Problem Display
PID: 216947 (8/pQ1N2p1/8/p5p1/rnPk4/3p2Pp/n2p3K/3N4 w - - 0 1)

Chocolous, Jiri

Zlata Praha, 1891

8/pQ1N2p1/8/p5p1/rnPk4/3p2Pp/n2p3K/3N4

#4

6 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qb5!
      • 1...Ke4
        • 2.Qxg5
          • threat
            • 3.Qf4#
            • 3.Qg4#
          • 2...Kf3
            • 3.Qh5+
              • 3...Ke4
                • 4.Qg4#
      • 1...Ra3
        • 2.Qe5+
          • 2...Kxc4
            • 3.Se3+
              • 3...Kb3
                • 4.Sc5#
      • 1...Sc1
        • 2.Qc5+
          • 2...Ke4
            • 3.Sc3+
              • 3...Kf3
                • 4.Se5#
      • 1...Sc3
        • 2.Qc5+
          • 2...Ke4
            • 3.Sxc3+
              • 3...Kf3
                • 4.Se5#
      • 1...g4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5+
              • 3...Kf3
                • 4.Qe3#
            • 3.Qg5
              • threat
                • 4.Qf4#
                • 4.Qxg4#
              • 3...Kf3
                • 4.Qe3#
              • 3...Kd4
                • 4.Qf4#
                • 4.Qxg4#
              • 3...Sd5
                • 4.Qxd5#
      • 1...a6
        • 2.Qe5+
          • 2...Kxc4
            • 3.Sb6+
              • 3...Kb3
                • 4.Qb2#
      • 1...g6
        • 2.Qc5+
          • 2...Ke4
            • 3.Sf6+
              • 3...Kf3
                • 4.Qf2#
                • 4.Qe3#

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).