Problem Display
PID: 230221 (5Kb1/8/4P3/2RPN1Q1/2pk2P1/3p1P2/2p2P2/2r5 w - - 0 1)

Braune, Robert

Tidskrift for Schack, 1913

5Kb1/8/4P3/2RPN1Q1/2pk2P1/3p1P2/2p2P2/2r5

#3

9 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...d2
      • 2.Qe3#
    • 1...c3
      • 2.Qe3#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Qf6#
        • 2.Qe5#
        • 2.Qg7#
      • 1...Re1
        • 2.Qf6+
          • 2...Re5
            • 3.Qxe5#
        • 2.Qg7+
          • 2...Re5
            • 3.Qxe5#
      • 1...Kc3!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Rxc4+
          • 2...Kxe5
            • 3.Re4#
            • 3.f4#
      • 1...Kc3
        • 2.Qa5+
          • 2...Kb2
            • 3.Rb5#
          • 2...Kb3
            • 3.Rb5#
          • 2...Kd4
            • 3.Sc6#
      • 1...Kxc5
        • 2.Qa5+
          • 2...Kd4
            • 3.Sc6#
          • 2...Kd6
            • 3.Sxc4#
      • 1...Kxe5
        • 2.Rxc4
          • threat
            • 3.Re4#
            • 3.f4#
      • 1...Re1
        • 2.Rxc4+
          • 2...Kxe5
            • 3.f4#
      • 1...Bh7
        • 2.Rxc4+
          • 2...Kxe5
            • 3.f4#
      • 1...c3
        • 2.Rc4+
          • 2...Kxe5
            • 3.Re4#
            • 3.f4#
        • 2.Qd6
          • threat
            • 3.Sc6#
            • 3.Rc4#

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).