Problem Display
PID: 128861 (8/8/3p4/1N4p1/8/p6Q/pqPN2K1/k1B5 w - - 0 1)

Palkoska, Emil

Deutsche Schachblatter, 1940

8/8/3p4/1N4p1/8/p6Q/pqPN2K1/k1B5

#3

6 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Qc3
      • 2.Qxc3#
    • 1...Qd4
      • 2.Sb3+
        • 2...Kb1
          • 3.Sxa3#
      • 2.Sxd4
        • threat
          • 3.S4b3#
          • 3.Qc3#
    • 1...Qe5
      • 2.Sb3+
        • 2...Kb1
          • 3.Sxa3#
    • 1...Qf6
      • 2.Sb3+
        • 2...Kb1
          • 3.Sxa3#
    • 1...Qg7
      • 2.Sb3+
        • 2...Kb1
          • 3.Sxa3#
    • 1...Qh8
      • 2.Qxh8#
    • 1...Qb3
      • 2.Sxb3+
        • 2...Kb1
          • 3.Sxa3#
      • 2.Qxb3
        • threat
          • 3.Qc3#
      • 2.cxb3
        • threat
          • 3.Qc3#
          • 3.Qh8#
  • Tries
    • 1.Bxb2+?
      • 1...axb2
        • 2.Sb3+
          • 2...Kb1
            • 3.Sa3#
      • 1...Kxb2!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Sxa3
          • threat
            • 3.Sb3#
            • 3.Bxb2#
            • 3.Qxb2#
      • 1...Qxh8
        • 2.Sb3+
          • 2...Kb1
            • 3.Sxa3#
      • 1...d5
        • 2.Sd4
          • threat
            • 3.S4b3#
          • 2...Qxd4
            • 3.Qxd4#
          • 2...Qb3
            • 3.S4xb3#
      • 1...Qe5
        • 2.Sb3+
          • 2...Kb1
            • 3.Sxa3#
        • 2.Sxa3
          • threat
            • 3.Sb3#

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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).