Problem Display
PID: 82803 (8/8/5p1b/5Q2/2p4p/2BBR3/3PP1n1/1K2k3 w - - 0 1)

Havel, Miroslav

The Observer, 1938

(First published on Sun Jun 26 1938)

8/8/5p1b/5Q2/2p4p/2BBR3/3PP1n1/1K2k3

#3

7 + 6


6490 yacpdb 2009
15239 Valois Notebooks 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kd1
      • 2.Bc2+
        • 2...Ke1
          • 3.d3#
          • 3.d4#
      • 2.Qf1+
        • 2...Se1
          • 3.Bc2#
    • 1...Sxe3
      • 2.dxe3+
        • 2...Kd1
          • 3.Qf1#
  • Tries
    • 1.Qf2+?
      • 1...Kd1
        • 2.Bc2#
      • 1...Kxf2!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Bc2
          • threat
            • 3.d3#
            • 3.d4#
          • 2...Bxe3
            • 3.dxe3#
      • 1...Kd1
        • 2.Bc2+
          • 2...Ke1
            • 3.d3#
            • 3.d4#
        • 2.Qxg2
          • threat
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
          • 2...Ke1
            • 3.Qg1#
        • 2.Qf1+
          • 2...Se1
            • 3.Bc2#
      • 1...Bxe3
        • 2.dxe3+
          • 2...Kd1
            • 3.Bc2#
      • 1...Sxe3
        • 2.dxe3+
          • 2...Kd1
            • 3.Bc2#
            • 3.Qh1#
            • 3.Qf1#
      • 1...cxd3
        • 2.exd3+
          • 2...Bxe3
            • 3.dxe3#
          • 2...Sxe3
            • 3.dxe3#
      • 1...Bf4
        • 2.Bc2
          • threat
            • 3.d3#
            • 3.d4#
          • 2...Bxe3
            • 3.dxe3#
      • 1...Bg5
        • 2.Bc2
          • threat
            • 3.d3#
            • 3.d4#
          • 2...Bxe3
            • 3.dxe3#
      • 1...Bg7
        • 2.Bc2
          • threat
            • 3.d3#
            • 3.d4#
        • 2.Qxg2
          • threat
            • 3.Qg1#
          • 2...Kd1
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
      • 1...Bf8
        • 2.Qxg2
          • threat
            • 3.Qg1#
          • 2...Kd1
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
      • 1...Sf4
        • 2.Qh1+
          • 2...Kf2
            • 3.Rf3#

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).