Problem Display
PID: 119446 (4k3/K2pP3/p7/4Q1N1/4b2p/5pp1/4nrN1/4R2r w - - 0 1)

Gorbatenko, Yuri Grigorevich

Kopnin, Aleksey Grigorevich

64 Shakhmatnoe obozrenie, 1982

4k3/K2pP3/p7/4Q1N1/4b2p/5pp1/4nrN1/4R2r

#3

6 + 10


6490 yacpdb 2009

SOLUTION


  • COOKED
  • Sets
    • 1...d5
      • 2.Qd6
        • threat
          • 3.Qd8#
      • 2.Qc7
        • threat
          • 3.Qd8#
    • 1...d6
      • 2.Qxd6
        • threat
          • 3.Qd8#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Sd6#
      • 1...d6
        • 2.Qe6
          • threat
            • 3.Sxd6#
            • 3.Sf6#
      • 1...d5!
    • 1.Qf6?
      • threat
        • 2.Qf7#
        • 2.Qf8#
      • 1...d5
        • 2.Qd6
          • threat
            • 3.Qd8#
      • 1...d6
        • 2.Qxd6
          • threat
            • 3.Qd8#
        • 2.Qf7+
          • 2...Kd7
            • 3.e8Q#
      • 1...fxg2!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sg4
          • threat
            • 3.Sf6#
      • 1...d5
        • 2.Sg4
          • threat
            • 3.Sf6#
          • 2...Kd7
            • 3.e8Q#
        • 2.Qd6
          • threat
            • 3.Qd8#
        • 2.Qc7
          • threat
            • 3.Qd8#
      • 1...d6
        • 2.Qxd6
          • threat
            • 3.Qd8#
      • 1...Bd5
        • 2.Sxd5
          • threat
            • 3.Sf6#
            • 3.Sc7#
            • 3.Qb8#
            • 3.Qh8#
        • 2.Qb8+
          • 2...Kxe7
            • 3.Sxd5#
      • 1...Bf5
        • 2.Sd5
          • threat
            • 3.Sf6#
            • 3.Sc7#
            • 3.Qb8#
            • 3.Qh8#
        • 2.Qb8+
          • 2...Kxe7
            • 3.Sd5#
        • 2.Qh8+
          • 2...Kxe7
            • 3.Sxf5#
      • 1...Sc3
        • 2.Qh8+
          • 2...Kxe7
            • 3.Sf5#
      • 1...Sd4
        • 2.Qb8+
          • 2...Kxe7
            • 3.Sd5#
      • 1...Sf4
        • 2.Qh8+
          • 2...Kxe7
            • 3.Sf5#
    • 1.Sf7!
      • threat
        • 2.Sd6#
      • 1...d5
        • 2.Qe6
          • threat
            • 3.Sd6#
      • 1...d6
        • 2.Qe6
          • threat
            • 3.Sxd6#
          • 2...d5
            • 3.Sd6#

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).