Problem Display
PID: 124828 (8/4N2p/Npp2pbr/p6p/3Pk1p1/p7/8/n1BQ2K1 w - - 0 1)

Knotek, Ladislav

Revue FIDE, 1954

8/4N2p/Npp2pbr/p6p/3Pk1p1/p7/8/n1BQ2K1

#3

6 + 12


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...a2
      • 2.Qe2+
        • 2...Kxd4
          • 3.Bb2#
    • 1...a4
      • 2.Sb4
        • threat
          • 3.Qd3#
    • 1...b5
      • 2.Sc5#
  • Tries
    • 1.Qd2?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
        • 2.Qg2#
      • 1...Sc2!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sc8
          • threat
            • 3.Sd6#
          • 2...Kf5
            • 3.Sd6#
            • 3.Qd3#
      • 1...Bf7
        • 2.Sf5
          • threat
            • 3.Sg3#
            • 3.Sd6#
          • 2...Kxf5
            • 3.Qd3#
      • 1...Bf5
        • 2.Se8
          • threat
            • 3.Sd6#
        • 2.Sxf5
          • threat
            • 3.Sg3#
            • 3.Sd6#
          • 2...Kxf5
            • 3.Qd3#
      • 1...Be8
        • 2.Sf5
          • threat
            • 3.Sg3#
            • 3.Sd6#
          • 2...Kxf5
            • 3.Qd3#
      • 1...Sc2
        • 2.Qxc2+
          • 2...Kf3
            • 3.Qg2#
          • 2...Kxd4
            • 3.Sxc6#
      • 1...Sb3
        • 2.Qc2+
          • 2...Kf3
            • 3.Qg2#
          • 2...Kxd4
            • 3.Sxc6#
      • 1...g3
        • 2.Sc8
          • threat
            • 3.Sd6#
          • 2...Kf5
            • 3.Sd6#
            • 3.Qf3#
      • 1...c5
        • 2.Sb5
          • threat
            • 3.Sc3#
            • 3.Sd6#
            • 3.Qe2#
        • 2.Scd5
          • threat
            • 3.Sc3#
            • 3.Sxf6#
          • 2...cxd4
            • 3.Qe2#
        • 2.Qe2+
          • 2...Kxd4
            • 3.Sb5#
      • 1...f5
        • 2.Se6
          • threat
            • 3.Sg5#
            • 3.Qe2#

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).