Problem Display
PID: 253568 (6K1/2Q3P1/1p2pkp1/br1pR3/2b5/2n1p3/1qN3Pp/8 w - - 0 1)

Vetter, Hans

Schach, 1969

6K1/2Q3P1/1p2pkp1/br1pR3/2b5/2n1p3/1qN3Pp/8

#4

6 + 12


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.g3!
      • threat
        • 2.Qf7+
          • 2...Kxe5
            • 3.Qf4#
      • 1...g5
        • 2.Sd4
          • threat
            • 3.Rxe6#
          • 2...Kg6
            • 3.Qf7+
              • 3...Kh6
                • 4.Rxe6#
          • 2...g4
            • 3.Rxe6+
              • 3...Kg5
                • 4.Qe5#
            • 3.Qf7+
              • 3...Kxe5
                • 4.Qf4#
            • 3.Rh5
              • threat
                • 4.Qf7#
              • 3...Kg6
                • 4.Qf7#
            • 3.Qd6
              • threat
                • 4.Qxe6#
              • 3...Kg6
                • 4.Qxe6#
      • 1...Se2
        • 2.Sxe3
          • threat
            • 3.Sg4#
          • 2...g5
            • 3.Sg4+
              • 3...Kg6
                • 4.Qf7#
          • 2...Qd4
            • 3.Qd6
              • threat
                • 4.Qxe6#
              • 3...Qxe5
                • 4.Qd8#
              • 3...Qg4
                • 4.Sxg4#
              • 3...Sf4
                • 4.Sg4#
      • 1...d4
        • 2.Qd8+
          • 2...Kxe5
            • 3.Qxd4+
              • 3...Kf5
                • 4.Qf4#

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).