Problem Display
PID: 267144 (5K2/B1R5/4P1P1/3p3p/5kpP/3p2N1/3N1pP1/5B2 w - - 0 1)

Howard, KN

The Problemist, 1955

5K2/B1R5/4P1P1/3p3p/5kpP/3p2N1/3N1pP1/5B2

#3

10 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rf7+
          • 2...Kxg3
            • 3.Bb8#
      • 1...Kxg3
        • 2.Rc4
          • threat
            • 3.Bb8#
      • 1...d4
        • 2.Rf7+
          • 2...Ke3
            • 3.Bxd4#
          • 2...Kxg3
            • 3.Bb8#
      • 1...gxf3!
    • 1.Bxf2?
      • 1...d4
        • 2.Sc4
          • 2...d2
            • 3.Rf7#
      • 1...Ke5!
    • 1.Rc6?
      • 1...Ke5
        • 2.Bb8+
          • 2...Kd4
            • 3.Sf5#
          • 2...Kf6
            • 3.e7#
      • 1...d4
        • 2.Bb8+
          • 2...Ke3
            • 3.Sc4#
      • 1...Kxg3!
    • 1.Rf7+?
      • 1...Ke5
        • 2.Ke7
          • 2...d4
            • 3.Rf5#
      • 1...Kxg3!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Rc2+
          • 2...Ke3
            • 3.Sf5#
        • 2.Rc3+
          • 2...Ke3
            • 3.Rxd3#
        • 2.Rc4+
          • 2...Ke3
            • 3.Bf4#
      • 1...Ke3
        • 2.Rc1
          • 2...Kxd2
            • 3.Bf4#
          • 2...Kd4
            • 3.Sf5#
          • 2...d4
            • 3.Sc4#
      • 1...Kxg3
        • 2.Rc4+
          • 2...Kxh4
            • 3.Sf3#
      • 1...Ke5
        • 2.Rc6+
          • 2...Kd4
            • 3.Sf5#
          • 2...Kf6
            • 3.e7#
      • 1...d4
        • 2.Rc1+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rc2+
          • 2...Ke3
            • 3.Sc4#
            • 3.Sf5#
        • 2.Rc3+
          • 2...Ke3
            • 3.Sc4#
            • 3.Rxd3#
        • 2.Rc5+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rc6+
          • 2...Ke3
            • 3.Sc4#
        • 2.Ra7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rb7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rd7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Re7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rf7+
          • 2...Ke3
            • 3.Sc4#
            • 3.Bf4#
        • 2.Rg7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rh7+
          • 2...Ke3
            • 3.Sc4#
        • 2.Rc8+
          • 2...Ke3
            • 3.Sc4#

FEATURES


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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).