Problem Display
PID: 219151 (1R2B3/6p1/4p3/p1PkP1K1/N5N1/2P5/5P2/8 w - - 0 1)

Weatherstone, W

English Mechanic and World of Science, 1874

(First published on Fri Oct 16 1874)

1R2B3/6p1/4p3/p1PkP1K1/N5N1/2P5/5P2/8

#3

9 + 4


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Kf4?
      • threat
        • 2.Se3#
      • 1...Kc4
        • 2.Ke4
          • threat
            • 3.Se3#
      • 1...g5+!
    • 1.Sb2?
      • 1...g6
        • 2.Sf6+
          • 2...Kxc5
            • 3.Rb5#
          • 2...Kxe5
            • 3.Sd3#
            • 3.Sc4#
            • 3.f4#
      • 1...a4!
    • 1.Sb6+?
      • 1...Kxc5
        • 2.Se3
          • threat
            • 3.Sa4#
          • 2...a4
            • 3.Sxa4#
      • 1...Ke4!
    • 1.Se3+?
      • 1...Kxe5
        • 2.Bc6
          • 2...g6
            • 3.Sc4#
            • 3.Sg4#
            • 3.f4#
      • 1...Ke4!
    • 1.Bb5?
      • threat
        • 2.Rd8+
          • 2...Ke4
            • 3.Bc6#
        • 2.f3
          • 2...g6
            • 3.Rd8#
      • 1...g6
        • 2.Sf6+
          • 2...Kxe5
            • 3.f4#
        • 2.Rd8+
          • 2...Ke4
            • 3.Bc6#
      • 1...Ke4!
    • 1.Bc6+?
      • 1...Kc4
        • 2.Be4
          • 2...g6
            • 3.Se3#
      • 1...Kxc6!
    • 1.Bg6?
      • threat
        • 2.Rb6
          • 2...Kc4
            • 3.Se3#
        • 2.Rb7
          • 2...Kc4
            • 3.Se3#
          • 2...Kc6
            • 3.Be4#
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6!
    • 1.Rd8+?
      • 1...Ke4
        • 2.Bc6#
      • 1...Kc4!
  • Keys
    • 1.Rb2!
      • 1...Kc4
        • 2.Se3+
          • 2...Kd3
            • 3.Bg6#
      • 1...Ke4
        • 2.Rd2
          • threat
            • 3.Bc6#
          • 2...Kf3
            • 3.Bc6#
      • 1...g6
        • 2.Sf6+
          • 2...Kc4
            • 3.Bb5#
          • 2...Kxe5
            • 3.Re2#
            • 3.f4#

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).