Problem Display
PID: 83303 (8/3p4/3Q4/7K/8/8/2PBP3/3k4 w - - 0 1)

Havel, Miroslav

Sachove umeni (Ceskoslovensky sach), 1948

8/3p4/3Q4/7K/8/8/2PBP3/3k4

#4

5 + 2


6490 yacpdb 2009

SOLUTION


  • COOKED
  • Keys
    • 1.Bc3+!
      • 1...Kc1
        • 2.Qd2+
          • 2...Kb1
            • 3.Qd1+
              • 3...Ka2
                • 4.Qa1#
      • 1...Kxc2
        • 2.Qa3
          • threat
            • 3.Qb2+
              • 3...Kd1
                • 4.Qd2#
          • 2...Kd1
            • 3.Qb2
              • threat
                • 4.Qd2#
        • 2.Qb4
          • threat
            • 3.Qb2+
              • 3...Kd1
                • 4.Qd2#
          • 2...Kc1
            • 3.Qb2+
              • 3...Kd1
                • 4.Qd2#
          • 2...Kd1
            • 3.Qb2
              • threat
                • 4.Qd2#
      • 1...Kxe2
        • 2.Qf4
          • threat
            • 3.Kg4
              • threat
                • 4.Qf3#
              • 3...Kd1
                • 4.Qd2#
    • 1.Bb4+!
      • 1...Kc1
        • 2.Ba3+
          • 2...Kb1
            • 3.Qd4
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kxc2
                • 4.Qd3#
      • 1...Kxc2
        • 2.Qd2+
          • 2...Kb1
            • 3.Ba3
              • threat
                • 4.Qb2#
              • 3...Ka1
                • 4.Qb2#
            • 3.Bc3
              • threat
                • 4.Qb2#
          • 2...Kb3
            • 3.Bd6
              • 3...Ka4
                • 4.Qb4#
              • 3...Kc4
                • 4.Qd3#
      • 1...Kxe2
        • 2.Qd2+
          • 2...Kf1
            • 3.Bc5
              • threat
                • 4.Qf2#
          • 2...Kf3
            • 3.Bd6
              • 3...Ke4
                • 4.Qd3#
        • 2.Qf4
          • threat
            • 3.Kg4
              • threat
                • 4.Qf3#
              • 3...Kd1
                • 4.Qd2#

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).