Problem Display
PID: 87393 (8/8/2P5/8/1Np1k3/7K/8/4N1Q1 w - - 0 1)

Vovan, Nguyen

Kudesnik, 1997

8/8/2P5/8/1Np1k3/7K/8/4N1Q1

#3

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kg4?
      • threat
        • 2.Sf3
          • 2...c3
            • 3.Qd4#
            • 3.Qe1#
      • 1...c3
        • 2.Sf3
          • 2...c2
            • 3.Qd4#
            • 3.Qe1#
      • 1...Ke5!
    • 1.Qf2?
      • 1...c3
        • 2.Sed3
          • 2...c2
            • 3.Qf4#
      • 1...Ke5!
    • 1.Qg5?
      • threat
        • 2.Sg2
          • threat
            • 3.Qf4#
            • 3.Qd5#
          • 2...Kf3
            • 3.Qe3#
          • 2...Kd4
            • 3.Qe3#
      • 1...c3
        • 2.Sec2
          • 2...Kf3
            • 3.Qe3#
        • 2.Sg2
          • threat
            • 3.Qf4#
            • 3.Qd5#
          • 2...Kf3
            • 3.Qe3#
          • 2...Kd4
            • 3.Qd5#
      • 1...Kd4!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Sg2
          • threat
            • 3.Qd5#
          • 2...Kf3
            • 3.Qe3#
      • 1...Kf4
        • 2.Sg2+
          • 2...Kf3
            • 3.Qe3#
          • 2...Ke4
            • 3.Qd5#

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).