Merklejn, Kazimierz
Current rating: 1531
Record: 15-18
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 58 | Weber, Nicole (1672) | Won 1-0 | +241386 |
| 3sealed | 119 | Giesemann, Michel (1536) | Won 2-1 | +211407 |
| 4sealed | 79 | Schoenberger, Dennis (1753) | Won 2-0 | +241431 |
| 5sealed | 9 | Cuevas, Ricart (1535) | Won 2-0 | +201451 |
| 6sealed | 11 | Wallner, Johann (1746) | Lost 0-2 | -131438 |
| 7sealed | 105 | Lagarde, Antoine (1720) | Won 2-1 | +231461 |
| 8sealed | 38 | Burrow, George (1621) | Won 2-0 | +211482 |
| 9sealed | 33 | Juote, Jesse (1724) | Won 2-0 | +221504 |
| 10draft | 1022 | Roelofs, Frank (1834) | Won 2-1 | +241528 |
| 11draft | 1177 | Levy-Maysuls, Nir (1560) | Lost 0-2 | -181510 |
| 12draft | 1048 | Stok, Alex (1929) | Lost 1-2 | -101500 |
| 13draft | 1021 | Olarte Ovalle, Alvaro Edward (1657) | Won 2-0 | +201520 |
| 14draft | 1048 | Rothen, Christian (1764) | Lost 1-2 | -131507 |
| 15draft | 1092 | Wellinger, Serafin (1866) | Won 2-0 | +241531 |
| top | average opponent: 1708record: 10-4 | new rating: 1531 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 179 | Kalamarz, Lukasz (1401) | Lost 1-2 | -181388 |
| 4sealed | 314 | Macalik, Roman (1608) | Lost 0-2 | -151373 |
| 5sealed | 378 | Telipko, Sergey (1772) | Lost 1-2 | -111362 |
| top | average opponent: 1593record: 0-3 | new rating: 1362 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 27 | Holubec, Ondrej (1500) | Won 2-1 | +181472 |
| 2modern | 111 | Luther, Rico (1518) | Lost 0-2 | -171455 |
| 3modern | 378 | Urvoy, Frederic (1531) | Lost 1-2 | -161439 |
| 4modern | 612 | Noorlander, Mark (1561) | Lost 1-2 | -161423 |
| 5modern | 608 | Gruber, Ivan (1462) | Lost 1-2 | -171406 |
| top | average opponent: 1514record: 1-4 | new rating: 1406 | ||
| Grand Prix Lyon 2012 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 622 | Diederich, Marc (1504) | Won 2-1 | +191467 |
| 3modern | 548 | Habert, Alexandre (1756) | Lost 0-2 | -131454 |
| 4modern | 613 | Vachery, Damien (1517) | Won 2-0 | +201474 |
| 5modern | 602 | Govignon, Sebastien (1503) | Won 2-0 | +181492 |
| 6modern | 558 | Almaraz, Pierre (1456) | Lost 0-2 | -191473 |
| 7modern | 611 | Von Loh, Ivan (1421) | Lost 0-2 | -181455 |
| 8modern | 656 | Hoekstra, Sean (1419) | Won 2-0 | +171472 |
| 9modern | 614 | Mauracher, Stephan (1459) | Lost 0-2 | -181454 |
| top | average opponent: 1504record: 4-4 | new rating: 1454 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 24 | Asmussen, Allan (1536) | Lost 0-2 | -171483 |
| 5sealed | 65 | Wedin, Andreas (1534) | Lost 0-2 | -171466 |
| 6sealed | 121 | Morre Pedersen, Morten (1506) | Lost 0-2 | -181448 |
| top | average opponent: 1525record: 0-3 | new rating: 1448 | ||