MESON Chess Problem Database

Problem Display
PID: 4589 (Q7/8/K2PN3/4kP1r/3pN3/2p2Bb1/2P3r1/4R3 w - - 0 1)

Laws, Benjamin Glover

2nd Prize, Burnley Express, 1880-1881

Q7/8/K2PN3/4kP1r/3pN3/2p2Bb1/2P3r1/4R3

#2

9 + 6

5689 The Chess Monthly (Hoffer) 1881
3316 Chess Problem Text Book 1887
3571 An English Bohemian 1933
56 The Problemist 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2+?
      • 1...Kxd6
        • 2.Qd8#
      • 1...Kf6
        • 2.Qf8#
      • 1...Kxf5!
    • 1.Sxg3+?
      • 1...Kxd6
        • 2.Qd8#
      • 1...Kf6
        • 2.Qf8#
      • 1...Re2!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qa5#
      • 1...Kd5
        • 2.Sd2#
      • 1...Kxf5
        • 2.Qf6#
      • 1...Rxf5
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);S_FLIGHT,XP(G)::QAR2(I)
        • K(e);S_FLIGHT::QAR2(I)
      • Refutation
        • K(e);P-FLIGHT,XP(E)
    • Try
      • S(D);CHECK,XB(c)
      • Vars
        • K(e);S_FLIGHT,XP(G)::QAR2(I)
        • K(e);S_FLIGHT::QAR2(I)
      • Refutation
        • R(a);P_SPINR(a)
  • Actual
    • Q(I);
    • Threat
      • QAR(I)
    • Vars
      • K(e);P-FLIGHT::B(C)+S(D)
      • K(e);P-FLIGHT,XP(E)::QAR1(I)
      • R(f);SBLOCK,XP(E)::R(A)+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).