Problem Display
PID: 77951 (8/8/3Q4/6p1/1p6/1K3p2/4p2N/4k3 w - - 0 1)

Havel, Miroslav

Casopis ceskoslovenskych sachistu, 1921

8/8/3Q4/6p1/1p6/1K3p2/4p2N/4k3

#4

3 + 5


6024 Bohemian Garnets 1923

SOLUTION


  • COOKED
  • Keys
    • 1.Qc5!
      • threat
        • 2.Sxf3+
          • 2...Kd1
            • 3.Qc2#
          • 2...Kf1
            • 3.Qg1#
      • 1...Kd1
        • 2.Qd4+
          • 2...Kc1
            • 3.Sxf3
              • threat
                • 4.Qa1#
              • 3...Kb1
                • 4.Qb2#
          • 2...Ke1
            • 3.Sxf3+
              • 3...Kf1
                • 4.Qg1#
      • 1...g4
        • 2.Sxg4
          • threat
            • 3.Qc1#
          • 2...Kd1
            • 3.Qc2+
              • 3...Ke1
                • 4.Qc1#
          • 2...Kd2
            • 3.Qc2+
              • 3...Ke1
                • 4.Qc1#
    • 1.Qd4!
      • threat
        • 2.Sxf3+
          • 2...Kf1
            • 3.Qg1#
      • 1...f2
        • 2.Sf3+
          • 2...Kf1
            • 3.Qg4
              • threat
                • 4.Qh3#
              • 3...e1Q
                • 4.Sh2#
              • 3...e1S
                • 4.Sd2#
                • 4.Sh2#
              • 3...e1B
                • 4.Sh2#
              • 3...e1R
                • 4.Sd2#
                • 4.Sh2#
      • 1...g4
        • 2.Sxg4
          • 2...f2
            • 3.Se3
              • threat
                • 4.Qxb4#
              • 3...f1Q
                • 4.Sc2#
              • 3...f1S
                • 4.Sc2#
                • 4.Sg2#
              • 3...f1B
                • 4.Sc2#
              • 3...f1R
                • 4.Sc2#
                • 4.Sg2#
        • 2.Kc2
          • threat
            • 3.Qg1#
          • 2...b3+
            • 3.Kc3
              • threat
                • 4.Qg1#
              • 3...f2
                • 4.Qd2#
            • 3.Kd3
              • threat
                • 4.Qg1#
              • 3...Kd1
                • 4.Qa1#
              • 3...f2
                • 4.Qa1#

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).