Problem Display
PID: 142931 (8/2p5/2p2Q1p/8/4k1p1/K1R3p1/8/8 w - - 0 1)

Kosek, Wojtech

Casopis ceskoslovenskych sachistu, 1906

8/2p5/2p2Q1p/8/4k1p1/K1R3p1/8/8

#4

3 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Qe6+!
      • 1...Kd4
        • 2.Kb2
          • threat
            • 3.Kc2
              • threat
                • 4.Rc4#
          • 2...c5
            • 3.Kc2
              • threat
                • 4.Rd3#
                • 4.Rc4#
              • 3...c4
                • 4.Rxc4#
            • 3.Re3
              • threat
                • 4.Qe4#
              • 3...c4
                • 4.Qe5#
        • 2.Kb3
          • threat
            • 3.Qe3+
              • 3...Kd5
                • 4.Rd3#
            • 3.Kc2
              • threat
                • 4.Rc4#
            • 3.Qf5
              • threat
                • 4.Rd3#
          • 2...c5
            • 3.Kc2
              • threat
                • 4.Rd3#
                • 4.Rc4#
              • 3...c4
                • 4.Rxc4#
      • 1...Kf4
        • 2.Re3
          • threat
            • 3.Qe5#
          • 2...Kg5
            • 3.Re5+
              • 3...Kf4
                • 4.Rf5#
                • 4.Qf5#
                • 4.Qf6#
              • 3...Kh4
                • 4.Qxh6#

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).