Problem Display
PID: 216887 (n5K1/8/8/3B4/8/3Q4/3b4/3k4 w - - 0 1)

Bogdanov, Evgeny Mikhailovich

Sp. Prize, Slovo, 1967

n5K1/8/8/3B4/8/3Q4/3b4/3k4

#5

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Be4!
      • threat
        • 2.Qf3+
          • 2...Kc1
            • 3.Qb3
              • threat
                • 4.Qc2#
                • 4.Qb1#
          • 2...Ke1
            • 3.Bd3
              • threat
                • 4.Qe2#
                • 4.Qf1#
      • 1...Ke1
        • 2.Qg3+
          • 2...Kd1
            • 3.Qf3+
              • 3...Kc1
                • 4.Qb3
                  • threat
                    • 5.Qc2#
                    • 5.Qb1#
              • 3...Ke1
                • 4.Bd3
                  • threat
                    • 5.Qe2#
                    • 5.Qf1#
          • 2...Ke2
            • 3.Qf3+
              • 3...Ke1
                • 4.Bd3
                  • threat
                    • 5.Qe2#
                    • 5.Qf1#

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).