Problem Display
PID: 119454 (2n4K/5B2/5p2/5kp1/2pp1NN1/2bb4/7Q/8 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

64 Shakhmatnoe obozrenie, 1987

2n4K/5B2/5p2/5kp1/2pp1NN1/2bb4/7Q/8

#3

5 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Be4
      • 2.Be6#
    • 1...gxf4
      • 2.Qh5+
        • 2...Ke4
          • 3.Bd5#
          • 3.Qd5#
  • Tries
    • 1.Sh6+?
      • 1...Ke5
        • 2.Sxd3+
          • 2...Ke4
            • 3.Qe2#
      • 1...Ke4!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qg2
          • threat
            • 3.Sh6#
            • 3.Qf3#
      • 1...Ke4
        • 2.Qh1+
          • 2...Kf5
            • 3.Sh6#
            • 3.Qf3#
        • 2.Qg2+
          • 2...Kf5
            • 3.Sh6#
            • 3.Qf3#
        • 2.Qh3
          • threat
            • 3.Sf2#
            • 3.Sxf6#
          • 2...Kf5
            • 3.Qf3#
      • 1...Kxg4
        • 2.Qg2+
          • 2...Kf5
            • 3.Qf3#
          • 2...Kh5
            • 3.Qh3#
      • 1...Bd2
        • 2.Qg2
          • threat
            • 3.Sh6#
      • 1...Bf1
        • 2.Sxf6
          • threat
            • 3.Qe5#
            • 3.Qf2#
          • 2...Kxf6
            • 3.Qf2#
      • 1...Be2
        • 2.Sh6+
          • 2...Ke4
            • 3.Qxe2#
        • 2.Qxe2
          • threat
            • 3.Sh6#
            • 3.Qf3#
            • 3.Qe6#
        • 2.Qg2
          • threat
            • 3.Sh6#
          • 2...Bxg4
            • 3.Qd5#
          • 2...Bf3
            • 3.Qxf3#
      • 1...Sd6
        • 2.Se7+
          • 2...Ke4
            • 3.Bd5#
          • 2...Kxg4
            • 3.Bh5#
      • 1...Se7
        • 2.Sxe7+
          • 2...Ke4
            • 3.Bd5#
          • 2...Kxg4
            • 3.Bh5#

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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).