Problem Display
PID: 131720 (1n6/3pN3/p1p5/K1p5/2k4N/4R3/8/8 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Revista Romana de Sah, 1982

1n6/3pN3/p1p5/K1p5/2k4N/4R3/8/8

#3

4 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sf3?
      • 1...d5
        • 2.Sd2+
          • 2...Kd4
            • 3.Sf5#
        • 2.Se5+
          • 2...Kd4
            • 3.Sf5#
        • 2.Sc8
          • threat
            • 3.Sb6#
            • 3.Sd6#
      • 1...d6!
    • 1.Shf5?
      • threat
        • 2.Sc8
          • threat
            • 3.Sb6#
          • 2...Kd5
            • 3.Sb6#
      • 1...d5
        • 2.Sd6+
          • 2...Kd4
            • 3.Sef5#
        • 2.Sc8
          • threat
            • 3.Sb6#
            • 3.Scd6#
      • 1...d6!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Sf5
          • threat
            • 3.Sb6#
          • 2...Kd5
            • 3.Sb6#
        • 2.Sb6+
          • 2...Kd4
            • 3.Sf5#
      • 1...Kd4
        • 2.Sf5+
          • 2...Kc4
            • 3.Sb6#
          • 2...Kd5
            • 3.Sb6#
      • 1...Kd5
        • 2.Sf3
          • 2...Kc4
            • 3.Sb6#
          • 2...c4
            • 3.Re5#
          • 2...d6
            • 3.Sb6#
      • 1...d6
        • 2.Sb6+
          • 2...Kd4
            • 3.Sf5#
      • 1...d5
        • 2.Sf3
          • threat
            • 3.Sb6#
            • 3.Sd6#
        • 2.Sf5
          • threat
            • 3.Sb6#
            • 3.Scd6#
        • 2.Sb6+
          • 2...Kd4
            • 3.Sf5#
        • 2.Sd6+
          • 2...Kd4
            • 3.Shf5#

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).