MESON Chess Problem Database

Problem Display
PID: 195844 (k7/8/nK6/8/b2N4/3R4/R7/8 w - - 0 1)

Lincoln, Robert A

4th Comm., Problem-Forum, 2014

k7/8/nK6/8/b2N4/3R4/R7/8

#2

4 + 3

145 StrateGems 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6?
      • 1...Bxc6
        • 2.Rd8#
      • 1...Bd1
        • 2.Rxa6#
        • 2.Rd8#
      • 1...Bc2
        • 2.Rxa6#
        • 2.Rd8#
      • 1...Bb3
        • 2.Rxa6#
        • 2.Rd8#
      • 1...Bb5
        • 2.Rd8#
      • 1...Sb4
        • 2.Rd8#
      • 1...Sc5
        • 2.Rd8#
      • 1...Sc7
        • 2.Rd8#
      • 1...Sb8!
    • 1.Se6?
      • 1...Kb8
        • 2.Rd8#
      • 1...Sb8
        • 2.Sc7#
      • 1...Bd1
        • 2.Rd8#
      • 1...Bc2
        • 2.Rd8#
      • 1...Bb3
        • 2.Rd8#
      • 1...Bb5
        • 2.Rd8#
      • 1...Bc6
        • 2.Rd8#
      • 1...Be8
        • 2.Rd8#
      • 1...Sb4
        • 2.Rd8#
      • 1...Sc5
        • 2.Rd8#
      • 1...Sc7
        • 2.Rd8#
      • 1...Bd7!
  • Keys
    • 1.Sb5!
      • 1...Kb8
        • 2.Rd8#
      • 1...Bxb5
        • 2.Rd8#
      • 1...Bd1
        • 2.Rd8#
      • 1...Bc2
        • 2.Rd8#
      • 1...Bb3
        • 2.Rd8#
      • 1...Sb4
        • 2.Rd8#
      • 1...Sc5
        • 2.Rd8#
      • 1...Sc7
        • 2.Rd8#
      • 1...Sb8
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • B(a);P_SPINS(b),XS(C)::R(B)
        • B(a);P_SPINS(b)::R(B)
        • S(b);N_GUARD,P_SPINB(a)::R(B)
      • Refutation
        • S(b);P_SPINB(a)
    • Try
      • S(C);
      • Vars
        • K(c);P-FLIGHT::R(B)
        • S(b);N_GUARD,P_SPINB(a),SBLOCK::S(C)
        • B(a);P_SPINS(b)::R(B)
        • S(b);N_GUARD,P_SPINB(a)::R(B)
      • Refutation
        • B(a);P_SPINS(b)
  • Actual
    • S(C);
    • Vars
      • K(c);P-FLIGHT::R(B)
      • B(a);P_SPINS(b),XS(C)::R(B)
      • B(a);P_SPINS(b)::R(B)
      • S(b);N_GUARD,P_SPINB(a)::R(B)
      • S(b);N_GUARD,P_SPINB(a),SBLOCK::S(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).