Problem Display
PID: 26714 (n2bk2r/1K1Npp1p/8/1Q6/5p2/8/8/4R3 w k - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Comm., Sachove umeni (Ceskoslovensky sach), 1964

n2bk2r/1K1Npp1p/8/1Q6/5p2/8/8/4R3

#4

4 + 8


2988 Izbrannie Kompozitsi 1985

SOLUTION


  • SOUND
  • Keys
    • 1.Rg1!
      • threat
        • 2.Sf6+
          • 2...Kf8
            • 3.Qe8#
      • 1...e5
        • 2.Sf6+
          • 2...Ke7
            • 3.Qxe5+
              • 3...Kf8
                • 4.Sd7#
                • 4.Qe8#
        • 2.Qxe5+
          • 2...Be7
            • 3.Re1
              • threat
                • 4.Qxe7#
              • 3...Kxd7
                • 4.Qxe7#
              • 3...Kd8
                • 4.Qxe7#
      • 1...e6
        • 2.Sf6+
          • 2...Ke7
            • 3.Qc5+
              • 3...Kxf6
                • 4.Qg5#
      • 1...f5
        • 2.Se5+
          • 2...Kf8
            • 3.Qd5
              • threat
                • 4.Qf7#
                • 4.Qxd8#
              • 3...Ke8
                • 4.Qf7#
      • 1...f6
        • 2.Qh5+
          • 2...Kxd7
            • 3.Rd1+
              • 3...Ke6
                • 4.Qd5#
      • 1...Sc7
        • 2.Sf6+
          • 2...Kf8
            • 3.Qe8+
              • 3...Sxe8
                • 4.Sd7#

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).