MESON Chess Problem Database

Problem Display
PID: 186715 (1N1b4/5pn1/8/2Pk1bRp/1P1N4/5p1B/1BQ5/1K6 w - - 0 1)

Henry, S

Chess, 1960

1N1b4/5pn1/8/2Pk1bRp/1P1N4/5p1B/1BQ5/1K6

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rxf5#
    • 1...Se8
      • 2.Rxf5#
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4#
      • 1...Kxe6
        • 2.Qe4#
      • 1...Bxg5
        • 2.Sc7#
      • 1...Sxe6
        • 2.Rxf5#
      • 1...fxe6
        • 2.Qd3#
      • 1...Bc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(f);N_GUARD::R(H),XB(c)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(b);S_FLIGHT,XS(F)::QAR2(C)
      • B(g);N_GUARD,N_SPINB(c),XR(H)::S(F)
      • S(f);N_GUARD,SBLOCK,XS(F)::R(H),XB(c)
      • P(e);SBLOCK,XS(F)::QAR2(C)
      • B(g);N_GUARD::S(F),XB(g)
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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).