Problem Display
PID: 186751 (8/8/1K6/3p3Q/4k2B/8/2N5/8 w - - 0 1)

Petrasinovic, Petrasin

Troll, 2018

8/8/1K6/3p3Q/4k2B/8/2N5/8

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Se1!
      • 1...Ke3
        • 2.Qf3+
          • 2...Kd2
            • 3.Qd3+
              • 3...Kc1
                • 4.Qc2#
          • 2...Kd4
            • 3.Bf6+
              • 3...Kc4
                • 4.Qc3#
      • 1...Kd4
        • 2.Qe2
          • 2...Kc3
            • 3.Be7
              • 3...Kb3
                • 4.Qc2#
              • 3...Kd4
                • 4.Bf6#
              • 3...d4
                • 4.Qc2#
      • 1...Kf4
        • 2.Qxd5
          • 2...Ke3
            • 3.Bg3
              • 3...Ke2
                • 4.Qd3#
          • 2...Kg4
            • 3.Qg5+
              • 3...Kh3
                • 4.Qg3#
      • 1...d4
        • 2.Bg3
          • threat
            • 3.Qf3#
            • 3.Qe5#
          • 2...Ke3
            • 3.Qd1
              • threat
                • 4.Qd3#
              • 3...Ke4
                • 4.Qf3#
              • 3...d3
                • 4.Qxd3#

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).