Problem Display
PID: 122889 (8/8/3P3R/2PkP3/3B4/4K3/2Q5/8 w - - 0 1)

Palkoska, Emil

Deutsches Wochenschach, 1904

8/8/3P3R/2PkP3/3B4/4K3/2Q5/8

#3

7 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kf4?
      • threat
        • 2.d7
          • 2...Kxd4
            • 3.Rd6#
            • 3.d8Q#
            • 3.d8R#
      • 1...Kxd4
        • 2.d7
          • 2...Kd5
            • 3.Rd6#
            • 3.d8Q#
            • 3.d8R#
      • 1...Kc6!
    • 1.Rh7?
      • threat
        • 2.Qb3+
          • 2...Kc6
            • 3.Rc7#
            • 3.Qb7#
      • 1...Ke6
        • 2.Rc7
          • 2...Kd5
            • 3.Qb3#
            • 3.Qa2#
      • 1...Kc6!
    • 1.Qb1?
      • 1...Kc4
        • 2.c6
          • 2...Kd5
            • 3.Qb5#
        • 2.d7
          • 2...Kd5
            • 3.Qa2#
            • 3.Qb3#
      • 1...Kc6!
    • 1.Qb2?
      • 1...Kc4
        • 2.c6
          • 2...Kd5
            • 3.Qb5#
        • 2.d7
          • 2...Kd5
            • 3.Qa2#
            • 3.Qb3#
      • 1...Kc6!
    • 1.Qc4+?
      • 1...Kc6
        • 2.Rh8
          • 2...Kb7
            • 3.c6#
          • 2...Kd7
            • 3.c6#
      • 1...Kxc4!
  • Keys
    • 1.Rh8!
      • 1...Kc6
        • 2.Qc4
          • 2...Kb7
            • 3.c6#
          • 2...Kd7
            • 3.c6#
      • 1...Ke6
        • 2.Qe4
          • 2...Kd7
            • 3.e6#
          • 2...Kf7
            • 3.e6#

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).