Halga, Bogdan
Current rating: 1553
Record: 17-15-1
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Wieczorek, Konrad (1500) | Draw 1-1 | 01537 |
| 2sealed | 160 | Illek, Martin (1501) | Won 2-1 | +171554 |
| 3sealed | 97 | Lazarev, Anton I (1517) | Won 2-0 | +171571 |
| 4sealed | 82 | Pysz, Konrad S (1445) | Won 2-1 | +161587 |
| 5sealed | 43 | Smid, Ondrej (1557) | Won 2-1 | +171604 |
| 6sealed | 21 | Leigh, Simon (1682) | Won 2-1 | +201624 |
| 7sealed | 10 | Jakubec, Stepan (1550) | Won 2-0 | +171641 |
| 8sealed | 5 | Mueller, Andre (1809) | Lost 0-2 | -151626 |
| 9sealed | 17 | Lebeda, Jiri (1686) | Won 2-0 | +191645 |
| 10draft | 16 | Czapor, Grzegorz (1615) | Lost 1-2 | -191626 |
| 11draft | 38 | Wall, Oskar (1624) | Lost 1-2 | -181608 |
| 12draft | 1 | Jakubec, Stepan (1542) | Lost 0-2 | -191589 |
| 13draft | 67 | Schrotter, Gabriel (1542) | Lost 0-2 | -191570 |
| 15draft | 4 | Kotov, Anton (1645) | Lost 1-2 | -171553 |
| top | average opponent: 1587record: 7-6-1 | new rating: 1553 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 631 | Steiger, Roland (1500) | Won 2-0 | +191493 |
| 2sealed | 633 | Lamr, Martin (1697) | Won 2-1 | +211514 |
| 3sealed | 603 | Chodak, Michal (1509) | Won 2-1 | +181532 |
| 4sealed | 597 | Kuchenbecker, Sebastian (1505) | Won 2-0 | +181550 |
| 5sealed | 528 | Baudys, Ondrej (1780) | Lost 1-2 | -141536 |
| 6sealed | 581 | Vogel, Alexander (1510) | Won 2-0 | +171553 |
| 7sealed | 549 | Bakkehaug, Christian (1545) | Lost 0-2 | -181535 |
| 8sealed | 552 | Gargulak, Daniel (1586) | Won 2-1 | +191554 |
| 9sealed | 535 | Laznovsky, Martin (1623) | Lost 0-2 | -171537 |
| top | average opponent: 1584record: 6-3 | new rating: 1537 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 48 | Rokkjaer, Simon (1469) | Won 2-1 | +181484 |
| 5standard | 21 | Kratter, Filippo (1532) | Lost 0-2 | -171467 |
| 6standard | 55 | Englund, Simon E (1587) | Lost 0-2 | -161451 |
| 7standard | 141 | Mosholen, Andre (1581) | Won 2-0 | +201471 |
| 8standard | 98 | Wisniewski, Mateusz (1565) | Won 2-1 | +201491 |
| 9standard | 66 | de Jong, Hugo (1552) | Lost 0-2 | -171474 |
| top | average opponent: 1548record: 3-3 | new rating: 1474 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 7 | Szoke, Zoltan (1474) | Lost 0-2 | -181482 |
| 5extended | 73 | Holzinger, Thomas (1505) | Won 2-1 | +181500 |
| 6extended | 34 | Sovago, Philipp (1597) | Lost 0-2 | -161484 |
| 7extended | 64 | Vonk, Warren (1486) | Lost 1-2 | -181466 |
| top | average opponent: 1515record: 1-3 | new rating: 1466 | ||