Problem Display
PID: 215363 (1q1r2n1/Q7/1N6/1pp1p2B/R1Nk4/6pr/3K2bP/8 w - - 0 1)

Bayer, Konrad

Sammlung Leichterer Schachaufgaben 2 (Dufresne), 1882

1q1r2n1/Q7/1N6/1pp1p2B/R1Nk4/6pr/3K2bP/8

#4

7 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qd3#
      • 1...gxh2
        • 2.Bf3
          • threat
            • 3.Qd3#
            • 3.Qe4#
          • 2...Rxf3
            • 3.Qe4+
              • 3...Kxe4+
                • 4.Sd6#
          • 2...Rxh7
            • 3.Sa5+
              • 3...bxa4
                • 4.Sc6#
              • 3...b4
                • 4.Sb3#
                • 4.Sc6#
              • 3...c4
                • 4.Sb3#
      • 1...e4
        • 2.Qg7+
          • 2...Sf6
            • 3.Qxf6+
              • 3...Qe5
                • 4.Qxe5#
        • 2.Qh8+
          • 2...Sf6
            • 3.Qxf6+
              • 3...Qe5
                • 4.Qxe5#

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).