Problem Display
PID: 13582 (4KB2/1p6/4Rp2/p1Pk1P2/P2p1P2/3B4/8/8 w - - 0 1)

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

Deutsches Wochenschach, 1907

4KB2/1p6/4Rp2/p1Pk1P2/P2p1P2/3B4/8/8

#3

8 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Re5+?
      • 1...Kc6
        • 2.Kd8
          • threat
            • 3.Be4#
            • 3.Bb5#
        • 2.Bd6
          • threat
            • 3.Be4#
            • 3.Bb5#
      • 1...fxe5!
    • 1.Re7?
      • threat
        • 2.Rxb7
          • 2...Kc6
            • 3.Be4#
        • 2.Rd7+
          • 2...Kc6
            • 3.Be4#
            • 3.Bb5#
      • 1...Kc6
        • 2.Rd7
          • threat
            • 3.Be4#
            • 3.Bb5#
      • 1...b5
        • 2.Rd7+
          • 2...Kc6
            • 3.Be4#
            • 3.Bxb5#
            • 3.axb5#
      • 1...b6
        • 2.Rd7+
          • 2...Kc6
            • 3.Be4#
            • 3.Bb5#
      • 1...Kxc5!
    • 1.c6?
      • threat
        • 2.Ba3
          • threat
            • 3.Rd6#
      • 1...bxc6
        • 2.Kd7
          • 2...c5
            • 3.Rd6#
        • 2.Kf7
          • 2...c5
            • 3.Rd6#
        • 2.Kd8
          • 2...c5
            • 3.Rd6#
        • 2.Be7
          • 2...c5
            • 3.Rd6#
        • 2.Rxf6
          • 2...c5
            • 3.Rd6#
      • 1...b6
        • 2.Ba3
          • 2...b5
            • 3.Rd6#
      • 1...b5!
  • Keys
    • 1.Ra6!
      • 1...bxa6
        • 2.Kd8
          • 2...Kc6
            • 3.Be4#
        • 2.Bd6
          • 2...Kc6
            • 3.Be4#
      • 1...b6
        • 2.cxb6
          • 2...Kc6
            • 3.Be4#
      • 1...b5
        • 2.cxb5 ep
          • 2...Kc6
            • 3.Be4#

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).