Problem Display
PID: 20312 (8/p2BKp2/k2N1p2/3Q4/n7/3b4/1n6/8 w - - 0 1)

Pachman, Vladimir

3rd Prize, Probleemblad, 1958

8/p2BKp2/k2N1p2/3Q4/n7/3b4/1n6/8

#4

4 + 7


3976 FIDE Album (1956-1958) 1961

SOLUTION


  • SOUND
  • Keys
    • 1.Sb7!
      • threat
        • 2.Bc6
          • threat
            • 3.Qa5#
          • 2...Kb6
            • 3.Qa5+
              • 3...Kxc6
                • 4.Sd8#
          • 2...Sc5
            • 3.Qxc5
              • threat
                • 4.Qa5#
              • 3...Bb5
                • 4.Qxb5#
              • 3...Sc4
                • 4.Qb5#
      • 1...Bf1
        • 2.Qd6+
          • 2...Kxb7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qc8#
          • 2...Sb6
            • 3.Sc5+
              • 3...Ka5
                • 4.Qd2#
        • 2.Bc6
          • threat
            • 3.Qa5#
          • 2...Kb6
            • 3.Qa5+
              • 3...Kxc6
                • 4.Sd8#
          • 2...Sc5
            • 3.Qxc5
              • threat
                • 4.Qa5#
              • 3...Bb5
                • 4.Qxb5#
              • 3...Sc4
                • 4.Qb5#
      • 1...Be2
        • 2.Qd6+
          • 2...Kxb7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qc8#
          • 2...Sb6
            • 3.Sc5+
              • 3...Ka5
                • 4.Qd2#
        • 2.Bc6
          • threat
            • 3.Qa5#
          • 2...Kb6
            • 3.Qa5+
              • 3...Kxc6
                • 4.Sd8#
          • 2...Sc5
            • 3.Qxc5
              • threat
                • 4.Qa5#
              • 3...Bb5
                • 4.Qxb5#
              • 3...Sc4
                • 4.Qb5#
      • 1...Bc4
        • 2.Qd6+
          • 2...Kxb7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qc8#
          • 2...Sb6
            • 3.Sc5+
              • 3...Ka5
                • 4.Qd2#
      • 1...Sb6
        • 2.Bb5+
          • 2...Bxb5
            • 3.Sc5+
              • 3...Ka5
                • 4.Qd2#

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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).