Zalwowski, Mariusz
Current rating: 1508
Record: 20-23
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Matotea, Stefano (1419) | Won 2-0 | +161537 |
| 2sealed | 323 | Botta, Fabrizio (1468) | Won 2-1 | +171554 |
| 3sealed | 154 | Paolucci, Matteo (1738) | Won 2-1 | +211575 |
| 4sealed | 103 | Giorgio, Francesco (1897) | Lost 0-2 | -121563 |
| 5sealed | 213 | Zidek, Arnost (1676) | Lost 1-2 | -161547 |
| 6sealed | 443 | Bokota, Sebastian (1420) | Lost 1-2 | -201527 |
| 7sealed | 519 | Vukomanovic, Igor (1494) | Lost 0-2 | -191508 |
| top | average opponent: 1587record: 3-4 | new rating: 1508 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 258 | Pokrasyon, Ilya (1500) | Lost 1-2 | -181486 |
| 2standard | 417 | Bernacki, Daniel (1410) | Won 2-1 | +171503 |
| 3standard | 390 | Repa, Tamas (1548) | Won 2-0 | +191522 |
| 4standard | 211 | Kolsut, Kamil (1337) | Won 2-1 | +141536 |
| 5standard | 223 | Schachel, Jonas (1527) | Won 2-0 | +181554 |
| 6standard | 157 | Lind, Daniel (1557) | Lost 1-2 | -181536 |
| 7standard | 163 | Miarecki, Patryk (1529) | Won 2-0 | +181554 |
| 8standard | 95 | Skowera, Tomasz (1558) | Lost 1-2 | -181536 |
| 9standard | 158 | Lupalo, Kirill (1698) | Lost 0-2 | -151521 |
| top | average opponent: 1518record: 5-4 | new rating: 1521 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Nordsiek, Tim (1500) | Won 2-1 | +181494 |
| 2standard | 52 | Janotta, Timo (1522) | Lost 0-2 | -171477 |
| 3standard | 407 | Sekret, Serhii (1540) | Won 2-0 | +191496 |
| 4standard | 291 | Arendas, Laszlo (1443) | Lost 0-2 | -191477 |
| 5standard | 413 | Nahodil, Petr (1727) | Lost 0-2 | -141463 |
| 6standard | 392 | Hus, Ondrej (1488) | Won 2-0 | +191482 |
| 7standard | 323 | Maier, Jordan (1618) | Won 2-0 | +201502 |
| 8standard | 271 | Groot, Wessel (1615) | Won 2-0 | +201522 |
| 9standard | 197 | Czuron, Alan (1525) | Lost 1-2 | -181504 |
| top | average opponent: 1553record: 5-4 | new rating: 1504 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 308 | Mohr, Gerrit (1480) | Won 2-0 | +191473 |
| 4standard | 10 | Lewicki, Michal (1773) | Won 2-0 | +231496 |
| 5standard | 381 | Toomepuu, Tarmo (1553) | Won 2-1 | +191515 |
| 6standard | 11 | Del Basso, Federico (1884) | Lost 0-2 | -111504 |
| 7standard | 261 | Mello, Dustin (1560) | Won 2-1 | +191523 |
| 8standard | 19 | Starka, Jakub (1682) | Won 2-0 | +211544 |
| 9standard | 9 | Loeb, Davy (1869) | Lost 0-2 | -131531 |
| 10standard | 53 | Gregor, Robert (1584) | Lost 1-2 | -171514 |
| 11standard | 68 | Bonde, Michael (1771) | Lost 0-2 | -131501 |
| 12standard | 72 | Strautz, Marcel (1533) | Lost 1-2 | -181483 |
| 13standard | 74 | Szklarski, Michal (1656) | Lost 1-2 | -141469 |
| 14standard | 69 | Han, Bing (1805) | Won 2-0 | +231492 |
| 15standard | 67 | Horka, Marek (1557) | Lost 0-2 | -161476 |
| top | average opponent: 1670record: 6-7 | new rating: 1476 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Hoffmeister, Sebastian (1500) | Lost 0-2 | -181482 |
| 2sealed | 257 | Wieczorek, Piotr (1484) | Lost 1-2 | -181464 |
| 3sealed | 421 | Sawka, Jakub (1431) | Won 2-1 | +171481 |
| 4sealed | 442 | Repetti, Guillaume (1584) | Lost 0-2 | -161465 |
| 5sealed | 390 | De Rosa, Antonino (1877) | Lost 0-2 | -111454 |
| top | average opponent: 1575record: 1-4 | new rating: 1454 | ||