Problem Display
PID: 265794 (1Q6/8/3N2P1/P2k4/B7/8/7K/8 w - - 0 1)

Petrasinovic, Petrasin

Comm., Sachmatija, 2022

1Q6/8/3N2P1/P2k4/B7/8/7K/8

#4

6 + 1


3713 Snap 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Bc2!
      • 1...Kd4
        • 2.Se4
          • 2...Ke3
            • 3.Qf8
              • threat
                • 4.Qf2#
              • 3...Ke2
                • 4.Qf2#
              • 3...Kd4
                • 4.Qc5#
          • 2...Kc4
            • 3.Qe5
              • 3...Kb4
                • 4.Qc5#
          • 2...Kd5
            • 3.Qd6+
              • 3...Kc4
                • 4.Qc5#
      • 1...Kc5
        • 2.Qb6+
          • 2...Kd5
            • 3.Sb7
              • 3...Kc4
                • 4.Qc5#
              • 3...Ke5
                • 4.Qd6#
      • 1...Ke5
        • 2.Sf5+
          • 2...Kd5
            • 3.Qc7
              • 3...Ke6
                • 4.Qd6#
          • 2...Kf6
            • 3.Qg3
              • 3...Ke6
                • 4.Qd6#
      • 1...Kc6
        • 2.Be4+
          • 2...Kd7
            • 3.Sf5
              • 3...Ke6
                • 4.Qd6#
      • 1...Ke6
        • 2.Sf5
          • threat
            • 3.Qd6#
          • 2...Kd5
            • 3.Qc7
              • 3...Ke6
                • 4.Qd6#
          • 2...Kf6
            • 3.Qg3
              • 3...Ke6
                • 4.Qd6#
          • 2...Kd7
            • 3.Be4
              • 3...Ke6
                • 4.Qd6#

Anticipated by 236034(2020)

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).