Problem Display
PID: 173868 (7R/8/2bP4/8/8/5P2/4PK1p/2N4k w - - 0 1)

Borovik, Boris V

HM., Chess Life, 1990

7R/8/2bP4/8/8/5P2/4PK1p/2N4k

#4

6 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Ra8!
      • threat
        • 2.Ra1
          • threat
            • 3.Sa2#
            • 3.Sb3#
            • 3.Sd3#
      • 1...Bxf3
        • 2.Ra1
          • threat
            • 3.Sa2#
            • 3.Sb3#
            • 3.Sd3#
          • 2...Bg2
            • 3.Sa2+
              • 3...Bf1
                • 4.Rxf1#
            • 3.Sb3+
              • 3...Bf1
                • 4.Rxf1#
            • 3.Sd3+
              • 3...Bf1
                • 4.Rxf1#
      • 1...Bxa8
        • 2.e4
          • threat
            • 3.Se2
              • threat
                • 4.Sg3#
      • 1...Ba4
        • 2.Sb3
          • 2...Bxb3
            • 3.Ra1+
              • 3...Bd1
                • 4.Rxd1#
      • 1...Be4
        • 2.Sd3
          • threat
            • 3.Ra1#
          • 2...Bxd3
            • 3.Ra1+
              • 3...Bb1
                • 4.Rxb1#
          • 2...Bxa8
            • 3.Kf1
              • threat
                • 4.Sf2#
      • 1...Bd7
        • 2.Sd3
          • threat
            • 3.Ra1#
          • 2...Bh3
            • 3.Ra1+
              • 3...Bf1
                • 4.Rxf1#
          • 2...Ba4
            • 3.Kf1
              • threat
                • 4.Sf2#
        • 2.Ra1
          • threat
            • 3.Sa2#
            • 3.Sb3#
            • 3.Sd3#
          • 2...Bh3
            • 3.Sa2+
              • 3...Bf1
                • 4.Rxf1#
            • 3.Sb3+
              • 3...Bf1
                • 4.Rxf1#
            • 3.Sd3+
              • 3...Bf1
                • 4.Rxf1#

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