Problem Display
PID: 203810 (8/6p1/6B1/B3P3/3P1kpP/2R5/3N2Pb/5K2 w - - 0 1)

Morra, Juan Carlos

The Problemist, 1954

8/6p1/6B1/B3P3/3P1kpP/2R5/3N2Pb/5K2

#3

9 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Bg1
      • 2.g3#
  • Tries
    • 1.Ke2?
      • threat
        • 2.Re3
          • 2...g3
            • 3.Re4#
          • 2...Bg1
            • 3.g3#
          • 2...Bg3
            • 3.Re4#
      • 1...g3
        • 2.Re3
          • threat
            • 3.Re4#
          • 2...Kg4
            • 3.Re4#
      • 1...Bg3!
    • 1.Sc4?
      • threat
        • 2.Re3
          • 2...g3
            • 3.Re4#
          • 2...Bg1
            • 3.g3#
          • 2...Bg3
            • 3.Re4#
      • 1...g3
        • 2.Re3
          • threat
            • 3.Re4#
          • 2...Kg4
            • 3.Re4#
      • 1...Bg3!
    • 1.Se4?
      • 1...Bg3
        • 2.Sc5
          • threat
            • 3.Se6#
        • 2.Sg5
          • threat
            • 3.Se6#
        • 2.Bc7
          • threat
            • 3.e6#
        • 2.e6
          • threat
            • 3.Bc7#
      • 1...g3!
  • Keys
    • 1.Sb3!
      • 1...g3
        • 2.Re3
          • threat
            • 3.Re4#
          • 2...Kxe3
            • 3.Bd2#
          • 2...Kg4
            • 3.Re4#
      • 1...Bg3
        • 2.Sc5
          • threat
            • 3.Se6#

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).