Problem Display
PID: 124014 (8/pp6/r1p1p3/2k1B3/b1P5/bp1K4/4P2p/4Q2n w - - 0 1)

Libis, Zdenek

Thema Danicum, 1983

8/pp6/r1p1p3/2k1B3/b1P5/bp1K4/4P2p/4Q2n

#3

5 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf2+
      • 2.Qxf2+
        • 2...Kb4
          • 3.Bc3#
    • 1...Sg3
      • 2.Qf2+
        • 2...Kb4
          • 3.Bc3#
  • Tries
    • 1.Qf2+?
      • 1...Kb4
        • 2.Bc3#
      • 1...Sxf2+!
    • 1.Qa5+?
      • 1...Bb5
        • 2.Bd4+
          • 2...Kd6
            • 3.Qd8#
      • 1...b5
        • 2.Bd4+
          • 2...Kd6
            • 3.Qd8#
      • 1...Rxa5!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Bd4+
          • 2...Kb4
            • 3.Qe1#
          • 2...Kd6
            • 3.Qd8#
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...Sf2+
        • 2.Qxf2+
          • 2...Kb4
            • 3.Bc3#
      • 1...Kb4
        • 2.Bc3+
          • 2...Kc5
            • 3.Qd4#
      • 1...Kb6
        • 2.Qd8+
          • 2...Kc5
            • 3.Bd6#
      • 1...Ra5
        • 2.Bd4+
          • 2...Kb4
            • 3.Qe1#
          • 2...Kd6
            • 3.Qd8#
      • 1...Bc1
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...Bb2
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...Bb5
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...Sg3
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...b2
        • 2.Qe7+
          • 2...Kb6
            • 3.Bc7#
      • 1...b5
        • 2.Bd4+
          • 2...Kb4
            • 3.Qe1#
          • 2...Kd6
            • 3.Qd8#

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).