Problem Display
PID: 269898 (7n/4N1K1/2p2Pp1/3p2P1/3kp1P1/pB1p3N/3QP3/8 w - - 0 1)

Petrasinovic, Petrasin

Springaren, 2016

7n/4N1K1/2p2Pp1/3p2P1/3kp1P1/pB1p3N/3QP3/8

#4

9 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sc8!
      • threat
        • 2.e3+
          • 2...Ke5
            • 3.Qh2+
              • 3...Ke6
                • 4.Qd6#
      • 1...Kc5
        • 2.Qc3+
          • 2...Kb5
            • 3.Qd4
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qb6#
                • 4.Qa4#
              • 3...Ka6
                • 4.Qb6#
              • 3...c5
                • 4.Qa4#
      • 1...Ke5
        • 2.Qc3+
          • 2...Ke6
            • 3.Qxc6+
              • 3...Ke5
                • 4.Qxd5#
      • 1...e3
        • 2.Qb4+
          • 2...Ke5
            • 3.Qf4+
              • 3...Ke6
                • 4.Qd6#
      • 1...Sf7
        • 2.e3+
          • 2...Ke5
            • 3.Kxf7
              • threat
                • 4.Qh2#

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).