Problem Display
PID: 97741 (8/2Q5/8/3kB3/2Np2p1/8/K7/8 w - - 0 1)

Enriquez, R

Problemas, 1958

8/2Q5/8/3kB3/2Np2p1/8/K7/8

#3

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Bg3
          • threat
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
        • 2.Bf4
          • threat
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
      • 1...Ke6
        • 2.Bf4
          • threat
            • 3.Qf7#
          • 2...Kd5
            • 3.Qc4#
          • 2...Kf6
            • 3.Qf7#
      • 1...d3
        • 2.Bf4
          • threat
            • 3.Qc4#
          • 2...Kd4
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
      • 1...g3
        • 2.Bxg3
          • threat
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
        • 2.Bf4
          • threat
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
      • 1...Kxe5!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sd6
          • threat
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#
      • 1...Ke4
        • 2.Sd2+
          • 2...Kd3
            • 3.Qc4#
          • 2...Kd5
            • 3.Qd6#
            • 3.Qc4#
          • 2...Kf5
            • 3.Qf7#
      • 1...Ke6
        • 2.Sd6
          • threat
            • 3.Qf7#
          • 2...Kd5
            • 3.Qc4#
          • 2...Kf6
            • 3.Qf7#
      • 1...d3
        • 2.Sd6
          • threat
            • 3.Qc4#
          • 2...Kd4
            • 3.Qc4#
          • 2...Ke6
            • 3.Qf7#

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).