[Event "Groningen"] [Site "?"] [Round "0"] [White "Kmoch"] [Black "Landau"] [Result "0-1"] [ECO "D10"] [Opening "Slav: Exchange, 4.Nc3"] {Black relies on quiet defence} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 a6 8. Ne5 Rc8 9. g4 Bd7 10. Bg2 e6 11. O-O h6 (11... h5 {This position occured in the game Alekhin-Euwe, AVRO 1938, but here Black played too sharp and White obtained a decisive advantage} 12. Nxd7 Nxd7 13. gxh5 Nf6 14. Bf3) 12. Bg3 Be7 $1 { This quiet defensive move is an important improvement} 13. f4 Nxe5 14. fxe5 Nh7 15. e4 {The best chance, otherwise Black castles and then plays ... Pf6 in perfect safety} 15... dxe4 16. Bxe4 Qb6 17. Rf2 Ng5 18. Bg2 Bc6 19. h4 { White feels compelled to continue his attack as sharply as possible} 19... Bxg2 20. Kxg2 Qc6+ $1 21. d5 exd5 22. Qxd5 Ne6 23. Qxc6+ $2 {A serious loss of time} (23. Rd1) 23... Rxc6 24. Rd1 Rc4 $1 25. Kh3 h5 $1 { This forces the following weakening, after which White's Bishop becomes "bad"} 26. g5 Bc5 27. Rfd2 $2 { Only after this move does White's disadvantage become really acute} (27. Rf3) 27... Bb4 28. Rd7 Bxc3 29. bxc3 Rxc3 30. Rxb7 O-O 31. Rd2 Rfc8 32. Kg2 R8c4 { Black is decidedly better placed for the endgame. His Knight is much stronger than White's bad Bishop and White has several weak pawns. Black turned his advantage into a win asfollows} 33. Rb3 Kh7 34. Rf2 Kg6 35. Rbb2 a5 36. Rb7 Rg4 37. Rf3 Rc2+ 38. Rf2 Nf4+ 39. Kf3 Rc3+ 40. Ke4 Ne6+ 0-1