MESON Chess Problem Database

Problem Display
PID: 149133 (5rbk/8/5R1K/8/8/B7/8/8 w - - 0 1)

Dehler, Ernst Georg

Basler Nachrichten, 1936

5rbk/8/5R1K/8/8/B7/8/8

#2

3 + 3

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Keys
    • 1.Bb2!
      • threat
        • 2.Rf7#
        • 2.Rxf8#
      • 1...Rxf6+
        • 2.Bxf6#
      • 1...Ba2
        • 2.Rxf8#
      • 1...Bb3
        • 2.Rxf8#
      • 1...Bc4
        • 2.Rxf8#
      • 1...Bd5
        • 2.Rxf8#
      • 1...Be6
        • 2.Rxf8#
      • 1...Bf7
        • 2.Rg6#
      • 1...Bh7
        • 2.Rxf8#
      • 1...Rf7
        • 2.Rxf7#
      • 1...Ra8
        • 2.Rf1#
        • 2.Rf2#
        • 2.Rf3#
        • 2.Rf4#
        • 2.Rf5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
        • 2.Rd6#
        • 2.Re6#
        • 2.Rg6#
        • 2.Rf7#
        • 2.Rf8#
      • 1...Rb8
        • 2.Rb6#
      • 1...Rc8
        • 2.Rc6#
      • 1...Rd8
        • 2.Rd6#
      • 1...Re8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • R(a);CHECK,OGATE,P_SPINR(a),XR(B)::B(A),XR(a)
      • B(b);::B(A)+R(B),DCHECK,XR(a)
      • B(b);S_CUTR(a)::B(A)+R(B)
      • R(a);::B(A)+R(B),XR(a)
      • R(a);N_GUARD::B(A)+R(B)
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).