Problem Display
PID: 206755 (7r/7P/1pP1k1P1/2P5/2P2R2/3pB3/3P4/R5K1 w - - 0 1)

Kubbel, Arvid Ivanovich

64 Shakhmatnoe obozrenie, 1925

7r/7P/1pP1k1P1/2P5/2P2R2/3pB3/3P4/R5K1

#3

10 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rg8
      • 2.hxg8Q+
        • 2...Ke5
          • 3.Qd5#
          • 3.Qe8#
        • 2...Ke7
          • 3.Ra7#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Re1#
      • 1...Ke7
        • 2.Bf6+
          • 2...Ke6
            • 3.Re1#
          • 2...Ke8
            • 3.Ra8#
          • 2...Kf8
            • 3.Ra8#
        • 2.Rf7+
          • 2...Ke6
            • 3.Re1#
          • 2...Kd8
            • 3.Ra8#
          • 2...Ke8
            • 3.Ra8#
      • 1...bxc5!
  • Keys
    • 1.Re1!
      • threat
        • 2.Bf2#
        • 2.Bd4#
      • 1...Ke5
        • 2.Rf7
          • threat
            • 3.Bf2#
          • 2...Ke4
            • 3.Bf2#
          • 2...Ke6
            • 3.Bf2#
            • 3.Bd4#
            • 3.Bf4#
            • 3.Bg5#
            • 3.Bh6#
          • 2...bxc5
            • 3.Bxc5#
      • 1...Ke7
        • 2.Rf8
          • threat
            • 3.Bh6#
          • 2...Ke6
            • 3.Bf2#
            • 3.Bd4#
            • 3.Bf4#
            • 3.Bg5#
            • 3.Bh6#
          • 2...Kxf8
            • 3.Bh6#
          • 2...Rxf8
            • 3.Bg5#
          • 2...bxc5
            • 3.Bxc5#

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).