Marciniak, Artur
Current rating: 1586
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Pricop, Mircea (1500) | Lost 1-2 | -191536 |
| 2sealed | 241 | Netrefa, Jiri (1584) | Lost 1-2 | -171519 |
| 3sealed | 293 | Majer, Filip (1464) | Won 2-0 | +171536 |
| 4sealed | 299 | Petukhov, Andrey (1482) | Won 2-1 | +171553 |
| 5sealed | 185 | Bekkar, Ilies (1472) | Won 2-0 | +171570 |
| 6sealed | 204 | Hajfler, Miroslav (1519) | Lost 0-2 | -191551 |
| 7sealed | 188 | Myslicki, Mateusz (1500) | Won 2-1 | +171568 |
| 8sealed | 128 | Lefever, Joris (1572) | Won 2-0 | +181586 |
| top | average opponent: 1511record: 5-3 | new rating: 1586 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 124 | Schroder, Michael [DNK] (1500) | Lost 0-2 | -191519 |
| 2standard | 224 | Tovgaard, Anders (1482) | Won 2-0 | +171536 |
| 3standard | 146 | Kaae, Kristoffer (1434) | Won 2-1 | +161552 |
| 4standard | 195 | Benzarti, Jonas (1621) | Won 2-0 | +201572 |
| 5standard | 68 | Gasparac, Luka (1568) | Won 2-1 | +181590 |
| 6standard | 48 | Knudsen, Henrik (1552) | Lost 1-2 | -191571 |
| 7standard | 102 | Nahodil, Petr (1780) | Lost 1-2 | -141557 |
| 8standard | 129 | Ulatowski, Przemyslaw (1515) | Lost 0-2 | -191538 |
| 9standard | 114 | Doropoulos, Nikolaos (1512) | Won 2-0 | +171555 |
| top | average opponent: 1552record: 5-4 | new rating: 1555 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Mueller, Szymon (1464) | Lost 0-2 | -191481 |
| 2standard | 154 | Marous, Roman (1482) | Won 2-0 | +181499 |
| 3standard | 115 | Witczak, Bartlomiej (1482) | Won 2-0 | +181517 |
| 4standard | 77 | Gonzalez Madrigal, Francisco (1452) | Draw 1-1 | -11516 |
| 5standard | 98 | Lavs, Primoz (1599) | Draw 1-1 | +11517 |
| 6standard | 126 | Gasparac, Luka (1622) | Draw 1-1 | +21519 |
| 7standard | 109 | Zimmermann, Raoul (1519) | Won 2-0 | +181537 |
| 8standard | 95 | Vardzik, Marek (1516) | Won 2-0 | +181555 |
| 9standard | 67 | Prikazsky, Dusan (1593) | Lost 0-2 | -171538 |
| top | average opponent: 1526record: 4-2-3 | new rating: 1538 | ||