Problem Display
PID: 133674 (8/4Pp1B/5B2/r5p1/1r3pK1/p4P2/pn6/k7 w - - 0 1)

White, Alain Campbell

The Theory of Pawn Promotion, 1912

8/4Pp1B/5B2/r5p1/1r3pK1/p4P2/pn6/k7

#4

5 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.e8R!
      • threat
        • 2.Re1#
      • 1...Re4
        • 2.Rxe4
          • threat
            • 3.Re1#
          • 2...Rc5
            • 3.Re1+
              • 3...Rc1
                • 4.Rxc1#
          • 2...Rd5
            • 3.Re1+
              • 3...Rd1
                • 4.Rxd1#
          • 2...Re5
            • 3.Rxe5
              • threat
                • 4.Re1#
      • 1...Re5
        • 2.Rxe5
          • threat
            • 3.Re1#
          • 2...Re4
            • 3.Rxe4
              • 3...Kb1
                • 4.Re1#
          • 2...Sd1
            • 3.Re1+
              • 3...Rb2
                • 4.Rxd1#
              • 3...Rd4
                • 4.Bxd4#
          • 2...Rc4
            • 3.Re1+
              • 3...Rc1
                • 4.Rxc1#
          • 2...Rd4
            • 3.Re1+
              • 3...Rd1
                • 4.Rxd1#
              • 3...Sd1
                • 4.Bxd4#

This is after

After a problem by W. von Holzhausen.

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