Problem Display
PID: 143976 (8/8/n3PP1P/2p1P3/1pK1k2N/2R3P1/QP6/8 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Tidskrift for Schack, 1909

8/8/n3PP1P/2p1P3/1pK1k2N/2R3P1/QP6/8

#3

10 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Rc1?
      • threat
        • 2.Re1#
      • 1...Ke3
        • 2.b3
          • threat
            • 3.Re1#
          • 2...Ke4
            • 3.Re1#
            • 3.Qe2#
      • 1...Kxe5!
    • 1.Rc2?
      • threat
        • 2.Re2#
      • 1...Ke3
        • 2.Qb1
          • threat
            • 3.Qe1#
          • 2...Ke4
            • 3.Re2#
            • 3.Qe1#
        • 2.Qb3+
          • 2...Ke4
            • 3.Re2#
        • 2.Qa1
          • threat
            • 3.Qe1#
          • 2...Ke4
            • 3.Re2#
            • 3.Qe1#
        • 2.b3
          • threat
            • 3.Re2#
          • 2...Ke4
            • 3.Re2#
      • 1...Kxe5!
    • 1.Qb3?
      • threat
        • 2.Re3#
      • 1...bxc3
        • 2.Qxc3
          • threat
            • 3.Qe1#
      • 1...Kxe5!
    • 1.Qxa6?
      • 1...Kxe5
        • 2.e7
          • threat
            • 3.Re3#
            • 3.e8Q#
            • 3.e8R#
          • 2...Ke4
            • 3.Qe6#
            • 3.e8Q#
            • 3.e8R#
      • 1...b3
        • 2.e7
          • 2...Kxe5
            • 3.Re3#
            • 3.e8Q#
            • 3.e8R#
      • 1...bxc3!
  • Keys
    • 1.Qa5!
      • 1...Kxe5
        • 2.Re3+
          • 2...Kd6
            • 3.Qb6#
          • 2...Kxf6
            • 3.Qd8#
      • 1...bxc3
        • 2.Qxc3
          • threat
            • 3.Qe1#
      • 1...Sc7
        • 2.Qxc5
          • threat
            • 3.Re3#
            • 3.Qe3#
            • 3.Qd4#
      • 1...Sb8
        • 2.Qxc5
          • threat
            • 3.Re3#
            • 3.Qe3#
            • 3.Qd4#
            • 3.Qd5#
      • 1...b3
        • 2.Re3+
          • 2...Kxe3
            • 3.Qe1#

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).