Problem Display
PID: 192532 (8/8/7p/Q7/K2NP3/4k3/3R4/8 w - - 0 1)

Ernst, Georg

Deutsches Wochenschach, 1917

8/8/7p/Q7/K2NP3/4k3/3R4/8

#3

5 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qf5+
        • 2...Ke3
          • 3.Rd3#
  • Tries
    • 1.Se6?
      • 1...Kxe4
        • 2.Qd5+
          • 2...Ke3
            • 3.Qd3#
        • 2.Qh5
          • 2...Ke3
            • 3.Qe2#
      • 1...h5
        • 2.Qg5+
          • 2...Kf3
            • 3.Qf4#
          • 2...Kxe4
            • 3.Qf4#
      • 1...Kf3!
    • 1.Re2+?
      • 1...Kd3
        • 2.Kb3
          • threat
            • 3.Qd2#
            • 3.Qc3#
          • 2...Kxd4
            • 3.Qc3#
            • 3.Qd5#
      • 1...Kxd4
        • 2.Kb3
          • threat
            • 3.Qc3#
            • 3.Qd5#
          • 2...Kd3
            • 3.Qd2#
      • 1...Kf4!
    • 1.Qf5?
      • threat
        • 2.Rd1
          • 2...h5
            • 3.Qf3#
      • 1...h5
        • 2.Rd1
          • 2...h4
            • 3.Qf3#
      • 1...Kxd2!
    • 1.Qg5+?
      • 1...Kxe4
        • 2.Qf5+
          • 2...Ke3
            • 3.Rd3#
      • 1...hxg5!
  • Keys
    • 1.Qh5!
      • 1...Kxd2
        • 2.Qe2+
          • 2...Kc1
            • 3.Qc2#
          • 2...Kc3
            • 3.Sb5#
      • 1...Kxe4
        • 2.Se6
          • 2...Ke3
            • 3.Qe2#
        • 2.Qf5+
          • 2...Ke3
            • 3.Rd3#
      • 1...Kf4
        • 2.Rd3
          • 2...Kxe4
            • 3.Qf5#

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).