Problem Display
PID: 226047 (BQ6/3p4/8/2p5/2k5/8/8/4B2K w - - 0 1)

Bogdanov, Evgeny Mikhailovich

3rd Comm., Praca, 2001

BQ6/3p4/8/2p5/2k5/8/8/4B2K

#3

4 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qf4+
        • 2...Kd3
          • 3.Qe4#
  • Tries
    • 1.Qg3?
      • 1...Kb5
        • 2.Qb3+
          • 2...Ka6
            • 3.Qb7#
      • 1...d6
        • 2.Bc6
          • threat
            • 3.Qc3#
          • 2...Kd4
            • 3.Qc3#
      • 1...d5!
    • 1.Qb2?
      • 1...Kd3
        • 2.Bd5
          • threat
            • 3.Qd2#
          • 2...Ke3
            • 3.Qd2#
      • 1...d6
        • 2.Bf3
          • 2...Kd3
            • 3.Qc3#
          • 2...d5
            • 3.Be2#
      • 1...d5!
    • 1.Qb3+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kxb3!
    • 1.Qb4+?
      • 1...Kd3
        • 2.Qe4#
      • 1...cxb4!
  • Keys
    • 1.Bf3!
      • 1...Kd3
        • 2.Qb3+
          • 2...Kd4
            • 3.Qc3#
      • 1...Kd4
        • 2.Qf4+
          • 2...Kd3
            • 3.Qe4#
      • 1...d5
        • 2.Be2+
          • 2...Kd4
            • 3.Qf4#
      • 1...d6
        • 2.Qb2
          • 2...Kd3
            • 3.Qc3#
          • 2...d5
            • 3.Be2#

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).