Problem Display
PID: 36985 (8/8/3P4/3k2KQ/4N2P/3N4/8/8 w - - 0 1)

Loyd, Sam

American Chess Journal, 1877

8/8/3P4/3k2KQ/4N2P/3N4/8/8

#4

6 + 1


5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Keys
    • 1.Sec5!
      • 1...Kc4
        • 2.Qg4+
          • 2...Kc3
            • 3.Qf4
              • 3...Kc2
                • 4.Qc1#
          • 2...Kb5
            • 3.Qa4+
              • 3...Kb6
                • 4.Qa6#
          • 2...Kd5
            • 3.Qa4
              • 3...Kxd6
                • 4.Qd7#
      • 1...Kd4
        • 2.Qf7
          • 2...Kc3
            • 3.Qf4
              • 3...Kc2
                • 4.Qc1#
      • 1...Kc6
        • 2.Qe8+
          • 2...Kd5
            • 3.Qa4
              • 3...Kxd6
                • 4.Qd7#
          • 2...Kb6
            • 3.Qa8
              • 3...Kb5
                • 4.Qa6#
            • 3.Qc8
              • threat
                • 4.Qa6#
              • 3...Ka5
                • 4.Qa6#
              • 3...Kb5
                • 4.Qa6#
              • 3...Ka7
                • 4.Qb7#
        • 2.Qg4
          • 2...Kb5
            • 3.Qa4+
              • 3...Kb6
                • 4.Qa6#
          • 2...Kd5
            • 3.Qa4
              • 3...Kxd6
                • 4.Qd7#
          • 2...Kb6
            • 3.Qc8
              • threat
                • 4.Qa6#
              • 3...Ka5
                • 4.Qa6#
              • 3...Kb5
                • 4.Qa6#
              • 3...Ka7
                • 4.Qb7#
      • 1...Kxd6
        • 2.Qf7
          • 2...Kc6
            • 3.Qb7+
              • 3...Kd6
                • 4.Qd7#

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