MESON Chess Problem Database

Problem Display
PID: 4541 (1r2b3/8/8/R7/Pk2N3/rP1P4/1P1N4/3KB3 w - - 0 1)

Laws, Benjamin Glover

Brief, 1878

1r2b3/8/8/R7/Pk2N3/rP1P4/1P1N4/3KB3

#2

9 + 4

15 British Chess Magazine 1890
3571 An English Bohemian 1933

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • threat
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sf3#
        • 2.Sc4#
      • 1...Rc8+
        • 2.Sc4#
      • 1...Rxb3
        • 2.Sxb3#
      • 1...Ra1
        • 2.Sb1#
      • 1...Kxa5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sf3#
        • 2.Sc4#
        • 2.Sde4#
      • 1...Ra1+
        • 2.Sb1#
      • 1...Bh5+
        • 2.Sf3#
      • 1...Kxa5
        • 2.Sc4#
      • 1...Rxb3
        • 2.Sdxb3#
      • 1...Rb5
        • 2.Sde4#
      • 1...Bb5
        • 2.Sde4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • DUALS(4)
      • Vars
        • R(c);CHECK::B(B)+S(D)
        • R(a);XP(E)::B(B)+S(D),XR(a)
        • R(a);::B(B)+S(D)
      • Refutation
        • K(b);S_FLIGHT,XR(I)
  • Actual
    • S(H);
    • Threat
      • DUALS(5)
    • Vars
      • R(a);CHECK::B(B)+S(D)
      • B(d);CHECK::B(B)+S(D)
      • K(b);S_FLIGHT,XR(I)::B(B)+S(D),DCHECK
      • R(a);XP(E)::B(B)+S(D),XR(a)
      • R(c);::B(B)+S(D)
      • B(d);::B(B)+S(D)
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).