MESON Chess Problem Database

Problem Display
PID: 119810 (4nb1k/1R5p/3p1P1p/3B3K/8/8/1B6/8 w - - 0 1)

Elkhan, Alexander A

Armeeblatt, 1904

4nb1k/1R5p/3p1P1p/3B3K/8/8/1B6/8

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rb8!
      • 1...Sxf6+
        • 2.Bxf6#
      • 1...Sg7+
        • 2.fxg7#
      • 1...Be7
        • 2.fxe7#
      • 1...Bg7
        • 2.fxg7#
      • 1...Sc7
        • 2.Rxf8#
        • 2.f7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(E);
    • Vars
      • S(d);CHECK,OGATE,P_SPINB(e),P_SPINS(d),XP(D)::B(A),XS(d)
      • S(d);CHECK,OGATE,P_SPINB(e)::P(D),XS(d)
      • B(e);OGATE,P_SPINS(d)::B(A)+P(D),XB(e)
      • B(e);OGATE,P_SPINS(d)::P(D),XB(e)
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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).