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Puzzle 802017: Albul câștigă finalul

FM Erik Ronka (2248) - CM Darvi Abraham Crispin Ferreras (2160)
Titled Tue 23rd Aug Early chess.com INT (2), 2022.08.23
  2. 1.d4
  3. Cf6
  4. 2.c4
  5. e6
  6. 3.Cc3
  7. Nb4
  8. 4.a3
  9. Nxc3+
  10. 5.bxc3
  11. O-O
  12. 6.f3
  13. d6
  14. 7.e4
  15. c5
  16. 8.Nd3
  17. Cc6
  18. 9.Ce2
  19. e5
  20. 10.d5
  21. Ce7
  22. 11.g4
  23. Cd7
  24. 12.h4
  25. Cb6
  26. 13.Cg3
  27. Cg6
  28. 14.Ta2
  29. Nd7
  30. 15.Cf5
  31. Cf4
  32. 16.Nxf4
  33. exf4
  34. 17.Dd2
  35. Nxf5
  36. 18.gxf5
  37. Df6
  38. 19.Tc2
  39. De5
  40. 20.Tg1
  41. Rh8
  42. 21.Tg4
  43. Cd7
  44. 22.Dxf4
  45. Dxf4
  46. 23.Txf4
  47. Ce5
  48. 24.Ne2
  49. h5
  50. 25.Rf2
  51. f6
  52. 26.Tb2
  53. b6
  54. 27.a4
  55. Tfb8
  56. 28.Re3
  57. Rg8
  58. 29.Nf1
  59. Rf7
  60. 30.Rd2
  61. Re7
  62. 31.Rc2
  63. Rd7
  64. 32.Rb3
  65. Rc7
  66. 33.Tg2
  67. Tg8
  68. 34.Tg3
  69. a6
  70. 35.Nh3
  71. Tad8
  72. 36.Ng4
  73. hxg4
  74. 37.fxg4
  75. Tb8
  76. 38.g5
  77. b5
  78. 39.axb5
  79. axb5
  80. 40.cxb5
  81. Txb5+
  82. 41.Rc2
  83. c4
  84. 42.h5
  85. fxg5
  86. 43.Txg5
  87. Tb2+
  88. 44.Rxb2
  89. Cd3+
  90. 45.Rc2
  91. Cxf4
  92. 46.h6
  93. g6
  94. 47.h7
  95. Th8
  96. 48.fxg6
  97. Cxg6
  98. 49.Txg6
  99. Txh7
  100. 50.Rb2
  101. Th4
  102. 51.Te6
  103. Th3
  104. 52.Te7+
  105. Rb6
  106. 53.Td7
  107. Rc5
  108. 54.Tc7+
  109. Rb5
  110. 55.Tc6
  111. Te3
  112. 56.Txd6
  113. Txe4
  114. 57.Td8
  115. Te2+
  116. 58.Ra3
  117. Te3
  118. 59.Rb2
  119. Te2+
  120. 60.Rc1
  121. Te3
  122. 61.Rd2
  123. Td3+
  124. 62.Rc2
  125. Rc5
  126. 63.Rb2
  127. Txd5
  128. 64.Txd5+
  129. Rxd5
  130. 65.Ra3
  131. Re4
  132. 66.Ra4
  133. Re3
  134. 67.Rb5
  135. Rd3
  136. 68.Rb4
  137. Re4
  138. 69.Rxc4
  139. Re5
  140. 70.Rb5
  141. Rd6
  142. 71.c4
  143. Rd7
    1. Soluţie:71...Rd7
    2. 72.Rb6
    3. Rd6
      1. 72...Re6 with a winning endgame, for example:
      2. 73.c5
      3. Re5
      4. 74.c6
      5. Rd6
      6. 75.c7
      7. Rd7
      8. 76.Rb7
      9. Rd6
      10. 77.c8=Q
    5. 73.c5+
      1. 73.Rb5
      2. Rc7
      3. 74.Rc5
      4. Rb7
        1. 74...Rd7
        2. 75.Rb6
        3. Rc8
        4. 76.c5
        5. Rd7
        6. 77.Rb7
        7. Rd8 with a winning endgame, for example:
        8. 78.c6
        9. Re8
        10. 79.c7
        11. Re7
        12. 80.c8=Q
      6. 75.Rd6
        1. 75.Rb5
        2. Rc7
        1. 75.Rd5
        2. Rc7
          1. 75...Rb6
          2. 76.Rd6
          3. Ra6 with a winning endgame, for example:
          4. 77.c5
          5. Rb5
          6. 78.c6
          7. Rb6
          8. 79.c7
          9. Rb7
          10. 80.Rd7
          11. Rb6
          12. 81.c8=Q
        4. 76.Rc5
        5. Rb7
      8. 75...Rb6
        1. 75...Ra6 with a winning endgame, for example:
        2. 76.c5
        3. Rb5
        4. 77.c6
        5. Ra6
        6. 78.c7
        7. Rb7
        8. 79.Rd7
        9. Rb6
        10. 80.c8=Q
      10. 76.c5+
        1. 76.Rd5
        2. Rc7
        3. 77.Rc5
        4. Rb7
      12. 76...Rb5
      13. 77.c6
        1. 77.Rd5
        2. Rb4 with a winning endgame, for example:
        3. 78.c6
        4. Rb5
        5. 79.c7
        6. Rb6
        7. 80.c8=Q
      15. 77...Rb6
      16. 78.c7
        1. 78.Rd7
        2. Rc5
          1. 78...Rb5
          2. 79.c7
          3. Rc4
          4. 80.c8=Q+
        4. 79.c7
          1. 79.Rc7
          2. Rb5
            1. 79...Rd5
            2. 80.Rb7
            3. Rd6
            4. 81.c7
            5. Rd7
            6. 82.c8=Q+
          4. 80.Rd6
            1. 80.Rb7
            2. Rc5
            3. 81.c7
              1. 81.Rc7
              2. Rb5
                1. 81...Rd5
                2. 82.Rb7
                3. Rd6
                4. 83.c7
                5. Rd7
                6. 84.c8=Q+
            5. 81...Rd6
              1. 81...Rd5
              2. 82.c8=Q
            7. 82.c8=Q
              1. 82.c8=R
            1. 80.Rd7
            2. Rc5
          6. 80...Rc4 with a winning endgame, for example:
            1. 80...Ra6 with a winning endgame, for example:
            2. 81.c7
            3. Rb7
            4. 82.Rd7
            5. Rb6
            6. 83.c8=Q
          8. 81.c7
          9. Rd4
          10. 82.c8=Q
        6. 79...Rb6
          1. 79...Rd5
          2. 80.c8=Q
        8. 80.c8=Q
          1. 80.c8=R
      18. 78...Rb7
      19. 79.Rd7
      20. Rb6
      21. 80.c8=Q
        1. 80.c8=R
    7. 73...Rd5
    8. 74.c6
      1. 74.Rb5
      2. Rd4 with a winning endgame, for example:
      3. 75.c6
      4. Rd5
      5. 76.c7
      6. Rd6
      7. 77.c8=Q
    10. 74...Rd6
    11. 75.c7
      1. 75.Rb7
      2. Rc5
        1. 75...Rd5
        2. 76.c7
        3. Rc5
        4. 77.c8=Q+
      4. 76.c7
        1. 76.Rc7
        2. Rb5
          1. 76...Rd5
          2. 77.Rb7
          3. Rd6
          4. 78.c7
          5. Rd7
          6. 79.c8=Q+
        4. 77.Rd6
          1. 77.Rb7
          2. Rc5
          1. 77.Rd7
          2. Rc5
            1. 77...Rb6
            2. 78.c7
            3. Rb7
            4. 79.c8=Q+
          4. 78.c7
            1. 78.Rc7
            2. Rb5
              1. 78...Rd5
              2. 79.Rb7
              3. Rd6
              4. 80.c7
              5. Rd7
              6. 81.c8=Q+
          6. 78...Rb6
            1. 78...Rd5
            2. 79.c8=Q
          8. 79.c8=Q
            1. 79.c8=R
        6. 77...Rc4 with a winning endgame, for example:
          1. 77...Ra6 with a winning endgame, for example:
          2. 78.c7
          3. Rb7
          4. 79.Rd7
          5. Rb6
          6. 80.c8=Q
        8. 78.c7
        9. Rd4
        10. 79.c8=Q
      6. 76...Rd6
        1. 76...Rd5
        2. 77.c8=Q
      8. 77.c8=Q
        1. 77.c8=R
    13. 75...Rd7
    14. 76.Rb7
    15. Rd6
    16. 77.c8=Q
      1. 77.c8=R
  145. 72.Rb6
  146. Rc8
  147. 73.Rc6
1-0

This puzzle is part of the following Puzzle Academy skills:
  • Pawn on the 4th rank
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