Problem Display
PID: 252052 (4N3/5p2/2p2pp1/3p1k1p/3P3P/6KP/b3P2Q/8 w - - 0 1)

Morra, Juan Carlos

Sachove umeni (Ceskoslovensky sach), 1964

4N3/5p2/2p2pp1/3p1k1p/3P3P/6KP/b3P2Q/8

#4

7 + 8


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Kf2!
      • threat
        • 2.Sxf6
          • threat
            • 3.Qe5#
          • 2...g5
            • 3.Qe5+
              • 3...Kg6
                • 4.Qxg5#
        • 2.Qd6
          • threat
            • 3.Qxf6+
              • 3...Ke4
                • 4.Sd6#
                • 4.Qe5#
            • 3.Ke3
              • threat
                • 4.Sg7#
                • 4.Qxf6#
                • 4.Qd7#
            • 3.Kf3
              • threat
                • 4.Sg7#
                • 4.Qxf6#
                • 4.Qd7#
          • 2...Ke4
            • 3.Qxf6
              • threat
                • 4.Sd6#
                • 4.Qe5#
      • 1...Ke4
        • 2.Qf4+
          • 2...Kxf4
            • 3.Sd6
              • threat
                • 4.e3#
      • 1...Ke6
        • 2.Qd6+
          • 2...Kf5
            • 3.Qxf6+
              • 3...Ke4
                • 4.Sd6#
                • 4.Qe5#
            • 3.Ke3
              • threat
                • 4.Sg7#
                • 4.Qxf6#
                • 4.Qd7#
            • 3.Kf3
              • threat
                • 4.Sg7#
                • 4.Qxf6#
                • 4.Qd7#
      • 1...g5
        • 2.Qd6
          • threat
            • 3.Qxf6+
              • 3...Ke4
                • 4.Sd6#
                • 4.Qe5#
          • 2...Ke4
            • 3.Qxf6
              • threat
                • 4.Sd6#
                • 4.Qe5#
          • 2...Kg6
            • 3.Qxf6+
              • 3...Kh7
                • 4.Qg7#
      • 1...c5
        • 2.Qd6
          • threat
            • 3.Qxf6+
              • 3...Ke4
                • 4.Sd6#
                • 4.Qe5#
            • 3.Kf3
              • threat
                • 4.Sg7#
                • 4.Qxf6#
                • 4.Qd7#
          • 2...Ke4
            • 3.Qxf6
              • threat
                • 4.Sd6#
                • 4.Qe5#
          • 2...cxd4
            • 3.Qxf6+
              • 3...Ke4
                • 4.Sd6#
            • 3.Kf3
              • threat
                • 4.Sg7#
                • 4.Qxf6#

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).