MESON Chess Problem Database

Problem Display
PID: 255991 (b7/R1K5/N2p4/nkpQ4/p7/3P4/qp6/4B3 w - - 0 1)

Boswell, Edward

British Chess Magazine, 1933

b7/R1K5/N2p4/nkpQ4/p7/3P4/qp6/4B3

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Qc4#
    • 1...Sb7
      • 2.Qc6#
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Rxa5#
      • 1...Sb3
        • 2.Qc4#
      • 1...Sc4
        • 2.Sb7#
      • 1...Sc6
        • 2.Sb3#
      • 1...Sb7
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,S_CUTQ(a)::QAB1(C)
    • S(d);N_GUARD,S_CUTB(h)::QAB1(C)
  • Actual
    • S(D);XP(f)
    • Threat
      • R1(E),XS(d)
    • Vars
      • S(d);N_GUARD,S_CUTQ(a)::QAB1(C)
      • S(d);S_CUTQ(a)::QAR(C)+S(D)
      • S(d);S_CUTB(h)::QAR(C)+S(D)
      • S(d);N_GUARD,S_CUTB(h)::QAB1(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).