Problem Display
PID: 57007 (4K3/3B4/ppPQNR1n/2ppp1pr/2rNkpPn/1P6/b2PPbq1/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Probleemblad, 2005

4K3/3B4/ppPQNR1n/2ppp1pr/2rNkpPn/1P6/b2PPbq1/8

#4

11 + 15


SOLUTION


  • SOUND
  • Keys
    • 1.c7!
      • threat
        • 2.Qxd5+
          • 2...Kxd5
            • 3.Bc6+
              • 3...Kd6
                • 4.c8S#
      • 1...Rxd4
        • 2.Sxc5+
          • 2...bxc5
            • 3.Qxe5+
              • 3...Kxe5
                • 4.Re6#
      • 1...Bxd4
        • 2.Sxg5+
          • 2...Rxg5
            • 3.Qxd5+
              • 3...Kxd5
                • 4.Bc6#
      • 1...cxd4
        • 2.Sc5+
          • 2...Rxc5
            • 3.Qxe5+
              • 3...Kxe5
                • 4.Re6#
          • 2...bxc5
            • 3.Qxe5+
              • 3...Kxe5
                • 4.Re6#
            • 3.Qxd5+
              • 3...Kxd5
                • 4.Bc6#
            • 3.Bc6
              • threat
                • 4.Bxd5#
                • 4.Qxd5#
            • 3.Be6
              • threat
                • 4.Bxd5#
                • 4.Qxd5#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).