[Event "RSX-4-Jahreszeiten Sommer 21-1"] [Site "www.remoteschach.de"] [Date "2021.08.28"] [ECO "B52"] [White "Cvak, Rudolf"] [Black "Class, Wolfgang"] [Result "1/2-1/2"] [Group "A"] [RS-ELO-White "2558"] [RS-ELO-Black "2451"] [RS-Nicknames "Rudin - classki"] [RSID "165811"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nf6 5. Nc3 g6 6. 0-0 Bg7 7. d4 cxd4 8. Bxd7+ Qxd7 9. Qxd4 0-0 10. Bg5 Nc6 11. Qd2 Qe6 12. Qe2 Rac8 13. Rad1 h6 14. Bd2 Nd7 15. b3 f5 16. exf5 Qxe2 17. Nxe2 Rxf5 18. Nh4 Rf6 19. f4 a6 20. h3 Kh7 21. Bc3 Rf7 22. Bxg7 Kxg7 23. Rf3 b5 24. cxb5 axb5 25. Rg3 Nf8 26. Rc3 Ne6 27. g4 b4 28. Rc2 Nc5 29. f5 gxf5 30. Nxf5+ Kh7 31. Nf4 1/2-1/2