Problem Display
PID: 26923 (8/2rP4/n1p1B3/K2nb1N1/1pk1P3/pN2Pp2/1PP3p1/4B1Q1 w - - 0 1)

Becker, Christopher Bennett

The Problemist, 1966

8/2rP4/n1p1B3/K2nb1N1/1pk1P3/pN2Pp2/1PP3p1/4B1Q1

#3

11 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sd2#
    • 1...c5
      • 2.Sd2#
      • 2.Bxd5#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Sfd2#
        • 2.Sxe5#
      • 1...Bc3
        • 2.bxc3
          • threat
            • 3.Se5#
      • 1...Bxb2!
    • 1.Sf7?
      • threat
        • 2.Sxe5#
      • 1...Bh2
        • 2.Qxh2
          • threat
            • 3.Se5#
            • 3.Sd6#
      • 1...Bf4
        • 2.exf4
          • threat
            • 3.Sd2#
            • 3.Se5#
            • 3.Sd6#
            • 3.Qd4#
      • 1...Bg3!
    • 1.Bxb4?
      • threat
        • 2.Sd2#
      • 1...Bc3
        • 2.Sd2+
          • 2...Bxd2
            • 3.b3#
      • 1...Sxb4!
    • 1.Qxg2?
      • threat
        • 2.Qf1#
      • 1...Sc5
        • 2.Sd2#
      • 1...fxg2!
    • 1.exd5?
      • threat
        • 2.dxc6#
        • 2.d6#
      • 1...Rxd7
        • 2.d6#
      • 1...Bd6
        • 2.dxc6#
      • 1...Sc5
        • 2.Sd2#
      • 1...c5
        • 2.Sd2#
        • 2.d6#
      • 1...cxd5!
    • 1.d8Q?
      • threat
        • 2.Bxd5+
          • 2...cxd5
            • 3.Qxd5#
        • 2.Qxd5+
          • 2...cxd5
            • 3.Bxd5#
      • 1...Rd7
        • 2.Qb6
          • threat
            • 3.Sd2#
            • 3.Qxa6#
      • 1...Bd6!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Qf1+
          • 2...gxf1Q
            • 3.Bxf1#
          • 2...gxf1S
            • 3.Bxf1#
          • 2...gxf1B
            • 3.Bxf1#
          • 2...gxf1R
            • 3.Bxf1#
      • 1...Sxe3
        • 2.Be6+
          • 2...Sd5
            • 3.Sd2#
      • 1...Sc3
        • 2.Sxf3
          • threat
            • 3.Sfd2#
            • 3.Sxe5#
          • 2...Sxe4
            • 3.Be6#
      • 1...Sf4
        • 2.Sf7
          • threat
            • 3.Sxe5#
          • 2...Bxb2
            • 3.Sd6#
          • 2...Bc3
            • 3.Sd6#
          • 2...Bd4
            • 3.Sd6#
          • 2...Bd6
            • 3.Sxd6#
          • 2...Bf6
            • 3.Sd6#
          • 2...Bg7
            • 3.Sd6#
          • 2...Bh8
            • 3.Sd6#
          • 2...Sd3
            • 3.Be6#
          • 2...Sg6
            • 3.Be6#

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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).