Problem Display
PID: 127039 (2R5/1Q1P2p1/3P2p1/6p1/3k2P1/8/2P5/2RK4 w - - 0 1)

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

Deutsche Schachzeitung, 1908

2R5/1Q1P2p1/3P2p1/6p1/3k2P1/8/2P5/2RK4

#3

8 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qa5
          • 2...Ke3
            • 3.Qd2#
      • 1...Ke5
        • 2.Rc4
          • 2...Ke6
            • 3.Re4#
            • 3.Qde7#
        • 2.Qxg5+
          • 2...Kd4
            • 3.Qf4#
            • 3.Qbd5#
            • 3.Qc5#
            • 3.Qb4#
          • 2...Kxd6
            • 3.Rc6#
            • 3.Qge7#
            • 3.Qbd5#
            • 3.Qc6#
            • 3.Qgd5#
            • 3.Qbe7#
          • 2...Ke6
            • 3.Qge7#
            • 3.Qbe7#
      • 1...Ke3!
  • Keys
    • 1.Re8!
      • 1...Kc3
        • 2.Qb5
          • 2...Kd4
            • 3.c3#
      • 1...Kc4
        • 2.Qb6
          • 2...Kc3
            • 3.Rc8#
          • 2...Kd5
            • 3.c4#
      • 1...Kc5
        • 2.c4
          • 2...Kd4
            • 3.Qd5#
          • 2...Kxd6
            • 3.c5#

FEATURES


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