Problem Display
PID: 37360 (4nB1k/5K2/6P1/8/2p5/8/3p4/8 w - - 0 1)

ten Cate, Pieter

Nederland in Miniatuur, 1972

4nB1k/5K2/6P1/8/2p5/8/3p4/8

#4

3 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Bb4!
      • threat
        • 2.Bc3+
          • 2...Sf6
            • 3.Bxf6#
          • 2...Sg7
            • 3.Bxg7#
      • 1...d1Q
        • 2.Bc3+
          • 2...Qd4
            • 3.Bxd4+
              • 3...Sf6
                • 4.Bxf6#
              • 3...Sg7
                • 4.Bxg7#
      • 1...d1S
        • 2.Bc5
          • threat
            • 3.Bd4+
              • 3...Sf6
                • 4.Bxf6#
              • 3...Sg7
                • 4.Bxg7#
          • 2...Sd6+
            • 3.Bxd6
              • threat
                • 4.Be5#
          • 2...Sf6
            • 3.Bd4
              • threat
                • 4.Bxf6#
          • 2...Sg7
            • 3.Bd4
              • threat
                • 4.Bxg7#
      • 1...d1R
        • 2.Bc3+
          • 2...Rd4
            • 3.Bxd4+
              • 3...Sf6
                • 4.Bxf6#
              • 3...Sg7
                • 4.Bxg7#

FEATURES


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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).