Problem Display
PID: 106459 (8/1p2pKn1/8/1PQ5/k2pBp2/1p1p1r2/3N4/2nb4 w - - 0 1)

Pachman, Vladimir

Prace, 1953

8/1p2pKn1/8/1PQ5/k2pBp2/1p1p1r2/3N4/2nb4

#4

5 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qa3+
          • 2...Kxb5
            • 3.Qa5+
              • 3...Kxc4
                • 4.Bd5#
      • 1...d2
        • 2.b6
          • threat
            • 3.Sb2#
            • 3.Qa5#
          • 2...b2
            • 3.Qa5+
              • 3...Kb3
                • 4.Sxd2#
      • 1...b6
        • 2.Sb2+
          • 2...Ka5
            • 3.Qc4
              • threat
                • 4.Qa4#
        • 2.Qa3+
          • 2...Kxb5
            • 3.Se5
              • threat
                • 4.Bc6#
      • 1...e5
        • 2.Qa3+
          • 2...Kxb5
            • 3.Qa5+
              • 3...Kxc4
                • 4.Bd5#
            • 3.Bd5
              • threat
                • 4.Qa5#
              • 3...b6
                • 4.Sd6#
        • 2.Bd5
          • threat
            • 3.Qa3+
              • 3...Kxb5
                • 4.Qa5#
            • 3.b6
              • threat
                • 4.Sb2#
                • 4.Qa5#
              • 3...b2
                • 4.Sxb2#
          • 2...b6
            • 3.Qa3+
              • 3...Kxb5
                • 4.Sd6#
      • 1...e6
        • 2.Sb2+
          • 2...Ka5
            • 3.Bxb7
              • threat
                • 4.b6#

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).