Problem Display
PID: 36984 (b5rn/1kPBpp2/pP4p1/PR1Pp3/PP2P3/8/2NP4/R3K3 w Q - 0 1)

Loyd, Sam

American Chess Journal, 1877

b5rn/1kPBpp2/pP4p1/PR1Pp3/PP2P3/8/2NP4/R3K3

#4

13 + 9


5206 Sam Loyd and His Chess Problems 1913
56 The Problemist 2006

SOLUTION


  • SOUND
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Sa1
          • threat
            • 3.Sb3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sb3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
        • 2.Se1
          • threat
            • 3.Sd3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
      • 1...axb5
        • 2.Se1
          • threat
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Ka6
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Kb7
                • 4.Sc5#
          • 2...Rc8
            • 3.Bc6+
              • 3...Ka6
                • 4.axb5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Qc8#
              • 3...Ka6
                • 4.Qxa8#
      • 1...Rf8
        • 2.Sa1
          • threat
            • 3.Sb3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sb3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
        • 2.Se1
          • threat
            • 3.Sd3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
      • 1...Rb8
        • 2.Sa1
          • threat
            • 3.Sb3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sb3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
        • 2.Se1
          • threat
            • 3.Sd3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
      • 1...Re8
        • 2.Sa1
          • threat
            • 3.Sb3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sb3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#
        • 2.Se1
          • threat
            • 3.Sd3
              • threat
                • 4.Sc5#
          • 2...axb5
            • 3.Sd3
              • threat
                • 4.Sc5#
              • 3...Ka6
                • 4.Sc5#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Bc6#
                • 4.Qc7#
                • 4.Qc8#

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