Problem Display
PID: 125558 (8/8/2p5/2pN4/3p2r1/5N2/4n2Q/1K1k4 w - - 0 1)

Gold, Samuel

Checkmate, 1902

8/8/2p5/2pN4/3p2r1/5N2/4n2Q/1K1k4

#3

4 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qc2#
      • 2.Qd2#
    • 1...Sg1
      • 2.Qc2#
      • 2.Qd2#
    • 1...Sc3+
      • 2.Sxc3+
        • 2...dxc3
          • 3.Qc2#
    • 1...Sg3
      • 2.Qc2#
      • 2.Qd2#
    • 1...Sf4
      • 2.Qc2#
      • 2.Qd2#
    • 1...d3
      • 2.Se3#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Qe1#
        • 2.Qf1#
      • 1...Sc3+
        • 2.Sxc3+
          • 2...dxc3
            • 3.Qe1#
            • 3.Qf1#
            • 3.Qc2#
      • 1...Rg1!
    • 1.Qg2?
      • threat
        • 2.Qf1#
      • 1...Sc3+
        • 2.Sxc3+
          • 2...dxc3
            • 3.Qf1#
            • 3.Qc2#
      • 1...Rxg2!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qf1#
      • 1...Sc3+
        • 2.Sxc3+
          • 2...dxc3
            • 3.Qf1#
      • 1...Sg3
        • 2.Qg2
          • threat
            • 3.Qc2#
            • 3.Qd2#
          • 2...Se2
            • 3.Qf1#
      • 1...Rg1
        • 2.Qd7
          • threat
            • 3.Se3#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...cxd5
            • 3.Qa4#
          • 2...Sc1
            • 3.Sc3#
          • 2...Sg3
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
      • 1...Rg2
        • 2.Qd7
          • threat
            • 3.Se3#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...cxd5
            • 3.Qa4#
          • 2...Sc1
            • 3.Sc3#
          • 2...Sg1
            • 3.Sc3#
          • 2...Sg3
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#

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).