Problem Display
PID: 194346 (B7/8/N6B/8/8/1p6/4p1K1/4k3 w - - 0 1)

Voronin, Vladimir

Sachmatija, 2019

B7/8/N6B/8/8/1p6/4p1K1/4k3

#5

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Bd5
          • threat
            • 3.Sd3+
              • 3...Kd1
                • 4.Bxb3#
          • 2...Kd1
            • 3.Bxb3+
              • 3...Ke1
                • 4.Sd3#
          • 2...b2
            • 3.Sd3+
              • 3...Kd1
                • 4.Bb3#
      • 1...Kd1
        • 2.Bf3
          • threat
            • 3.Kf2
              • 3...b2
                • 4.Bxe2#
          • 2...Ke1
            • 3.Bd5
              • threat
                • 4.Sd3+
                  • 4...Kd1
                    • 5.Bxb3#
              • 3...Kd1
                • 4.Bxb3+
                  • 4...Ke1
                    • 5.Sd3#
              • 3...b2
                • 4.Sd3+
                  • 4...Kd1
                    • 5.Bb3#
      • 1...b2
        • 2.Be4
          • threat
            • 3.Bc2
              • threat
                • 4.Sd3#
          • 2...b1Q
            • 3.Bxb1
              • 3...Kd1
                • 4.Bc2+
                  • 4...Ke1
                    • 5.Sd3#
          • 2...b1B
            • 3.Bxb1
              • 3...Kd1
                • 4.Bc2+
                  • 4...Ke1
                    • 5.Sd3#
          • 2...b1R
            • 3.Bxb1
              • 3...Kd1
                • 4.Bc2+
                  • 4...Ke1
                    • 5.Sd3#

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).