Problem Display
PID: 216960 (8/8/pN1p3b/p2P2p1/3kN3/8/P1P1Q3/6K1 w - - 0 1)

Chocolous, Jiri

Deutsche Schachzeitung, 1891

8/8/pN1p3b/p2P2p1/3kN3/8/P1P1Q3/6K1

#4

7 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sca4
          • threat
            • 3.c3#
      • 1...Kc3
        • 2.Sca4+
          • 2...Kb4
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
            • 3.c3+
              • 3...Ka3
                • 4.Qb2#
            • 3.Qd3
              • threat
                • 4.Qb3#
                • 4.a3#
            • 3.Qf3
              • threat
                • 4.Qb3#
              • 3...Kb5
                • 4.Qb3#
            • 3.Qe3
              • threat
                • 4.Qb3#
              • 3...Kb5
                • 4.Qb3#
        • 2.Sba4+
          • 2...Kb4
            • 3.c3+
              • 3...Ka3
                • 4.Qb2#
            • 3.Qd3
              • threat
                • 4.Qb3#
                • 4.a3#
      • 1...Kxc5
        • 2.Qe3+
          • 2...Kb4
            • 3.a3+
              • 3...Kb5
                • 4.c4#
          • 2...Kb5
            • 3.c4+
              • 3...Kb4
                • 4.a3#
      • 1...dxc5
        • 2.Qf3
          • threat
            • 3.c3+
              • 3...Ke5
                • 4.Sc4#
          • 2...Ke5
            • 3.Sc4+
              • 3...Kd4
                • 4.Qd3#
          • 2...c4
            • 3.Sd7
              • threat
                • 4.c3#
              • 3...c3
                • 4.Qd3#
      • 1...g4
        • 2.Qd3+
          • 2...Kxc5
            • 3.Sa4+
              • 3...Kb4
                • 4.Qb3#
            • 3.Sd7+
              • 3...Kb4
                • 4.Qb3#
          • 2...Ke5
            • 3.Sbd7+
              • 3...Kf4
                • 4.Se6#

FEATURES


NOT CLASSIFIED


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).