Problem Display
PID: 25792 (3R4/7p/2P1p2P/p1P1k2P/P3B2p/P4Q1P/8/4K2n w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

1st Prize, Source?, 1929

3R4/7p/2P1p2P/p1P1k2P/P3B2p/P4Q1P/8/4K2n

#3

11 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Qg4?
      • threat
        • 2.Bb1
          • threat
            • 3.Qd4#
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg7#
        • 2.Bc2
          • threat
            • 3.Qd4#
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg7#
        • 2.Bd3
          • threat
            • 3.Qd4#
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg7#
        • 2.Bxh7
          • threat
            • 3.Qd4#
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg7#
      • 1...Sf2
        • 2.Kxf2
          • 2...Kf6
            • 3.Qg7#
      • 1...Sg3!
    • 1.Qf6+?
      • 1...Kxe4
        • 2.Rd4+
          • 2...Ke3
            • 3.Qf4#
      • 1...Kxf6!
  • Keys
    • 1.Bd5!
      • 1...Kd4
        • 2.Qf4+
          • 2...Kc3
            • 3.Qd2#
          • 2...Kd3
            • 3.Qd2#
          • 2...Kxc5
            • 3.Qe3#
      • 1...exd5
        • 2.Qe3+
          • 2...Kf5
            • 3.Rf8#
          • 2...Kf6
            • 3.Rf8#
      • 1...Sf2
        • 2.Qxf2
          • 2...exd5
            • 3.Re8#
      • 1...Sg3
        • 2.Bxe6
          • 2...Kxe6
            • 3.Re8#
          • 2...Sxh5
            • 3.Qf5#
          • 2...Sf5
            • 3.Qxf5#
          • 2...Sf1
            • 3.Qf5#
          • 2...Sh1
            • 3.Qf5#
          • 2...Se2
            • 3.Qf5#
          • 2...Se4
            • 3.Qf5#

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).