Problem Display
PID: 36992 (1r3N1k/4NR1P/1b4K1/8/4r3/8/8/8 w - - 0 1)

Loyd, Sam

American Chess Journal, 1878

1r3N1k/4NR1P/1b4K1/8/4r3/8/8/8

#4

5 + 4


5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Keys
    • 1.Kf5!
      • threat
        • 2.Seg6#
        • 2.Sfg6#
      • 1...Rf4+
        • 2.Kg5
          • threat
            • 3.Seg6#
            • 3.Sfg6#
          • 2...Rg4+
            • 3.Kxg4
              • threat
                • 4.Seg6#
                • 4.Sfg6#
          • 2...Rf5+
            • 3.Kxf5
              • threat
                • 4.Seg6#
                • 4.Sfg6#
          • 2...Rxf7
            • 3.Seg6+
              • 3...Kg7
                • 4.h8Q#
          • 2...Rf6
            • 3.Seg6+
              • 3...Rxg6+
                • 4.Sxg6#
            • 3.Sfg6+
              • 3...Rxg6+
                • 4.Sxg6#
      • 1...Re5+
        • 2.Kf6
          • threat
            • 3.Seg6#
            • 3.Sfg6#
          • 2...Rf5+
            • 3.Kxf5
              • threat
                • 4.Seg6#
                • 4.Sfg6#
          • 2...Re6+
            • 3.Kxe6
              • threat
                • 4.Seg6#
                • 4.Sfg6#
          • 2...Rg5
            • 3.Seg6+
              • 3...Rxg6+
                • 4.Sxg6#
            • 3.Sfg6+
              • 3...Rxg6+
                • 4.Sxg6#

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