Problem Display
PID: 256192 (1r1b4/4r2p/1p3N1K/4kPP1/1Q6/5B2/2b1n3/2n1B3 w - - 0 1)

Ivanov, Albert Fedorovich

Moldovyany, Nikolai

8th Place, 08. USSR Championship, 1972

1r1b4/4r2p/1p3N1K/4kPP1/1Q6/5B2/2b1n3/2n1B3

#4

7 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bf2!
      • threat
        • 2.Qd4+
          • 2...Sxd4
            • 3.Bg3+
              • 3...Kxf5
                • 4.Bg4#
      • 1...Kxf5
        • 2.Bg4+
          • 2...Ke5
            • 3.Qd4+
              • 3...Sxd4
                • 4.Bg3#
      • 1...Bxf5
        • 2.Qd4+
          • 2...Sxd4
            • 3.Bg3+
              • 3...Ke6
                • 4.Bd5#
      • 1...Be4
        • 2.Qxe4+
          • 2...Kd6
            • 3.Qd5+
              • 3...Kc7
                • 4.Qc6#
      • 1...Bd1
        • 2.Qe4+
          • 2...Kd6
            • 3.Qd5+
              • 3...Kc7
                • 4.Qc6#
      • 1...Sb3
        • 2.Bxe2
          • threat
            • 3.Bg3+
              • 3...Kxf5
                • 4.Bg4#
                • 4.Qg4#
          • 2...Kxf5
            • 3.Bg4+
              • 3...Ke5
                • 4.Bg3#
            • 3.Qg4+
              • 3...Ke5
                • 4.Bg3#
          • 2...Bxf5
            • 3.Bg3+
              • 3...Ke6
                • 4.Bc4#
                • 4.Qxb3#
                • 4.Qc4#
          • 2...Be4
            • 3.Bg3+
              • 3...Kxf5
                • 4.Bg4#
          • 2...Sd4
            • 3.Bg3+
              • 3...Kxf5
                • 4.Bg4#
            • 3.Qxd4+
              • 3...Kxf5
                • 4.Bg4#
          • 2...Re6
            • 3.Bg3+
              • 3...Kxf5
                • 4.Bg4#
                • 4.Qf4#
                • 4.Qg4#
          • 2...Bd1
            • 3.Bg3+
              • 3...Kxf5
                • 4.Qg4#
            • 3.Bd3
              • threat
                • 4.Bg3#
      • 1...Sd3
        • 2.Qe4+
          • 2...Kd6
            • 3.Qd5+
              • 3...Kc7
                • 4.Qc6#

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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).