Problem Display
PID: 248085 (8/1K6/4B3/8/3Nk3/8/5Q2/8 w - - 0 1)

Erdos, Dr Geza

Chess Review, 1939

8/1K6/4B3/8/3Nk3/8/5Q2/8

#3

4 + 1


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Sf3?
      • 1...Kd3
        • 2.Bd5
          • 2...Kc3
            • 3.Qd2#
      • 1...Kf4!
    • 1.Sb5?
      • threat
        • 2.Bg4
          • threat
            • 3.Qd4#
          • 2...Kd3
            • 3.Qe2#
          • 2...Kd5
            • 3.Qd4#
          • 2...Ke5
            • 3.Qd4#
            • 3.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kd3!
  • Keys
    • 1.Sb3!
      • 1...Kd3
        • 2.Bd5
          • 2...Kc3
            • 3.Qd2#
      • 1...Ke5
        • 2.Bg4
          • threat
            • 3.Qd4#
          • 2...Ke4
            • 3.Qd4#
          • 2...Kd5
            • 3.Qd4#
          • 2...Kd6
            • 3.Qc5#

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).