Bartosz, Melka
Current rating: 1560
Record: 21-19-2
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 252 | Cerqueira, Ricardo (1455) | Won 2-0 | +161586 |
| 2standard | 56 | Hayoun Caballero, Isaac (1637) | Lost 1-2 | -171569 |
| 3standard | 358 | Musial, Michal (1447) | Won 2-0 | +151584 |
| 4standard | 244 | Colding-Jorgensen, Martin (1408) | Lost 0-2 | -211563 |
| 5standard | 364 | Szura, Robert (1499) | Won 2-0 | +171580 |
| 6standard | 282 | Inglis, David [ENG] (1473) | Lost 0-2 | -201560 |
| top | average opponent: 1487record: 3-3 | new rating: 1560 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Dadel, Kamil (1465) | Won 2-1 | +171544 |
| 2sealed | 65 | Knapova, Dominika (1430) | Draw 1-1 | -21542 |
| 3sealed | 162 | Martin, Quentin (1869) | Lost 0-2 | -121530 |
| 4sealed | 329 | Faggin, Ari (1590) | Won 2-0 | +191549 |
| 5sealed | 233 | Svensson, Johan (1729) | Won 2-0 | +211570 |
| 6sealed | 145 | Chemyakin, Mikhail (1536) | Draw 1-1 | 01570 |
| 7sealed | 3 | Gerecke, Piet (1625) | Won 0-0 | +191589 |
| 8sealed | 153 | Niegowski, Arkadiusz (1540) | Lost 0-2 | -191570 |
| top | average opponent: 1598record: 4-2-2 | new rating: 1570 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 208 | Morand, Thomas (1498) | Lost 0-2 | -191565 |
| 2standard | 420 | Mazzucato, Alberto (1582) | Lost 1-2 | -181547 |
| 3standard | 492 | Rich, Jarus (1465) | Lost 1-2 | -201527 |
| top | average opponent: 1515record: 0-3 | new rating: 1527 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 513 | Pedrakowski, Pawel (1788) | Won 2-1 | +221536 |
| 5sealed | 513 | Linden, Mikael (1666) | Won 2-0 | +211557 |
| 6sealed | 508 | Westling, Tomas (1724) | Lost 1-2 | -151542 |
| 7sealed | 529 | Gouroutidis, Kiriakos (1640) | Won 2-1 | +201562 |
| 8sealed | 507 | Rodrigues, Ricardo (1642) | Lost 1-2 | -171545 |
| 9sealed | 525 | Valkeneers, Tom (1740) | Won 2-1 | +221567 |
| 10draft | 44 | Farcas-Lohan, Jougene (1534) | Lost 0-2 | -191548 |
| 11draft | 58 | Mesotten, Raf (1687) | Won 2-1 | +201568 |
| 12draft | 12 | Golia, Patrizio (1811) | Lost 0-2 | -131555 |
| 13draft | 47 | Mesotten, Raf (1687) | Lost 1-2 | -161539 |
| 14draft | 27 | Schmaltz Tziritas, Mathew (1774) | Won 2-1 | +221561 |
| 15draft | 28 | Bonaventura, Ciro (1834) | Won 2-0 | +231584 |
| top | average opponent: 1710record: 7-5 | new rating: 1584 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 8 | Kopec, Mateusz (1643) | Lost 0-2 | -161534 |
| 3standard | 121 | Helbig, Martin (1555) | Lost 0-2 | -181516 |
| 4standard | 192 | Krynski, Dawid (1412) | Won 2-0 | +161532 |
| 5standard | 159 | Ostrouhov, Alexander V (1482) | Lost 0-2 | -181514 |
| top | average opponent: 1523record: 1-3 | new rating: 1514 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Larsen, Michael (1314) | Lost 0-2 | -211479 |
| 2sealed | 241 | Sjogren, Love (1482) | Lost 1-2 | -181461 |
| 3sealed | 283 | Osala, Arto (1395) | Won 2-0 | +171478 |
| 4sealed | 270 | Wretljung Persson, Johannes (1482) | Won 2-0 | +181496 |
| 5sealed | 204 | Ingvarsson, Per (1498) | Won 2-1 | +181514 |
| 6sealed | 140 | Lowejko, Samuel (1519) | Won 2-0 | +181532 |
| 7sealed | 139 | Tuomi, Sami (1515) | Won 0-0 | +171549 |
| 8sealed | 84 | Elfgren, Bertil (1564) | Lost 1-2 | -171532 |
| 9sealed | 101 | Vallivaara, Visa (1562) | Won 2-1 | +181550 |
| top | average opponent: 1481record: 6-3 | new rating: 1550 | ||