Problem Display
PID: 172652 (4b3/2Pk2K1/8/5PQ1/4N3/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1998

4b3/2Pk2K1/8/5PQ1/4N3/8/8/8

#3

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.c8Q+
          • 2...Ke7
            • 3.Qa3#
            • 3.Qg5#
            • 3.Q1c5#
            • 3.f6#
      • 1...Ke7
        • 2.Qc5+
          • 2...Kd7
            • 3.c8Q#
        • 2.c8Q
          • threat
            • 3.Qa3#
            • 3.Qg5#
            • 3.Q1c5#
            • 3.f6#
      • 1...Bh5
        • 2.c8Q+
          • 2...Ke7
            • 3.Qa3#
            • 3.Qg5#
            • 3.Q1c5#
            • 3.Q1c7#
            • 3.f6#
        • 2.c8R
          • threat
            • 3.Qc7#
          • 2...Ke7
            • 3.Qc7#
      • 1...Bg6
        • 2.c8Q+
          • 2...Ke7
            • 3.Qa3#
            • 3.Qg5#
            • 3.Q1c5#
            • 3.Q1c7#
            • 3.f6#
      • 1...Bf7
        • 2.c8Q+
          • 2...Ke7
            • 3.Qa3#
            • 3.Qg5#
            • 3.Q1c5#
            • 3.Q1c7#
            • 3.f6#
      • 1...Kc8!
  • Keys
    • 1.Qe7+!
      • 1...Kc6
        • 2.Qc5+
          • 2...Kb7
            • 3.c8Q#
          • 2...Kd7
            • 3.c8Q#
      • 1...Kxe7
        • 2.c8Q
          • threat
            • 3.f6#
          • 2...Bd7
            • 3.Qf8#

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).