Problem Display
PID: 124032 (q7/2B5/8/b3Np2/2B1kp2/1p4p1/1P6/1KQ4b w - - 0 1)

Dubovski, B

Lyubashevsky, Leonid Abramovic

Komsomolets Zaporozhya, 1981

q7/2B5/8/b3Np2/2B1kp2/1p4p1/1P6/1KQ4b

#3

6 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxe1+
        • 2...Kd4
          • 3.Bb6#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Qxf4#
      • 1...Kf3
        • 2.Qxf4+
          • 2...Kg2
            • 3.Qxg3#
      • 1...Bxc7
        • 2.Qe1+
          • 2...Kf3
            • 3.Qe2#
      • 1...Bd2!
    • 1.Bd3+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kd4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qxf4#
      • 1...Kxf3
        • 2.Qxf4+
          • 2...Kg2
            • 3.Qxg3#
      • 1...Bxc7
        • 2.Qe1+
          • 2...Kxf3
            • 3.Qe2#
      • 1...Bd2
        • 2.Sxd2+
          • 2...Ke3
            • 3.Bb6#
          • 2...Kd4
            • 3.Qg1#

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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).