Problem Display
PID: 176833 (8/8/7Q/8/8/5bKN/8/2r1n2k w - - 0 1)

Betzen, Wolfgang

Schach-Echo, 1967

8/8/7Q/8/8/5bKN/8/2r1n2k

#3

3 + 4


6490 yacpdb 2018
  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sf2+
        • 2...Kg1
          • 3.Qh1#
    • 1...Be2
      • 2.Sf2+
        • 2...Kg1
          • 3.Qh1#
    • 1...Bg4
      • 2.Sf2+
        • 2...Kg1
          • 3.Qh1#
    • 1...Sg2
      • 2.Sf2+
        • 2...Kg1
          • 3.Qh1#
  • Tries
    • 1.Sg1+?
      • 1...Kxg1
        • 2.Qh2+
          • 2...Kf1
            • 3.Qf2#
      • 1...Bh5!
    • 1.Sf4+?
      • 1...Kg1
        • 2.Qh2+
          • 2...Kf1
            • 3.Qf2#
      • 1...Bh5!
    • 1.Sg5+?
      • 1...Kg1
        • 2.Qh2+
          • 2...Kf1
            • 3.Qf2#
      • 1...Bh5!
    • 1.Qxc1?
      • threat
        • 2.Qxe1#
      • 1...Be2
        • 2.Qxe1+
          • 2...Bf1
            • 3.Qxf1#
      • 1...Bg2
        • 2.Qd2
          • 2...Bxh3
            • 3.Qh2#
          • 2...Bf1
            • 3.Qh2#
          • 2...Bf3
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Be4
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Bd5
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Bc6
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Bb7
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Ba8
            • 3.Qxe1#
            • 3.Qh2#
          • 2...Sc2
            • 3.Qxg2#
          • 2...Sd3
            • 3.Qxg2#
          • 2...Sf3
            • 3.Qxg2#
        • 2.Qxe1+
          • 2...Bf1
            • 3.Qxf1#
      • 1...Bd1!
    • 1.Qb6?
      • threat
        • 2.Qg1#
      • 1...Rc5
        • 2.Qxc5
          • threat
            • 3.Qg1#
      • 1...Sc2
        • 2.Qf2
          • threat
            • 3.Qh2#
            • 3.Qxf3#
          • 2...Rg1+
            • 3.Qxg1#
          • 2...Bg2
            • 3.Qxg2#
      • 1...Sg2
        • 2.Qg1+
          • 2...Rxg1
            • 3.Sf2#
      • 1...Sd3!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qg1#
      • 1...Sg2
        • 2.Qg1+
          • 2...Rxg1
            • 3.Sf2#


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).