Problem Display
PID: 14477 (nB6/Q2p3p/q1b4K/kp2P2B/1p6/NpP1r1P1/2pr4/5R1n w - - 0 1)

Kipping, Cyril Stanley

L'Echiquier, 1928

nB6/Q2p3p/q1b4K/kp2P2B/1p6/NpP1r1P1/2pr4/5R1n

#3

9 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Ka4
      • 2.Qxa6#
    • 1...Sc7
      • 2.Bxc7+
        • 2...Ka4
          • 3.Qxa6#
    • 1...d6
      • 2.Ra1
        • threat
          • 3.Sb1#
          • 3.Sxc2#
          • 3.Sc4#
        • 2...Ka4
          • 3.Sb1#
          • 3.Sxc2#
          • 3.Sc4#
          • 3.Qxa6#
        • 2...bxa3
          • 3.Rxa3#
  • Tries
    • 1.Sc4+?
      • 1...Ka4
        • 2.Ra1#
        • 2.Qxa6#
      • 1...bxc4!
    • 1.Bc7+?
      • 1...Sb6
        • 2.Bxb6+
          • 2...Ka4
            • 3.Qxa6#
      • 1...Sxc7!
  • Keys
    • 1.Ra1!
      • threat
        • 2.Sb1#
        • 2.Sxc2#
        • 2.Sc4#
      • 1...Rd6+
        • 2.Bxd6
          • threat
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
          • 2...Ka4
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
            • 3.Qxa6#
          • 2...bxa3
            • 3.Rxa3#
      • 1...Bg2+
        • 2.Bg6
          • threat
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
          • 2...Ka4
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
            • 3.Qxa6#
          • 2...bxa3
            • 3.Rxa3#
      • 1...Bf3+
        • 2.Kg7
          • threat
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
          • 2...Ka4
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
            • 3.Qxa6#
          • 2...bxa3
            • 3.Rxa3#
      • 1...Be4+
        • 2.e6
          • threat
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
          • 2...Ka4
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
            • 3.Qxa6#
          • 2...bxa3
            • 3.Rxa3#
      • 1...Bd5+
        • 2.Bd6
          • threat
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
          • 2...Ka4
            • 3.Sb1#
            • 3.Sxc2#
            • 3.Sc4#
            • 3.Qxa6#
          • 2...bxa3
            • 3.Rxa3#
      • 1...Bb7+
        • 2.Qxa6+
          • 2...Kxa6
            • 3.Sc4#
          • 2...Bxa6
            • 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).