Problem Display
PID: 107426 (2RR4/p2N1Kpp/Pr1kp1p1/2pn4/B1P5/2p3N1/2Qbrn2/8 w - - 0 1)

Zirkwitz, Thorsten

Schach-Report, 1987

2RR4/p2N1Kpp/Pr1kp1p1/2pn4/B1P5/2p3N1/2Qbrn2/8

#4

9 + 13


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qxb6+
          • 2...Sxb6
            • 3.Rc6#
          • 2...axb6
            • 3.Rc6#
      • 1...Sb4
        • 2.Qxg6
          • threat
            • 3.Sf5#
          • 2...hxg6
            • 3.Sf8+
              • 3...Ke5
                • 4.Sxg6#
      • 1...Sc7
        • 2.Qxg6
          • threat
            • 3.Sf5#
          • 2...hxg6
            • 3.Sf8+
              • 3...Ke5
                • 4.Sxg6#
          • 2...Rb5
            • 3.Sf5+
              • 3...Kc6
                • 4.Bxb5#
      • 1...Se7
        • 2.Qd3+
          • 2...Sxd3
            • 3.Sxc5+
              • 3...Ke5
                • 4.Sxd3#
          • 2...Sd5
            • 3.Qd4
              • threat
                • 4.Sxc5#
                • 4.Se5#
                • 4.Sxb6#
                • 4.Sf6#
                • 4.Sb8#
                • 4.Sf8#
                • 4.Qxc5#
              • 3...cxd4
                • 4.c5#

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).