Problem Display
PID: 42816 (7q/p1R1N1b1/PN1pR1B1/rp1P4/1n1k1Pp1/p4p1p/P5P1/K1B2n2 w - - 0 1)

Boyer, Jean-Pierre

1st Prize, Europe Echecs, 1978

7q/p1R1N1b1/PN1pR1B1/rp1P4/1n1k1Pp1/p4p1p/P5P1/K1B2n2

#4

12 + 13


3750 FIDE Album (1977-1979) 1984
4640 Chess Wizardry: The New ABC of Chess Problems 1996
3389 Belgian Solving Championship 2002
56 The Problemist 2013
702 Phenix 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Re2!
      • threat
        • 2.Be3+
          • 2...Sxe3
            • 3.Rd2+
              • 3...Sd3
                • 4.Rxd3#
      • 1...Sc2+
        • 2.Rcxc2
          • threat
            • 3.Sc6#
          • 2...axb6
            • 3.Be3+
              • 3...Sxe3
                • 4.Red2#
          • 2...Qa8
            • 3.Be3+
              • 3...Sxe3
                • 4.Red2#
          • 2...Qc8
            • 3.Be3+
              • 3...Sxe3
                • 4.Red2#
          • 2...Qe8
            • 3.Be3+
              • 3...Sxe3
                • 4.Red2#
      • 1...Sxd5
        • 2.Re4+
          • 2...Kd3+
            • 3.Re5+
              • 3...Kd4
                • 4.Rxd5#
      • 1...fxe2
        • 2.Sf5+
          • 2...Kd3+
            • 3.Sxg7+
              • 3...Kd4
                • 4.Se6#
          • 2...Ke4+
            • 3.Sxg7+
              • 3...Kd4
                • 4.Se6#
      • 1...Sc6
        • 2.Sxc6+
          • 2...Kc5+
            • 3.Se5+
              • 3...Kb4
                • 4.Re4#
              • 3...Kd4
                • 4.Re4#
              • 3...Kxb6
                • 4.Rc6#
      • 1...Sd2
        • 2.Rxd2+
          • 2...Ke3+
            • 3.Rb2+
              • 3...Kd4
                • 4.Rxb4#

FEATURES


NOT CLASSIFIED


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).