Problem Display
PID: 254077 (4K3/N1b2pN1/Pn1p1p2/1p1k4/p2P1Pp1/3QB2p/6P1/8 w - - 0 1)

Apel, Paul

3rd Prize, Schach, 1961

4K3/N1b2pN1/Pn1p1p2/1p1k4/p2P1Pp1/3QB2p/6P1/8

#3

9 + 10


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Sc4
      • 2.Sc6
        • threat
          • 3.Sb4#
          • 3.Se7#
        • 2...Kxc6
          • 3.d5#
    • 1...Sd7
      • 2.Sc6
        • threat
          • 3.Sb4#
          • 3.Se7#
        • 2...Kxc6
          • 3.d5#
    • 1...Sa8
      • 2.Sc6
        • threat
          • 3.Sb4#
          • 3.Se7#
        • 2...Kxc6
          • 3.d5#
      • 2.Qc2
        • threat
          • 3.Qc6#
    • 1...hxg2
      • 2.Qc2
        • threat
          • 3.Qc6#
        • 2...Sc4
          • 3.Qxg2#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Sb4#
        • 2.Se7#
      • 1...Bd8
        • 2.Sb4#
      • 1...Sc8
        • 2.Sb4#
      • 1...b4
        • 2.Sxb4#
        • 2.Se7#
      • 1...Kxc6!
    • 1.Bf2?
      • threat
        • 2.Qxb5+
          • 2...Ke4
            • 3.Qf5#
      • 1...Sc4
        • 2.Sc6
          • threat
            • 3.Sb4#
            • 3.Se7#
          • 2...Kxc6
            • 3.d5#
      • 1...Sd7
        • 2.Sc6
          • threat
            • 3.Sb4#
            • 3.Se7#
          • 2...Kxc6
            • 3.d5#
      • 1...b4
        • 2.Qb5+
          • 2...Ke4
            • 3.Qf5#
      • 1...f5
        • 2.Qxb5+
          • 2...Ke4
            • 3.Qxf5#
      • 1...hxg2!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Qxb5+
          • 2...Ke4
            • 3.Qf5#
      • 1...hxg2
        • 2.Qc2
          • threat
            • 3.Qc6#
          • 2...Sc4
            • 3.Qxg2#
      • 1...Sc4
        • 2.Sc6
          • threat
            • 3.Sb4#
            • 3.Se7#
          • 2...Kxc6
            • 3.d5#
      • 1...Sd7
        • 2.Sc6
          • threat
            • 3.Sb4#
            • 3.Se7#
          • 2...Kxc6
            • 3.d5#
      • 1...b4
        • 2.Qb5+
          • 2...Ke4
            • 3.Qf5#
      • 1...f5
        • 2.Qxb5+
          • 2...Ke4
            • 3.Qxf5#

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).