Ciach, Maciej
Current rating: 1500
Record: 36-39-1
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 493 | Urbanczyk, Marek (1415) | Lost 1-2 | -201477 |
| 2sealed | 589 | Adamus, David (1482) | Lost 1-2 | -171460 |
| 3sealed | 472 | Adamczyk, Filip (1462) | Won 2-0 | +181478 |
| 4sealed | 405 | Dabkowski, Mateusz (1543) | Won 2-1 | +191497 |
| 5sealed | 305 | Majstrik, Jan (1545) | Lost 1-2 | -171480 |
| 6sealed | 311 | Wroblewski, Jaroslaw (1618) | Won 2-0 | +201500 |
| 7sealed | 347 | Palucki, Jerzy (1505) | Lost 0-2 | -181482 |
| 8sealed | 408 | Gunay, Ilker (1475) | Won 2-0 | +181500 |
| top | average opponent: 1506record: 4-4 | new rating: 1500 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 411 | Williams, George (1469) | Lost 0-2 | -191523 |
| 2sealed | 468 | Sorensen, Rene (1346) | Won 2-0 | +151538 |
| 3sealed | 744 | Vaudry, Maximilien (1494) | Lost 0-2 | -191519 |
| 4sealed | 786 | Gilberti, Christian (1455) | Won 2-0 | +171536 |
| 5sealed | 525 | Zakharchenko, Oleg (1481) | Lost 0-2 | -191517 |
| 6sealed | 677 | Graenge, Martin (1483) | Lost 0-2 | -191498 |
| 7sealed | 563 | Roppola, Pontus (1471) | Lost 0-2 | -191479 |
| 8sealed | 512 | Herbrich, Tomasz (1449) | Won 2-1 | +181497 |
| top | average opponent: 1456record: 3-5 | new rating: 1497 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Rosenauer, Maximilian (1500) | Won 2-1 | +171583 |
| 2sealed | 288 | Lynch, Alan (1516) | Lost 0-2 | -201563 |
| 3sealed | 660 | Krc, Ales (1484) | Lost 1-2 | -191544 |
| 4sealed | 805 | Mihulowicz, Maciej (1416) | Won 2-0 | +161560 |
| 5sealed | 495 | Vidak, Matej (1500) | Won 2-0 | +171577 |
| 6sealed | 537 | Merriam, Ross (1821) | Lost 0-2 | -141563 |
| 7sealed | 490 | Van Den Berg, Tim (1475) | Lost 1-2 | -201543 |
| 8sealed | 642 | Leupold, Kim (1494) | Lost 1-2 | -191524 |
| 9sealed | 576 | Lebesbye, Torgeir (1501) | Won 2-1 | +181542 |
| top | average opponent: 1523record: 4-5 | new rating: 1542 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 212 | Zasadzki, Grzegorz (1520) | Lost 1-2 | -191570 |
| 3standard | 353 | Grothauzen, Saskia (1497) | Lost 1-2 | -191551 |
| 4standard | 434 | Wisniewska, Malgorzata (1472) | Won 2-0 | +161567 |
| 5standard | 412 | Ronczka, Jacek (1534) | Won 2-0 | +181585 |
| 6standard | 306 | Fukala, Dalibor (1623) | Won 2-0 | +181603 |
| 7standard | 216 | Takagi, Piotr (1549) | Lost 1-2 | -191584 |
| 8standard | 248 | Vesaoja, Eero (1560) | Lost 0-2 | -181566 |
| top | average opponent: 1536record: 3-4 | new rating: 1566 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 4 | Geissler, Gunnar (1588) | Lost 1-2 | -181571 |
| 3sealed | 343 | Cichecki, Lukasz (1703) | Won 2-1 | +201591 |
| 4sealed | 287 | Binkowska, Wioleta (1560) | Lost 0-2 | -181573 |
| 5sealed | 363 | Ballanger, Stuart (1529) | Lost 0-2 | -191554 |
| 6sealed | 313 | Kepinski, Michal (1524) | Won 2-1 | +171571 |
| 7sealed | 297 | Sedek, Krzysztof (1507) | Won 0-0 | +171588 |
| 8sealed | 201 | Przybylo, Dariusz (1752) | Won 2-0 | +211609 |
| 9sealed | 160 | Sadowski, Dawid (1505) | Lost 1-2 | -201589 |
| top | average opponent: 1584record: 4-4 | new rating: 1589 | ||
| Grand Prix Vienna 2014 (BNG limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 279 | Zunko, Bojan (1699) | Draw 1-1 | +41512 |
| 2sealed | 276 | Vinther, Michael (1442) | Won 2-0 | +171529 |
| 3sealed | 253 | Kovacs, Gabor (1501) | Won 2-0 | +171546 |
| 4sealed | 140 | Auer, Fridolin (1565) | Lost 0-2 | -181528 |
| 5sealed | 264 | Pfiel, Leonhard (1520) | Won 2-1 | +181546 |
| 6sealed | 239 | Moser, Florian (1650) | Lost 1-2 | -161530 |
| 7sealed | 264 | Rose, Krystal (1491) | Won 2-0 | +171547 |
| 8sealed | 237 | Rausch, Oliver (1746) | Won 2-1 | +221569 |
| 9sealed | 121 | Micevic, Miroslav (1670) | Won 2-0 | +201589 |
| top | average opponent: 1587record: 6-2-1 | new rating: 1589 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 83 | Zebrowski, Marcin (1513) | Lost 1-2 | -171448 |
| 3sealed | 560 | Staiger, Roland (1478) | Won 2-0 | +181466 |
| 4sealed | 217 | Bottcher, Daniel (1571) | Won 2-0 | +201486 |
| 5sealed | 324 | Bezenek, Matthias (1533) | Lost 0-2 | -171469 |
| 6sealed | 370 | Eichholzer, Marius (1505) | Lost 0-2 | -171452 |
| 7sealed | 436 | Brinek, David (1498) | Won 2-1 | +191471 |
| 8sealed | 338 | Adamski, MichaL (1522) | Won 2-0 | +191490 |
| 9sealed | 211 | Semerad, Petr (1535) | Won 2-1 | +181508 |
| top | average opponent: 1519record: 5-3 | new rating: 1508 | ||
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 176 | Bakkehaug, Christian (1775) | Won 2-0 | +251410 |
| 5sealed | 75 | Ciarlantini, Simone (1553) | Lost 0-2 | -161394 |
| 6sealed | 112 | Mastrodomenico, Luigi (1495) | Won 2-1 | +201414 |
| 7sealed | 110 | Vidal, Bernat (1765) | Won 2-0 | +241438 |
| 8sealed | 66 | Zlotoiabko, Boris (1618) | Won 2-1 | +211459 |
| 9sealed | 8 | Marinelli, Matteo (1610) | Won 2-0 | +211480 |
| 10draft | 71 | Tardiani, Mattia (1634) | Won 2-1 | +211501 |
| 11draft | 55 | Vukovic, Boris (1638) | Lost 0-2 | -161485 |
| 12draft | 23 | Dedaj, Terenc (1673) | Lost 0-2 | -141471 |
| 13draft | 74 | Floch, Ivan (1803) | Lost 1-2 | -121459 |
| 14draft | 12 | Triantafillou, Dimitris (1526) | Lost 0-2 | -171442 |
| 15draft | 64 | Milis, Michael (1736) | Won 2-0 | +231465 |
| top | average opponent: 1652record: 7-5 | new rating: 1465 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 83 | Enevoldsen, Thomas (1870) | Lost 0-2 | -111417 |
| 5sealed | 341 | Koubek, Vojtech (1478) | Lost 0-2 | -161401 |
| 6sealed | 377 | Goold, Steven (1524) | Lost 0-2 | -161385 |
| top | average opponent: 1624record: 0-3 | new rating: 1385 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 717 | Tzortzis, Tasos (1470) | Lost 0-2 | -191481 |
| 2sealed | 825 | Ali, Mohamed (1517) | Lost 0-2 | -171464 |
| 3sealed | 878 | Civelli, Daniele (1517) | Lost 1-2 | -171447 |
| 4sealed | 915 | Marranci, Niccolo (1381) | Lost 0-2 | -191428 |
| top | average opponent: 1471record: 0-4 | new rating: 1428 | ||