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Puzzle 960853: As brancas ganham o final

Study by N. Grigoriev
1.p 64#613 (2), 1932
  2. 1.Rg3
  3. Re3
  4. 2.h4
  5. Re4
  6. 3.Rg4
  7. Re5
  8. 4.Rg5
  9. Re4
  10. 5.h5
  11. Rf3
    1. Solução:5...Rf3
    2. 6.Rf5
    3. Rg2
    4. 7.Rg6
      1. 7.h4
      2. Rh3
      3. 8.h6
      4. gxh6
      5. 9.h5
      6. Rg3
        1. 9...Rh2 with a winning endgame, for example:
        2. 10.Rg6
        3. Rg3
        4. 11.Rxh6
        5. Rg4
        6. 12.Rg6
        7. Rh4
        8. 13.h6
        9. Rg4
        10. 14.h7
        11. Rh4
        12. 15.h8=Q+
        1. 9...Rh4
        2. 10.Rg6
        3. Rg4
        4. 11.Rxh6
        5. Rh4
        6. 12.Rg6
        7. Rg4
        8. 13.h6
        9. Rh4 with a winning endgame, for example:
        10. 14.h7
        11. Rg4
        12. 15.h8=Q
      8. 10.Rg6
      9. Rf4
        1. 10...Rh4
        2. 11.Rxh6
        3. Rg4
        4. 12.Rg6
        5. Rh4
        6. 13.h6
        7. Rg4 with a winning endgame, for example:
        8. 14.h7
        9. Rh4
        10. 15.h8=Q+
        1. 10...Rg4
        2. 11.Rxh6
        3. Rh4
        4. 12.Rg6
        5. Rg4
        6. 13.h6
        7. Rh4 with a winning endgame, for example:
        8. 14.h7
        9. Rg4
        10. 15.h8=Q
      11. 11.Rxh6
      12. Rf5
        1. 11...Rg4
        2. 12.Rg6
        3. Rh4
        4. 13.h6
        5. Rg4 with a winning endgame, for example:
        6. 14.h7
        7. Rh4
        8. 15.h8=Q+
      14. 12.Rg7
      15. Rg5
      16. 13.h6
      17. Rh5
      18. 14.h7
        1. 14.Rh7
        2. Rg5
        3. 15.Rg7
        4. Rh5
          1. 15...Rf5 with a winning endgame, for example:
          2. 16.h7
          3. Rg5
          4. 17.h8=Q
          1. 15...Rg4 with a winning endgame, for example:
          2. 16.h7
          3. Rf5
          4. 17.h8=Q
      20. 14...Rg5
      21. 15.h8=Q
        1. 15.h8=R
      1. 7.h6
      2. gxh6
      3. 8.h4
      4. Rh3
    6. 7...Rxh2
    7. 8.Rxg7
    8. Rg3 with a winning endgame, for example:
      1. 8...Rg2 with a winning endgame, for example:
      2. 9.h6
      3. Rg3
      4. 10.h7
      5. Rg4
      6. 11.h8=Q
    10. 9.h6
    11. Rf4
    12. 10.h7
    13. Re5
    14. 11.h8=Q
  13. 6.Rf5
  14. Rg2
  15. 7.Rg6
1-0
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