | Weber, Robert (1550) | Lost 0-2 | -161416 |
| 7standard | 294 | Caramalau, Adrian (1358) | Won 2-1 | +171433 |
| 8standard | 264 | Zlotoiabko, Boris (1537) | Lost 0-2 | -161417 |
| top | average opponent: 1529record: 4-4 | new rating: 1417 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1341 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 434 | Pinder, Mark (1557) | Won 2-0 | +221363 |
| 2sealed | 227 | Nolte, Dennis (1843) | Won 2-1 | +261389 |
| 3sealed | 112 | Kleij, Rogier (1750) | Draw 1-1 | +61395 |
| 4sealed | 153 | Harte, Ruud (1386) | Lost 1-2 | -181377 |
| 5sealed | 314 | Huygen, Onno (1477) | Won 2-0 | +201397 |
| 6sealed | 191 | Danz, Benjamin (1556) | Won 2-1 | +211418 |
| 7sealed | 110 | Holm, Soren (1536) | Lost 1-2 | -161402 |
| top | average opponent: 1587record: 4-2-1 | new rating: 1402 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 187 | Tanaskovic, Damjan (1445) | Won 2-0 | +191412 |
| 2standard | 113 | Sorensen, Jakob (1630) | Lost 0-2 | -141398 |
| 3standard | 275 | Korytkowski, Andrzej (1500) | Lost 1-2 | -161382 |
| 4standard | 430 | Hanzalek, Jan (1671) | Lost 0-2 | -131369 |
| 5standard | 421 | Skawinski, Michal (1453) | Won 2-1 | +201389 |
| 6standard | 394 | Sevcik, Lukas (1479) | Lost 1-2 | -171372 |
| 7standard | 370 | Mohr, Felix (1546) | Lost 0-2 | -151357 |
| 8standard | 352 | Pekasiewicz, Radoslaw (1457) | Lost 0-2 | -161341 |
| top | average opponent: 1523record: 2-6 | new rating: 1341 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 563 | Platz, Jens (1518) | Lost 0-2 | -171446 |
| 3standard | 665 | Leuvering, Mart (1500) | Won 2-0 | +191465 |
| 4standard | 732 | Semkin, Alexander (1412) | Lost 0-2 | -191446 |
| 5standard | 769 | Stolz, Maximilian (1534) | Lost 0-2 | -171429 |
| 6standard | 770 | Decker, Nicolas (1388) | Lost 0-2 | -191410 |
| 7standard | 798 | Winkler, Sebastian (1464) | Lost 1-2 | -171393 |
| 8standard | 751 | Fokkema, Toon (1292) | Won 2-0 | +171410 |
| 9standard | 698 | de Graat, Julien (1497) | Lost 0-2 | -171393 |
| top | average opponent: 1451record: 2-6 | new rating: 1393 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 43 | Monsen, Patrick (1532) | Won 2-1 | +191490 |
| 3sealed | 89 | Burgold, Lino (1729) | Lost 0-2 | -141476 |
| 4sealed | 103 | Erenyi, Jakub (1478) | Won 2-1 | +181494 |
| 5sealed | 96 | Carrivick Gomez, Damien (1539) | Lost 1-2 | -171477 |
| 6sealed | 142 | Dagen, Pierre (1663) | Lost 0-2 | -141463 |
| top | average opponent: 1588record: 2-3 | new rating: 1463 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 635 | Paska, Jiri (1500) | Won 2-1 | +191480 |
| 2sealed | 628 | Labik, Libor (1517) | Won 2-1 | +181498 |
| 3sealed | 512 | Cadier, Ron (1653) | Won 2-0 | +211519 |
| 4sealed | 563 | Greiers, Maris (1666) | Lost 1-2 | -151504 |
| 5sealed | 563 | Lindgren, Tommi (1691) | Lost 0-2 | -151489 |
| 6sealed | 644 | Voda, Bogdan (1482) | Lost 0-2 | -181471 |
| top | average opponent: 1585record: 3-3 | new rating: 1471 | ||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 532 | Rodrigues, Rodrigo (1480) | Lost 1-2 | -181439 |
| 2standard | 660 | Hojas, Jesus Pablo (1481) | Won 2-0 | +191458 |
| 3standard | 530 | Richez, Philippe (1319) | Lost 1-2 | -201438 |
| 4standard | 715 | Soler Salazar, Jose Ramon (1545) | Won 2-0 | +191457 |
| 5standard | 648 | Schermer, Duncan (1601) | Lost 0-2 | -151442 |
| 6standard | 654 | Munuce, Javier (1455) | Won 2-0 | +181460 |
| 7standard | 572 | Mendez, Oscar (1502) | Won 2-1 | +191479 |
| 8standard | 516 | Sekretarev, Nikita (1469) | Lost 0-2 | -181461 |
| top | average opponent: 1481record: 4-4 | new rating: 1461 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 540 | Januchowski, Fabian (1500) | Lost 1-2 | -171429 |
| 2sealed | 619 | Wallin, Peter (1400) | Won 2-0 | +181447 |
| 3sealed | 622 | Bernabeu-Edo, Jesus (1463) | Lost 1-2 | -181429 |
| 4sealed | 646 | Esser, Christoph (1539) | Won 2-0 | +201449 |
| 5sealed | 548 | De Leeuw, Luc (1499) | Won 2-0 | +191468 |
| 6sealed | 544 | Stihle, Julien (1558) | Lost 1-2 | -161452 |
| 7sealed | 555 | Tourino Garcia, Abel (1568) | Lost 0-2 | -161436 |
| 8sealed | 518 | Gurevich, Alexander (1605) | Won 2-0 | +211457 |
| top | average opponent: 1517record: 4-4 | new rating: 1457 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Maziarz, Mateusz (1500) | Lost 0-2 | -181482 |
| 2standard | 150 | Pacholski, Maciej (1484) | Draw 1-1 | 01482 |
| 3standard | 152 | Chojnacki, Szymon (1482) | Lost 0-2 | -181464 |
| 4standard | 197 | Muskovic, Tomislav (1464) | Lost 1-2 | -181446 |
| 5standard | 195 | Dadel, Przemyslaw (1465) | Won 2-0 | +181464 |
| 6standard | 173 | Pyzio, Radoslaw (1468) | Lost 0-2 | -181446 |
| top | average opponent: 1477record: 1-4-1 | new rating: 1446 | ||