MESON Chess Problem Database

Problem Display
PID: 149204 (7R/5B2/k7/2K5/8/8/8/8 w - - 0 1)

Dehler, Ernst Georg

Deutsche Schachzeitung, 1925

7R/5B2/k7/2K5/8/8/8/8

#2

3 + 1

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Ra8#
  • Tries
    • 1.Rb8?
      • 1...Ka5
        • 2.Ra8#
      • 1...Ka7!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Ra8#
      • 1...Ka5
        • 2.Ra8#
      • 1...Ka7
        • 2.Ra8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(C)
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • R(C)
    • Vars
      • K(a);P-FLIGHT::R(C)
      • K(a);P-FLIGHT::R1(C)
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).