Problem Display
PID: 268815 (8/8/8/8/P2k4/8/1P3R1K/5Q2 w - - 0 1)

Petrasinovic, Petrasin

Prize, Sem Shakhmatnikh not, 2021

8/8/8/8/P2k4/8/1P3R1K/5Q2

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Qa6!
      • 1...Ke3
        • 2.Re2+
          • 2...Kf3
            • 3.Kh3
              • 3...Kf4
                • 4.Qf6#
          • 2...Kd4
            • 3.Qc6
              • 3...Kd3
                • 4.Qe4#
          • 2...Kf4
            • 3.Qg6
              • 3...Kf3
                • 4.Qe4#
      • 1...Ke4
        • 2.Qd6
          • 2...Ke3
            • 3.Qf4+
              • 3...Kd3
                • 4.Rd2#
      • 1...Kd5
        • 2.Re2
          • 2...Kd4
            • 3.Qc6
              • 3...Kd3
                • 4.Qe4#
          • 2...Kc5
            • 3.Rd2
              • 3...Kb4
                • 4.Qb5#
      • 1...Ke5
        • 2.Qc6
          • 2...Kd4
            • 3.Re2
              • 3...Kd3
                • 4.Qe4#

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).