Problem Display
PID: 255472 (7r/5q1n/bp1PpPp1/P1p1PP2/N3P1N1/pPPk2Kp/R7/7B w - - 0 1)

Muller, Dieter

Schach, 1971

7r/5q1n/bp1PpPp1/P1p1PP2/N3P1N1/pPPk2Kp/R7/7B

#4

13 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.axb6!
      • threat
        • 2.Sf2+
          • 2...Ke3
            • 3.Sd1+
              • 3...Kd3
                • 4.Sxc5#
      • 1...Qc7
        • 2.Kf4
          • threat
            • 3.Sf2#
          • 2...g5+
            • 3.Kf3
              • threat
                • 4.Sf2#
      • 1...Rc8
        • 2.Kf3
          • threat
            • 3.Sf2#
          • 2...Sg5+
            • 3.Kf4
              • threat
                • 4.Sf2#
              • 3...Sxe4
                • 4.Bxe4#
      • 1...Bb7
        • 2.Sf2+
          • 2...Ke3
            • 3.Sd1+
              • 3...Kd3
                • 4.Sxc5#
            • 3.Sxc5
              • threat
                • 4.Sd1#
                • 4.Sg4#
        • 2.Bf3
          • threat
            • 3.Sf2+
              • 3...Ke3
                • 4.Re2#
            • 3.Re2
              • threat
                • 4.Sf2#
      • 1...Bc8
        • 2.Sf2+
          • 2...Ke3
            • 3.Sd1+
              • 3...Kd3
                • 4.Sxc5#
            • 3.Sxc5
              • threat
                • 4.Sd1#
                • 4.Sg4#
        • 2.Bf3
          • threat
            • 3.Sf2+
              • 3...Ke3
                • 4.Re2#
            • 3.Re2
              • threat
                • 4.Sf2#
      • 1...c4
        • 2.Sf2+
          • 2...Ke3
            • 3.Sd1+
              • 3...Kd3
                • 4.Sc5#
            • 3.Sc5
              • threat
                • 4.Sd1#
                • 4.Sg4#

FEATURES


NOT CLASSIFIED


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).