Problem Display
PID: 251986 (B7/4p3/1p2Pp1p/1P6/1K6/1P1P4/kn1QR3/rr6 w - - 0 1)

Horwitz, Walter

Kraemer, Adolf Herrmann Rudolf Ferdinand

Schach, 1964

B7/4p3/1p2Pp1p/1P6/1K6/1P1P4/kn1QR3/rr6

#4

8 + 8


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bh1!
      • threat
        • 2.Rh2
          • threat
            • 3.Qg2
              • threat
                • 4.Qa8#
              • 3...Rxh1
                • 4.Qxb2#
              • 3...Rc1
                • 4.Qxb2#
              • 3...Rd1
                • 4.Qxb2#
              • 3...Re1
                • 4.Qxb2#
              • 3...Rf1
                • 4.Qxb2#
              • 3...Rg1
                • 4.Qxb2#
      • 1...f5
        • 2.Qc3
          • threat
            • 3.Qh8
              • threat
                • 4.Qa8#
              • 3...Rxh1
                • 4.Rxb2#
                • 4.Qxb2#
              • 3...Rc1
                • 4.Rxb2#
                • 4.Qxb2#
              • 3...Rd1
                • 4.Rxb2#
                • 4.Qxb2#
              • 3...Re1
                • 4.Rxb2#
                • 4.Qxb2#
              • 3...Rf1
                • 4.Rxb2#
                • 4.Qxb2#
              • 3...Rg1
                • 4.Rxb2#
                • 4.Qxb2#

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).