Problem Display
PID: 127841 (4N1K1/k2p4/1pP5/4Q3/8/8/8/8 w - - 0 1)

Fritz, Jindrich

Sachove umeni (Ceskoslovensky sach), 1938

4N1K1/k2p4/1pP5/4Q3/8/8/8/8

#3

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qc7+?
      • 1...Ka8
        • 2.Qb7#
      • 1...Ka6!
    • 1.Qa5+?
      • 1...Kb8
        • 2.Qxb6+
          • 2...Ka8
            • 3.Sc7#
            • 3.Qb7#
          • 2...Kc8
            • 3.Sd6#
            • 3.Qc7#
      • 1...bxa5!
    • 1.c7?
      • threat
        • 2.c8Q
          • threat
            • 3.Qa1#
            • 3.Qec7#
            • 3.Qeb8#
      • 1...Ka6
        • 2.c8Q+
          • 2...Ka7
            • 3.Qa1#
            • 3.Qec7#
            • 3.Qeb8#
      • 1...Kb7
        • 2.c8Q+
          • 2...Ka7
            • 3.Qa1#
            • 3.Qec7#
            • 3.Qeb8#
          • 2...Kxc8
            • 3.Qc7#
      • 1...Ka8
        • 2.Sd6
          • threat
            • 3.Qa1#
          • 2...Ka7
            • 3.Qa1#
        • 2.c8Q+
          • 2...Ka7
            • 3.Qa1#
            • 3.Qec7#
            • 3.Qeb8#
      • 1...b5
        • 2.c8Q
          • threat
            • 3.Qd4#
            • 3.Qec7#
            • 3.Qeb8#
            • 3.Qe3#
            • 3.Qec5#
          • 2...Kb6
            • 3.Qec7#
      • 1...d5
        • 2.c8Q
          • threat
            • 3.Qa1#
            • 3.Qec7#
            • 3.Qg7#
            • 3.Qeb8#
            • 3.Qe7#
      • 1...d6!
  • Keys
    • 1.Sd6!
      • 1...Ka8
        • 2.c7
          • threat
            • 3.Qa1#
          • 2...Ka7
            • 3.Qa1#
      • 1...Kb8
        • 2.Sb5+
          • 2...Ka8
            • 3.Qe8#
          • 2...Kc8
            • 3.Qc7#
            • 3.Qe8#
          • 2...d6
            • 3.Qe8#
      • 1...dxc6
        • 2.Qg7+
          • 2...Ka6
            • 3.Qa1#
          • 2...Ka8
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
      • 1...b5
        • 2.Qxb5
          • threat
            • 3.Qb7#
          • 2...Ka8
            • 3.Qb7#

FEATURES


NOT CLASSIFIED


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).