Problem Display
PID: 128321 (8/3pr3/4pb2/Q7/p1Pk1p2/8/K2P4/1B6 w - - 0 1)

Koudelka, Vladimir

Casopis ceskoslovenskych sachistu, 1926

8/3pr3/4pb2/Q7/p1Pk1p2/8/K2P4/1B6

#3

5 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Qd5#
  • Tries
    • 1.Qb6+?
      • 1...Ke5
        • 2.d4#
      • 1...Kxc4!
    • 1.Qa7+?
      • 1...Ke5
        • 2.Qc5+
          • 2...d5
            • 3.d4#
        • 2.d4+
          • 2...Kd6
            • 3.Qc5#
            • 3.Qb6#
      • 1...Kxc4!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qd6+
          • 2...Kxc4
            • 3.Bd3#
      • 1...Ke5
        • 2.Qc5+
          • 2...d5
            • 3.d4#
      • 1...Be5
        • 2.c5+
          • 2...Kd5
            • 3.Be4#
      • 1...d5
        • 2.c5+
          • 2...Ke5
            • 3.d4#
      • 1...d6
        • 2.Qxd6+
          • 2...Kxc4
            • 3.Bd3#

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).