Problem Display
PID: 129561 (2K5/8/8/4p3/2p5/2P1pQ2/1N6/4kN2 w - - 0 1)

Voloshin, G

Chervoni Girnik, 1979

2K5/8/8/4p3/2p5/2P1pQ2/1N6/4kN2

#3

5 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sg3?
      • threat
        • 2.Qe2#
        • 2.Qxe3#
      • 1...e2
        • 2.Qxe2#
      • 1...Kd2!
    • 1.Sxc4?
      • threat
        • 2.Sfxe3
          • 2...e4
            • 3.Sc2#
            • 3.Sg2#
            • 3.Qf1#
        • 2.Sg3
          • threat
            • 3.Qe2#
            • 3.Qf1#
          • 2...e2
            • 3.Qxe2#
        • 2.Scxe3
          • 2...e4
            • 3.Sc2#
            • 3.Sg2#
      • 1...e2
        • 2.Sfe3
          • 2...e4
            • 3.Qg3#
      • 1...e4!
    • 1.Qg2?
      • threat
        • 2.Sxe3
          • 2...e4
            • 3.Sc2#
        • 2.Sg3
          • threat
            • 3.Qe2#
          • 2...e2
            • 3.Qxe2#
      • 1...e4
        • 2.Sg3
          • 2...e2
            • 3.Qxe2#
      • 1...e2!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Sdxe3
          • 2...e4
            • 3.Sc2#
            • 3.Sg2#
        • 2.Qxe3+
          • 2...Kxd1
            • 3.Qd2#
          • 2...Kxf1
            • 3.Qf2#
      • 1...e2
        • 2.Qe4
          • 2...Kxd1
            • 3.Qb1#
          • 2...Kxf1
            • 3.Qh1#
      • 1...e4
        • 2.Qxe3+
          • 2...Kxd1
            • 3.Qd2#
          • 2...Kxf1
            • 3.Qf2#

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).