Problem Display
PID: 88309 (8/8/8/Q1P2p1P/5pp1/4P2p/5N1k/5K2 w - - 0 1)

Chivu, Nicolae

Buletin Problemistic, 2000

8/8/8/Q1P2p1P/5pp1/4P2p/5N1k/5K2

#4

6 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sd1+
          • 2...Kh1
            • 3.Qf2
              • threat
                • 4.Qg1#
              • 3...h2
                • 4.Qg2#
        • 2.Sh1+
          • 2...Kxh1
            • 3.Qf2
              • threat
                • 4.Qg1#
              • 3...h2
                • 4.Qg2#
        • 2.Sd3+
          • 2...Kh1
            • 3.Qf2
              • threat
                • 4.Qg1#
              • 3...h2
                • 4.Qg2#
        • 2.Se4+
          • 2...Kh1
            • 3.Qf2
              • threat
                • 4.Qg1#
              • 3...h2
                • 4.Qg2#
      • 1...Kg3
        • 2.Se4+
          • 2...Kf3
            • 3.Sg5+
              • 3...Kg3
                • 4.Qf2#
          • 2...Kh4
            • 3.Qd8+
              • 3...Kxh5
                • 4.Qg5#
      • 1...fxe3
        • 2.Qxe3
          • threat
            • 3.Sxg4+
              • 3...Kh1
                • 4.Qg1#
                • 4.Qf3#
                • 4.Qxh3#
              • 3...fxg4
                • 4.Qg1#
            • 3.Sd1
              • threat
                • 4.Qg1#
              • 3...Kh1
                • 4.Qg1#
            • 3.Sh1
              • threat
                • 4.Qg1#
              • 3...Kxh1
                • 4.Qg1#
            • 3.Sd3
              • threat
                • 4.Qg1#
              • 3...Kh1
                • 4.Qg1#
            • 3.Se4
              • threat
                • 4.Qg1#
              • 3...Kh1
                • 4.Qg1#
          • 2...g3
            • 3.Sg4+
              • 3...Kh1
                • 4.Qg1#
              • 3...fxg4
                • 4.Qg1#
          • 2...f4
            • 3.Sxg4+
              • 3...Kh1
                • 4.Qg1#
                • 4.Qf3#
                • 4.Qxh3#
      • 1...f3
        • 2.Se4+
          • 2...f2
            • 3.Qxf2+
              • 3...Kh1
                • 4.Sg3#
                • 4.Qg1#
            • 3.Sg3
              • threat
                • 4.Qxf2#
              • 3...Kxg3
                • 4.Qxf2#
      • 1...g3
        • 2.Sg4+
          • 2...Kh1
            • 3.Qh2+
              • 3...gxh2
                • 4.Sf2#

FEATURES


NOT CLASSIFIED


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).