Problem Display
PID: 34471 (1n5K/p7/B7/4p3/4p3/4pPB1/4R1P1/1R4bk w - - 0 1)

Pachman, Vladimir

2nd Prize, The Problemist, 1970

1n5K/p7/B7/4p3/4p3/4pPB1/4R1P1/1R4bk

#4

7 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • threat
        • 2.Ree1
          • threat
            • 3.Rxg1#
          • 2...Kxg2
            • 3.Rxg1+
              • 3...Kxf3
                • 4.Be2#
              • 3...Kh3
                • 4.Bf1#
      • 1...Sxa6
        • 2.Bxe5
          • threat
            • 3.g4
              • threat
                • 4.Rh2#
          • 2...exf3
            • 3.gxf3
              • threat
                • 4.Rh2#
      • 1...Sc6
        • 2.Ree1
          • threat
            • 3.Rxg1#
          • 2...Kxg2
            • 3.Rxg1+
              • 3...Kxf3
                • 4.Be2#
              • 3...Kh3
                • 4.Bf1#
                • 4.Bc8#

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).