Problem Display
PID: 73203 (1n1Q4/1p5P/1P1N4/k1N5/2p4K/P5p1/1P1p2rp/n2r1bbq w - - 0 1)

Rudenko, Valentin Fedorovich

1st Prize, Gazeta Czestochowska, 1980

1n1Q4/1p5P/1P1N4/k1N5/2p4K/P5p1/1P1p2rp/n2r1bbq

#4

8 + 13


3752 FIDE Album (1980-1982) 1988

SOLUTION


  • SOUND
  • Keys
    • 1.Qc7!
      • threat
        • 2.Sdxb7+
          • 2...Kb5
            • 3.Sd6+
              • 3...Ka5
                • 4.b7#
      • 1...Re2
        • 2.Sxc4+
          • 2...Kb5
            • 3.Sd6+
              • 3...Ka5
                • 4.b4#
      • 1...Rf2
        • 2.Scxb7+
          • 2...Ka4
            • 3.Sc5+
              • 3...Ka5
                • 4.b7#
          • 2...Ka6
            • 3.Sc5+
              • 3...Ka5
                • 4.b7#
          • 2...Qxb7
            • 3.Qc5+
              • 3...Ka4
                • 4.Qb4#
                • 4.Qb5#
              • 3...Ka6
                • 4.Qb5#
      • 1...Sa6
        • 2.Qd7
          • threat
            • 3.Qb5#
          • 2...Kxb6
            • 3.Sa4+
              • 3...Ka5
                • 4.Sxb7#
                • 4.Qb5#
              • 3...Ka7
                • 4.Qxb7#
          • 2...Sc7
            • 3.Qa4+
              • 3...Kxb6
                • 4.Sd7#
          • 2...c3
            • 3.Scxb7+
              • 3...Kxb6
                • 4.Sc8#
      • 1...Sc6
        • 2.h8Q
          • threat
            • 3.Qc3+
              • 3...Sb4
                • 4.Qxb4#
                • 4.axb4#
            • 3.Qa8+
              • 3...Sa7
                • 4.Qxa7#
          • 2...Sb4
            • 3.Sdxb7+
              • 3...Kb5
                • 4.a4#
            • 3.axb4+
              • 3...Kxb4
                • 4.Qc3#
          • 2...c3
            • 3.Qxc3+
              • 3...Sb4
                • 4.Qxb4#
                • 4.axb4#
      • 1...Sd7
        • 2.Sdxb7+
          • 2...Kb5
            • 3.Sd6+
              • 3...Ka5
                • 4.Qa7#

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