MESON Chess Problem Database

Problem Display
PID: 2194 (nN2B3/r1p5/4R3/k7/P7/2K5/8/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

nN2B3/r1p5/4R3/k7/P7/2K5/8/8

#2

5 + 4

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Rxa6#
    • 1...Rb7
      • 2.Ra6#
  • Tries
    • 1.Re5+?
      • 1...Kb6
        • 2.Rb5#
      • 1...c5!
  • Keys
    • 1.Rc6!
      • 1...Kxa4
        • 2.Ra6#
      • 1...Ra6
        • 2.Rxa6#
      • 1...Rb7
        • 2.Ra6#
      • 1...Sb6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::R1(C),XR(b)
    • R(b);N_GUARD::R1(C)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(C)
      • Refutation
        • P(c);P_SPINP(c)
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT,XP(B)::B(E)+R(C),DCHECK
      • R(b);N_GUARD::R1(C),XR(b)
      • R(b);N_GUARD::R1(C)
      • S(d);SBLOCK::R(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).