Problem Display
PID: 130382 (7b/p7/6K1/B4P2/B1Pk4/4N3/3NPP2/8 w - - 0 1)

Colpa, Johannes J

Holandsko, 1899

7b/p7/6K1/B4P2/B1Pk4/4N3/3NPP2/8

#3

9 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Ke5
        • 2.Bc7+
          • 2...Ke4
            • 3.Bc6#
      • 1...Ke4!
    • 1.Sf3+?
      • 1...Ke4
        • 2.Sg2
          • threat
            • 3.Bc2#
            • 3.Bc6#
        • 2.Sd5
          • threat
            • 3.Bc2#
      • 1...Kc5!
    • 1.Sc2+?
      • 1...Ke5
        • 2.Bc7#
      • 1...Kc5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.e3+
          • 2...Kd3
            • 3.Sf4#
          • 2...Kc5
            • 3.Bb4#
          • 2...Ke5
            • 3.Bc7#
      • 1...Kc5
        • 2.Sb3+
          • 2...Kxc4
            • 3.Se3#
          • 2...Kd6
            • 3.Bc7#
      • 1...Ke5
        • 2.Sf3+
          • 2...Ke4
            • 3.Bc2#
          • 2...Kd6
            • 3.Bb4#
        • 2.Bc3+
          • 2...Kd6
            • 3.Se4#
      • 1...Be5
        • 2.Sb3+
          • 2...Kxc4
            • 3.Se3#
          • 2...Ke4
            • 3.f3#

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).