Problem Display
PID: 129457 (B7/1N3Q2/2k2K2/n1p1P3/b2p4/8/8/8 w - - 0 1)

Strycek, Oskar

Sachove umeni (Ceskoslovensky sach), 1970

B7/1N3Q2/2k2K2/n1p1P3/b2p4/8/8/8

#3

5 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sxb7
      • 2.Qxb7#
  • Tries
    • 1.Sd6+?
      • 1...Sb7
        • 2.Qxb7#
      • 1...Kb6!
    • 1.Qe6+?
      • 1...Kc7
        • 2.Qd6+
          • 2...Kc8
            • 3.Qd8#
      • 1...Kb5!
    • 1.Qc7+?
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka6
            • 3.Qxa5#
      • 1...Kd5
        • 2.Sxa5+
          • 2...Bc6
            • 3.Bxc6#
            • 3.Qxc6#
      • 1...Kxc7!
  • Keys
    • 1.Qd5+!
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka6
            • 3.Qxa5#
      • 1...Kxd5
        • 2.Sxa5+
          • 2...Bc6
            • 3.Bxc6#
      • 1...Kb6
        • 2.Qxc5+
          • 2...Ka6
            • 3.Qxa5#
      • 1...Kc7
        • 2.Qd6+
          • 2...Kc8
            • 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).