Problem Display
PID: 204960 (8/8/5B2/4K3/2Q4N/8/5k1P/8 w - - 0 1)

Surkov, Valery Albertovich

Phenix, 1995

8/8/5B2/4K3/2Q4N/8/5k1P/8

#3

5 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kg1
      • 2.Qe2
        • 2...Kh1
          • 3.Qg2#
  • Tries
    • 1.Kd4?
      • 1...Kg1
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Ke4?
      • 1...Kg1
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Kf4?
      • 1...Kg1
        • 2.Kg3
          • 2...Kh1
            • 3.Qf1#
            • 3.Qc1#
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Kd5?
      • 1...Kg1
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke3
        • 2.Qc2
          • 2...Kf4
            • 3.Qe4#
      • 1...Ke1!
    • 1.Bg5?
      • 1...Kg1
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qf1+?
      • 1...Ke3
        • 2.Bg5#
      • 1...Kxf1!
    • 1.Qe2+?
      • 1...Kg1
        • 2.Qg2#
      • 1...Kxe2!
    • 1.Qd3?
      • 1...Kg1
        • 2.Qe2
          • 2...Kh1
            • 3.Qg2#
        • 2.Qf3
          • 2...Kxh2
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qc2+?
      • 1...Kf1
        • 2.Qd2
          • 2...Kg1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qc3?
      • 1...Kf1
        • 2.Qd2
          • 2...Kg1
            • 3.Qg2#
      • 1...Kg1
        • 2.Qf3
          • 2...Kxh2
            • 3.Qg2#
      • 1...Ke2!
    • 1.Qe4?
      • 1...Kg1
        • 2.Qg2#
      • 1...Kf1!
  • Keys
    • 1.Sf3!
      • 1...Kg2
        • 2.Qe2+
          • 2...Kh1
            • 3.Qf1#
          • 2...Kh3
            • 3.Sg1#
      • 1...Ke3
        • 2.Bh4
          • 2...Kxf3
            • 3.Qe4#
      • 1...Kxf3
        • 2.Qf1+
          • 2...Ke3
            • 3.Bg5#
          • 2...Kg4
            • 3.Qf5#

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).