[Event "European Blitz 2021"] [Site "Katowice POL"] [Date "2021.12.17"] [Round "1.12"] [White "Blaszczak, Karol"] [Black "Tazbir, M"] [Result "0-1"] [BlackTitle "GM"] [WhiteElo "1742"] [BlackElo "2508"] [ECO "B92"] [Opening "Sicilian"] [Variation "Najdorf, Opovcensky variation"] [EventDate "2021.12.17"] [WhiteFideId "21821003"] [BlackFideId "1122452"] 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 Nbd7 10. f4 b5 11. fxe5 Nxe5 12. Bg5 Bb7 13. Bxf6 Bxf6 14. Nd5 Bg5 15. Nd4 g6 16. Nf3 Nxf3 17. Rxf3 Rc8 18. c3 Rc5 19. a4 Bxd5 20. exd5 bxa4 21. Rxa4 a5 22. b4 axb4 23. cxb4 Rc8 24. b5 Rc1 25. Rb3 Rxd1+ 26. Bxd1 Qb6 27. Ra6 Qd4 28. Bf3 Re8 29. Rb1 Qd3 0-1

[Event "European Blitz 2021"] [Site "Katowice POL"] [Date "2021.12.17"] [Round "2.12"] [White "Tazbir, M"] [Black "Blaszczak, Karol"] [Result "1-0"] [WhiteTitle "GM"] [WhiteElo "2508"] [BlackElo "1742"] [ECO "B20"] [Opening "Sicilian"] [Variation "Keres variation (2.Ne2)"] [EventDate "2021.12.17"] [WhiteFideId "1122452"] [BlackFideId "21821003"] 1. e4 c5 2. Ne2 d6 3. g3 g6 4. Bg2 Bg7 5. c3 e6 6. O-O Ne7 7. d4 O-O 8. a4 a5 9. Na3 Na6 10. Be3 cxd4 11. Nxd4 Nc5 12. Ndb5 Ra6 13. Nc4 Bd7 14. Nbxd6 Nxa4 15. Nxb7 Qc7 16. Nbxa5 Rxa5 17. Nxa5 Nxb2 18. Qe2 Ra8 19. Qxb2 Rxa5 20. Rxa5 Qxa5 21. Qb8+ Bf8 22. Rd1 Bc8 23. Bd4 Qa6 24. Qe5 1-0