Problem Display
PID: 83291 (8/2R5/4N3/K3k3/8/R3N3/5P2/8 w - - 0 1)

Havel, Miroslav

Sachove umeni (Ceskoslovensky sach), 1946

8/2R5/4N3/K3k3/8/R3N3/5P2/8

#4

6 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Ra2!
      • 1...Ke4
        • 2.Rc5
          • 2...Kd3
            • 3.f3
              • 3...Kxe3
                • 4.Rc3#
          • 2...Kf3
            • 3.Sg5+
              • 3...Kf4
                • 4.Ra4#
                • 4.Rf5#
      • 1...Kd6
        • 2.f4
          • 2...Kxe6
            • 3.Rac2
              • threat
                • 4.R2c6#
              • 3...Kd6
                • 4.R2c6#
              • 3...Kf6
                • 4.R2c6#
            • 3.Rd2
              • 3...Kf6
                • 4.Rd6#
      • 1...Kxe6
        • 2.f4
          • threat
            • 3.Rac2
              • threat
                • 4.R2c6#
              • 3...Kd6
                • 4.R2c6#
              • 3...Kf6
                • 4.R2c6#
            • 3.Rd2
              • 3...Kf6
                • 4.Rd6#
          • 2...Kd6
            • 3.Rac2
              • 3...Ke6
                • 4.R2c6#
          • 2...Kf6
            • 3.Rg2
              • 3...Ke6
                • 4.Rg6#
      • 1...Kf6
        • 2.f4
          • threat
            • 3.Rg2
              • 3...Kxe6
                • 4.Rg6#
          • 2...Kxe6
            • 3.Rac2
              • threat
                • 4.R2c6#
              • 3...Kd6
                • 4.R2c6#
              • 3...Kf6
                • 4.R2c6#
            • 3.Rd2
              • 3...Kf6
                • 4.Rd6#
          • 2...Kg6
            • 3.Rh2
              • 3...Kf6
                • 4.Rh6#

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).