Problem Display
PID: 215241 (KQ1b4/6p1/6P1/p2p2p1/2Pkp3/p7/p2B2pP/r2N2r1 w - - 0 1)

Chocolous, Jiri

Detroit Free Press, 1881

KQ1b4/6p1/6P1/p2p2p1/2Pkp3/p7/p2B2pP/r2N2r1

#4

7 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qxd5+
          • 2...Kc2
            • 3.Se3+
              • 3...Kb1
                • 4.Qb5#
              • 3...Kb2
                • 4.Qb5#
              • 3...Kb3
                • 4.Qb5#
          • 2...Ke2
            • 3.Sc3+
              • 3...Kf1
                • 4.Qf5#
              • 3...Kf2
                • 4.Qf5#
              • 3...Kf3
                • 4.Qf5#
      • 1...Ke5
        • 2.Qxd5+
          • 2...Kf6
            • 3.Qd6+
              • 3...Kf5
                • 4.Se3#
      • 1...dxc4
        • 2.Qd7+
          • 2...Kc5
            • 3.Sc3
              • threat
                • 4.Sa4#
              • 3...Kb4
                • 4.Qb5#
              • 3...Kb6
                • 4.Qd6#
              • 3...a4
                • 4.Sxa4#
          • 2...Ke5
            • 3.Se3
              • threat
                • 4.Sg4#
              • 3...Kf4
                • 4.Qf5#
              • 3...Kf6
                • 4.Qd6#
              • 3...g4
                • 4.Sxg4#

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).