Problem Display
PID: 80940 (8/B2p4/8/7Q/1N2k2p/8/8/7K w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Sovietskaya Moldova, 1971

8/B2p4/8/7Q/1N2k2p/8/8/7K

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...d6
      • 2.Qg4+
        • 2...Ke5
          • 3.Bd4#
  • Tries
    • 1.Be3?
      • threat
        • 2.Bd2
          • threat
            • 3.Qd5#
          • 2...Kd4
            • 3.Qd5#
          • 2...d5
            • 3.Qxd5#
      • 1...d5
        • 2.Bd2
          • threat
            • 3.Qxd5#
          • 2...Kd4
            • 3.Qxd5#
          • 2...d4
            • 3.Qd5#
      • 1...d6
        • 2.Bd2
          • threat
            • 3.Qd5#
          • 2...Kd4
            • 3.Qd5#
          • 2...d5
            • 3.Qxd5#
      • 1...Kxe3!
  • Keys
    • 1.Kg2!
      • 1...h3+
        • 2.Kg3
          • threat
            • 3.Qd5#
          • 2...d5
            • 3.Qxd5#
      • 1...Kf4
        • 2.Sd3+
          • 2...Ke4
            • 3.Qf3#
      • 1...d5
        • 2.Qg6+
          • 2...Kf4
            • 3.Sd3#
          • 2...Ke5
            • 3.Sd3#
      • 1...d6
        • 2.Qg4+
          • 2...Ke5
            • 3.Bd4#

FEATURES


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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).