Problem Display
PID: 171940 (3K4/7Q/8/8/8/8/1p6/k1N5 w - - 0 1)

Antipov, Viacheslav Pavlovich

Shakh-M (Borovich), 1987

3K4/7Q/8/8/8/8/1p6/k1N5

#5

3 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qg7
          • threat
            • 3.Qxb2#
          • 2...Kb1
            • 3.Qxb2#
          • 2...Ka2
            • 3.Qxb2#
        • 2.Qh8
          • threat
            • 3.Qxb2#
          • 2...Kb1
            • 3.Qxb2#
          • 2...Ka2
            • 3.Qxb2#
      • 1...Ka2
        • 2.Qf7+
          • 2...Ka3
            • 3.Qb7
              • threat
                • 4.Qxb2+
                  • 4...Ka4
                    • 5.Qb4#
                • 4.Qb4+
                  • 4...Ka2
                    • 5.Qxb2#
              • 3...b1Q
                • 4.Qxb1
                  • 4...Ka4
                    • 5.Qb4#
              • 3...b1S
                • 4.Qb2+
                  • 4...Ka4
                    • 5.Qb4#
                • 4.Qb4+
                  • 4...Ka2
                    • 5.Qb2#
                • 4.Qxb1
                  • 4...Ka4
                    • 5.Qb4#
              • 3...b1B
                • 4.Qb2+
                  • 4...Ka4
                    • 5.Qb4#
                • 4.Qb4+
                  • 4...Ka2
                    • 5.Qb2#
                    • 5.Qa4#
                • 4.Qxb1
                  • 4...Ka4
                    • 5.Qb4#
              • 3...b1R
                • 4.Qxb1
                  • 4...Ka4
                    • 5.Qb4#
      • 1...b1Q
        • 2.Qa7+
          • 2...Qa2
            • 3.Qg1+
              • 3...Qb1
                • 4.Qd4+
                  • 4...Ka2
                    • 5.Qa4#
                  • 4...Qb2
                    • 5.Qxb2#

FEATURES


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