MESON Chess Problem Database

Problem Display
PID: 13824 (8/1pP1kNB1/N1B5/P1P5/8/K7/8/8 w - - 0 1)

White, Alain Campbell

The Theory of Pawn Promotion, 1912

8/1pP1kNB1/N1B5/P1P5/8/K7/8/8

#3

8 + 2

2207 To Alain White 1945
70 American Chess Problemist 1950
4872 Themes-64 1956
14986 White-Hume Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.c8Q?
      • threat
        • 2.Qd7#
        • 2.Qe8#
      • 1...bxc6
        • 2.Qf5
          • 2...Ke8
            • 3.Qe6#
      • 1...Kxf7!
  • Keys
    • 1.Sd6!
      • threat
        • 2.c8Q
          • threat
            • 3.Qd7#
            • 3.Qe8#
        • 2.c8S+
          • 2...Ke6
            • 3.Sc7#
          • 2...Kd8
            • 3.Bf6#
      • 1...Ke6
        • 2.c8Q+
          • 2...Ke7
            • 3.Qd7#
            • 3.Qe8#
      • 1...bxa6
        • 2.c8R
          • 2...Ke6
            • 3.Re8#
      • 1...bxc6
        • 2.c8B
          • 2...Kd8
            • 3.Bf6#
      • 1...b5
        • 2.c8S+
          • 2...Ke6
            • 3.Sc7#
          • 2...Kd8
            • 3.Bf6#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).