Problem Display
PID: 30477 (8/p1b4Q/r7/5prp/2p2Pp1/3pB1Pp/3P3k/1bR1K1RB w - - 0 1)

Mostert, Joop

The Problemist, 1964

8/p1b4Q/r7/5prp/2p2Pp1/3pB1Pp/3P3k/1bR1K1RB

#3

9 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...h4
      • 2.Rg2+
        • 2...Kxh1
          • 3.Kf2#
        • 2...hxg2
          • 3.Qxh4#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Kf2
          • threat
            • 3.Rh1#
      • 1...Bxf4
        • 2.Rh1+
          • 2...Kxg3
            • 3.Bf2#
      • 1...Ra2
        • 2.Bf2
          • threat
            • 3.Rh1#
      • 1...h4
        • 2.Rg2+
          • 2...Kh1
            • 3.Kf2#
            • 3.Re2#
          • 2...hxg2
            • 3.Qxh4#
        • 2.Qxh4
          • threat
            • 3.Rh1#
      • 1...Bb6!
    • 1.Bc6?
      • threat
        • 2.Kf2
          • threat
            • 3.Rh1#
      • 1...Bxf4
        • 2.Rh1+
          • 2...Kxg3
            • 3.Bf2#
      • 1...Ra2
        • 2.Bf2
          • threat
            • 3.Rh1#
      • 1...h4
        • 2.Rg2+
          • 2...Kh1
            • 3.Kf2#
          • 2...hxg2
            • 3.Qxh4#
      • 1...Bb6!
    • 1.Bb7?
      • threat
        • 2.Kf2
          • threat
            • 3.Rh1#
      • 1...Bxf4
        • 2.Rh1+
          • 2...Kxg3
            • 3.Bf2#
      • 1...Ra2
        • 2.Bf2
          • threat
            • 3.Rh1#
      • 1...h4
        • 2.Rg2+
          • 2...Kh1
            • 3.Kf2#
          • 2...hxg2
            • 3.Qxh4#
      • 1...Bb6!
    • 1.Rg2+?
      • 1...Kxh1
        • 2.Kf2#
      • 1...hxg2!
  • Keys
    • 1.Ba8!
      • threat
        • 2.Kf2
          • threat
            • 3.Rh1#
      • 1...Bxf4
        • 2.Rh1+
          • 2...Kxg3
            • 3.Bf2#
      • 1...Bb6
        • 2.Qb7
          • threat
            • 3.Qh1#
      • 1...Ra2
        • 2.Bf2
          • threat
            • 3.Rh1#
      • 1...h4
        • 2.Rg2+
          • 2...Kh1
            • 3.Kf2#
          • 2...hxg2
            • 3.Qxh4#

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).