Puzzle 375550: Zwart naar Verdedigen en winnen

Jeremy Lassimonne (1570) - Antonin Renaudin (1639)
Bretagne-ch U16 Ploermel (5), 2007.02.15
  1. 1.e4
  2. c5
  3. 2.Nf3
  4. d6
  5. 3.d4
  6. cxd4
  7. 4.Nxd4
  8. Nf6
  9. 5.Nc3
  10. g6
  11. 6.Bc4
  12. Bg7
  13. 7.Be3
  14. O-O
  15. 8.Qd2
  16. Ng4
  17. 9.f3
  18. Nxe3
  19. 10.Qxe3
  20. Nc6
  21. 11.Nxc6
  22. bxc6
  23. 12.g4
  24. Rb8
  25. 13.Rb1
  26. Qa5
  27. 14.O-O
  28. Rb4
  29. 15.b3
  30. Bd7
  31. 16.Kh1
  32. Rxc4
  33. 17.bxc4
  34. Bxc3
  35. 18.Rb7
  36. Be6
  37. 19.Rfb1
  38. Bxc4
  39. 20.Rxa7
  40. Qe5
  41. 21.f4
  42. Qd4
  43. 22.Qxd4
  44. Bxd4
  45. 23.Ra4
    1. Oplossing:23.Ra4
      1. Dreigend:
      2. 24.Rxc4
    2. d5 Black is winning. White's piece activity is not enough compensation for Black's material advantage.
    3. Nu als24.Rxc4
    4. dxc4
  46. 23...d5
  47. 24.exd5
  48. Bxd5#
0-1

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