Problem Display
PID: 236845 (3r4/5n1b/2B3q1/pN4r1/Ppk1P1p1/3N4/PpPP1Q2/bK6 w - - 0 1)

Hoffmann, Martin Wolfgang

Schweizerische Schachzeitung, 1988

3r4/5n1b/2B3q1/pN4r1/Ppk1P1p1/3N4/PpPP1Q2/bK6

#4

10 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Qb6!
      • threat
        • 2.Sa3+
          • 2...bxa3
            • 3.Qb3+
              • 3...Kd4
                • 4.Qc3#
      • 1...Rxd3
        • 2.cxd3+
          • 2...Kxd3
            • 3.Qe3+
              • 3...Kc4
                • 4.Qd4#
                • 4.d3#
      • 1...Rgd5
        • 2.Qd4+
          • 2...Rxd4
            • 3.Sa3+
              • 3...bxa3
                • 4.Bb5#
      • 1...Rdd5
        • 2.Qc5+
          • 2...Rxc5
            • 3.Sxb2+
              • 3...Bxb2
                • 4.d3#

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).