Problem Display
PID: 200300 (4rb2/pQ6/p1Bpb3/k7/2pp4/2p1B3/1P6/1N2K3 w - - 0 1)

Udartsev, Valentin Filipovich

Probleemblad, 1980

4rb2/pQ6/p1Bpb3/k7/2pp4/2p1B3/1P6/1N2K3

#3

6 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...c2
      • 2.Bd2+
        • 2...c3
          • 3.b4#
      • 2.b4+
        • 2...cxb4 ep
          • 3.Bd2#
  • Tries
    • 1.Qxa6+?
      • 1...Kb4
        • 2.Qb5#
        • 2.Qa3#
      • 1...Kxa6!
    • 1.b3?
      • threat
        • 2.b4#
      • 1...d5
        • 2.b4+
          • 2...Bxb4
            • 3.Qc7#
      • 1...cxb3!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sxc4+
          • 2...Bxc4
            • 3.b4#
      • 1...cxd2+
        • 2.Bxd2+
          • 2...c3
            • 3.b4#
      • 1...cxb2
        • 2.Sb3+
          • 2...cxb3
            • 3.Bd2#
      • 1...Bd5
        • 2.Sxc4+
          • 2...Bxc4
            • 3.b4#
      • 1...Bf7
        • 2.Sxc4+
          • 2...Bxc4
            • 3.b4#
      • 1...Bg8
        • 2.Sxc4+
          • 2...Bxc4
            • 3.b4#
      • 1...d5
        • 2.b4+
          • 2...Bxb4
            • 3.Qc7#
          • 2...cxb4 ep
            • 3.Sxb3#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).