Problem Display
PID: 140068 (2R1N1q1/5pbp/p2R2br/1k4r1/1P2p1p1/K1p5/8/4B2B w - - 0 1)

Erdos, Dr Geza

The Problemist, 1938

2R1N1q1/5pbp/p2R2br/1k4r1/1P2p1p1/K1p5/8/4B2B

#3

7 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rxc5#
    • 1...Bf5
      • 2.Rc5#
    • 1...Be5
      • 2.Rc5#
    • 1...e3
      • 2.Bb7
        • threat
          • 3.Bxa6#
        • 2...a5
          • 3.Ba6#
    • 1...f5
      • 2.Rc5#
  • Tries
    • 1.Rd7?
      • threat
        • 2.Rb7#
      • 1...Kb6
        • 2.Rb8+
          • 2...Kc6
            • 3.Rd6#
      • 1...Rc5
        • 2.Sd6+
          • 2...Kb6
            • 3.Rb7#
      • 1...Bf5
        • 2.Rb7+
          • 2...Rb6
            • 3.Sd6#
            • 3.Rc5#
      • 1...Bh5
        • 2.Rb7+
          • 2...Rb6
            • 3.Sd6#
      • 1...Bd4
        • 2.Sd6+
          • 2...Kb6
            • 3.Rb7#
        • 2.Rb7+
          • 2...Bb6
            • 3.Sd6#
      • 1...a5!
    • 1.Rcc6?
      • threat
        • 2.Sc7#
      • 1...Rc5
        • 2.Rxc5#
      • 1...Qxe8!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Rb6#
      • 1...Bh5
        • 2.Bxe4
          • threat
            • 3.Bd3#
          • 2...Rxd6
            • 3.Sxd6#
          • 2...Rc5
            • 3.Rxc5#
          • 2...Rd5
            • 3.Rxd5#
          • 2...Bg6
            • 3.Rb6#
          • 2...f5
            • 3.Rc5#
          • 2...f6
            • 3.Rb6#
      • 1...Bd4
        • 2.Sc7+
          • 2...Kc4
            • 3.Rxd4#
      • 1...e3
        • 2.Bb7
          • threat
            • 3.Bxa6#
          • 2...a5
            • 3.Ba6#

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).