Problem Display
PID: 34740 (3Q2nK/8/2k2p2/4p3/N1B4p/1ppp4/3r4/1n6 w - - 0 1)

Zlatanov, Angel

Shakhmaty v SSSR, 1957

3Q2nK/8/2k2p2/4p3/N1B4p/1ppp4/3r4/1n6

#4

4 + 10


SOLUTION


  • COOKED
  • Keys
    • 1.Kg7!
      • threat
        • 2.Qb6+
          • 2...Kd7
            • 3.Kf8
              • threat
                • 4.Be6#
              • 3...Kc8
                • 4.Be6#
        • 2.Kf8
          • threat
            • 3.Qb6+
              • 3...Kd7
                • 4.Be6#
          • 2...Kb7
            • 3.Bd5+
              • 3...Ka6
                • 4.Qb6#
              • 3...Ka7
                • 4.Qb6#
                • 4.Qa8#
            • 3.Qb6+
              • 3...Ka8
                • 4.Bd5#
              • 3...Kc8
                • 4.Be6#
      • 1...Sa3
        • 2.Bd5+
          • 2...Kb5
            • 3.Qb6+
              • 3...Kxa4
                • 4.Bxb3#
      • 1...Se7
        • 2.Qb6+
          • 2...Kd7
            • 3.Sc5+
              • 3...Kc8
                • 4.Ba6#
                • 4.Be6#
              • 3...Ke8
                • 4.Bf7#
    • 1.Qb6+!
      • 1...Kd7
        • 2.Bb5+
          • 2...Ke7
            • 3.Qa7+
              • 3...Kd6
                • 4.Qd7#
              • 3...Ke6
                • 4.Qd7#
              • 3...Kd8
                • 4.Qd7#
              • 3...Kf8
                • 4.Qg7#
            • 3.Qc7+
              • 3...Ke6
                • 4.Qd7#
              • 3...Kf8
                • 4.Qg7#
            • 3.Qb7+
              • 3...Kd6
                • 4.Qd7#
              • 3...Ke6
                • 4.Qd7#
              • 3...Kd8
                • 4.Qd7#
              • 3...Kf8
                • 4.Qg7#
          • 2...Kc8
            • 3.Sc5
              • threat
                • 4.Ba6#
                • 4.Bd7#

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).