Problem Display
PID: 251953 (7R/7P/2K5/8/8/p7/8/k7 w - - 0 1)

Bernhardt, Georg Heinrich

Kristal, 1964

7R/7P/2K5/8/8/p7/8/k7

#4

3 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rb8!
      • threat
        • 2.h8Q+
          • 2...Ka2
            • 3.Qh3
              • 3...Ka1
                • 4.Qxa3#
            • 3.Qh7
              • 3...Ka1
                • 4.Qb1#
            • 3.Qf8
              • 3...Ka1
                • 4.Qxa3#
        • 2.h8R
          • threat
            • 3.Rh2
              • 3...a2
                • 4.Rh1#
          • 2...Ka2
            • 3.Rh3
              • 3...Ka1
                • 4.Rxa3#
      • 1...Ka2
        • 2.h8R
          • 2...Ka1
            • 3.Rh2
              • 3...a2
                • 4.Rh1#

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