Problem Display
PID: 47008 (1rb5/1pRp1p1r/1N1k1B2/3N3p/7P/3pKp2/8/2R5 w - - 0 1)

Hartong, Jan

Sp. Prize, Parallele 50, 1950

1rb5/1pRp1p1r/1N1k1B2/3N3p/7P/3pKp2/8/2R5

#3

7 + 10


3105 FIDE Album (1945-1955) 1964

SOLUTION


  • SOUND
  • Tries
    • 1.Kf4?
      • threat
        • 2.Kf5
          • threat
            • 3.Be5#
            • 3.Be7#
        • 2.Be7+
          • 2...Ke6
            • 3.Re1#
        • 2.Re1
          • threat
            • 3.Be7#
      • 1...Ke6
        • 2.Re1+
          • 2...Kd6
            • 3.Be7#
      • 1...Rh6
        • 2.Be7+
          • 2...Ke6
            • 3.Re1#
      • 1...Rg7
        • 2.Be7+
          • 2...Ke6
            • 3.Re1#
      • 1...Rh8
        • 2.Be7+
          • 2...Ke6
            • 3.Re1#
      • 1...Ra8
        • 2.Kf5
          • threat
            • 3.Be5#
            • 3.Be7#
        • 2.Be7+
          • 2...Ke6
            • 3.Re1#
      • 1...d2
        • 2.Kf5
          • threat
            • 3.Be5#
            • 3.Be7#
      • 1...f2!
  • Keys
    • 1.Re1!
      • threat
        • 2.Kd2
          • threat
            • 3.Be7#
        • 2.Kf2
          • threat
            • 3.Be7#
        • 2.Kxd3
          • threat
            • 3.Be7#
        • 2.Kxf3
          • threat
            • 3.Be7#
        • 2.Kd4
          • threat
            • 3.Sc4#
            • 3.Be7#
        • 2.Kf4
          • threat
            • 3.Be7#
      • 1...Ke6
        • 2.Kf4+
          • 2...Kd6
            • 3.Be7#
      • 1...Rh6
        • 2.Kd4
          • threat
            • 3.Sc4#
            • 3.Be7#
      • 1...Rg7
        • 2.Kxd3
          • threat
            • 3.Be7#
      • 1...Rh8
        • 2.Kd4
          • threat
            • 3.Sc4#
            • 3.Be7#
      • 1...Ra8
        • 2.Kxf3
          • threat
            • 3.Be7#
      • 1...d2
        • 2.Kxd2
          • threat
            • 3.Be7#
      • 1...f2
        • 2.Kxf2
          • threat
            • 3.Be7#

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).