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Mauder, Karel vs Grundman, Vaclav

0-1 · Sicilian Defense: Najdorf Variation, Main Line (B99) · 2026-07-26 · ratings 1919 / 2076

Players: Mauder, Karel vs Grundman, Vaclav

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Moves

[White "Mauder, Karel"]
[Black "Grundman, Vaclav"]
[Result "0-1"]
[ECO "B99"]
[Opening "Sicilian Defense: Najdorf Variation, Main Line"]
[Date "2026-07-26"]

1. e4 1... c5 2. Nf3 2... d6 3. d4 3... cxd4 4. Nxd4 4... Nf6 5. Nc3 5... a6 6. Bg5 6... e6 7. f4 7... Be7 8. Qf3 8... Qc7 9. O-O-O 9... Nbd7 10. g4 10... h6 11. Bxf6 11... Bxf6 12. h4 12... Nb6 13. g5 13... Bxd4 14. Rxd4 14... Qc5 15. Qd3 15... hxg5 16. Rxd6 16... Rxh4 17. Rxh4 17... gxh4 18. Rd8+ 18... Ke7 19. Rg8 19... Bd7 20. Rxg7 20... Qf2 21. f5 21... exf5 22. Nd5+?? 22... Nxd5 23. exd5 23... Qe1+ 24. Qd1 24... Qxd1+ 25. Kxd1 25... Rh8 26. Bh3 26... Kf6 27. Rg2 27... Re8 28. Kd2 28... Re4 29. c3 29... Ke5 30. Rg7 30... Kf6?! 31. Rg2?! 31... b5 32. b3 32... Ke5?? 33. Rg7 33... Be8 34. Rg8 34... Kf4 35. c4 35... bxc4 36. bxc4 36... f6 37. Bf1 37... Bh5 38. Rh8 38... Kg5 39. Rg8+ 39... Bg6 40. Bd3 40... h3 41. Bxe4 41... fxe4 42. Rh8 42... Bh5 43. Rg8+ 43... Kf4 44. Rh8?? 44... Kg5?? 45. Rg8+ 45... Kh4 46. Rg1?? 46... h2 47. Rc1 47... Kg3 48. d6?? 48... Be8 49. Ke3 49... f5 50. c5?! 50... f4+?? 51. Kxe4 51... f3 52. Ke3?? 52... f2 53. Rd1 53... Kg2 54. Kd4

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