MESON Chess Problem Database

Problem Display
PID: 67439 (bN1rq3/rnp5/3bn3/p1R5/pk5p/2R3P1/8/4BB1K w - - 0 1)

Velimirovic, Milan

Variantim, 2005

bN1rq3/rnp5/3bn3/p1R5/pk5p/2R3P1/8/4BB1K

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Rxb5#
    • 1...Qh5
      • 2.Sc6#
    • 1...Qc6+
      • 2.Sxc6#
    • 1...Qg6
      • 2.Sc6#
      • 2.Rb5#
    • 1...Qf7
      • 2.Sc6#
      • 2.Rb5#
    • 1...Qe7
      • 2.Sc6#
      • 2.Rb5#
    • 1...Qf8
      • 2.Sc6#
      • 2.Rb5#
    • 1...Qg8
      • 2.Sc6#
      • 2.Rb5#
    • 1...Qh8
      • 2.Sc6#
      • 2.Rb5#
    • 1...Ra6
      • 2.Sxa6#
    • 1...Rd7
      • 2.Sc6#
      • 2.Rb5#
    • 1...Sexc5
      • 2.Re3#
    • 1...Sbxc5+
      • 2.Rf3#
  • Keys
    • 1.Ba6!
      • threat
        • 2.R5c4#
      • 1...Qc6+
        • 2.Sxc6#
      • 1...Sbxc5+
        • 2.Rf3#
      • 1...Rxa6
        • 2.Sxa6#
      • 1...Bxc5
        • 2.Rd3#
      • 1...Sexc5
        • 2.Re3#
      • 1...Qb5
        • 2.Rxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(l);N_GUARD::R1(F),XQ(l)
    • Q(l);N_GUARD::S(G)
    • Q(l);CHECK,N_GUARD::S(G),XQ(l)
    • R(g);N_GUARD::S(G),XR(g)
    • S(f);SBLOCK,XR(F)::B(A)+R(D)
    • S(h);CHECK,SBLOCK,XR(F)::B(A)+R(D)
  • Actual
    • B(B);
    • Threat
      • R1(F)
    • Vars
      • Q(l);CHECK,N_GUARD::S(G),XQ(l)
      • S(h);CHECK,SBLOCK,XR(F)::B(A)+R(D)
      • R(g);XB(B)::S(G),XR(g)
      • B(e);SBLOCK,XR(F)::B(A)+R(D)
      • S(f);SBLOCK,XR(F)::B(A)+R(D)
      • Q(l);N_GUARD::R1(F),XQ(l)
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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).