Problem Display
PID: 2156 (8/6pb/1Np1P3/6Q1/2n1k1P1/6P1/4K1n1/B3b2N w - - 0 1)

Cameron, William E

Source?, 0000

8/6pb/1Np1P3/6Q1/2n1k1P1/6P1/4K1n1/B3b2N

#2

8 + 7


1679 American Chess Nuts 1868

SOLUTION


  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sf2#
    • 1...Bf2
      • 2.Sxf2#
    • 1...Bxg3
      • 2.Sxg3#
    • 1...Bb4
      • 2.Sf2#
    • 1...Ba5
      • 2.Sf2#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bg6
      • 2.Qxg6#
    • 1...Bg8
      • 2.Qf5#
      • 2.Qg6#
    • 1...Sge3
      • 2.Qf4#
    • 1...Sf4+
      • 2.Qxf4#
    • 1...Sh4
      • 2.Qf4#
    • 1...Sd2
      • 2.Qe5#
    • 1...Sa3
      • 2.Qe5#
    • 1...Sce3
      • 2.Qe5#
    • 1...Sa5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sxb6
      • 2.Qe5#
    • 1...Sd6
      • 2.Qe5#
    • 1...c5
      • 2.Qd5#
  • Keys
    • 1.Bxg7!
      • 1...Sf4+
        • 2.Qxf4#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...Sxb6
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Bd2
        • 2.Sf2#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Bc3
        • 2.Sf2#
      • 1...Bb4
        • 2.Sf2#
      • 1...Ba5
        • 2.Sf2#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bg6
        • 2.Qxg6#
      • 1...Bg8
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sge3
        • 2.Qf4#
      • 1...Sh4
        • 2.Qf4#
      • 1...Sb2
        • 2.Qe5#
      • 1...Sd2
        • 2.Qe5#
      • 1...Sa3
        • 2.Qe5#
      • 1...Sce3
        • 2.Qe5#
      • 1...Sa5
        • 2.Qe5#
      • 1...Sd6
        • 2.Qe5#
      • 1...c5
        • 2.Qd5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::S(B)
    • B(a);N_GUARD::S(B),XB(a)
    • B(a);XP(D)::S(B),XB(a)
    • B(g);N_GUARD::QAB1(F),XB(g)
    • B(g);N_GUARD::QAB(F),XB(g)
    • S(b);N_GUARD::QAR1(F)
    • S(b);CHECK,N_GUARD::QAR1(F),XS(b)
    • S(c);N_GUARD::QAR1(F)
    • S(c);N_GUARD::QAR1(F),XS(c)
    • S(c);N_GUARD,XS(G)::QAR1(F)
    • P(e);N_GUARD::QAB1(F)
  • Actual
    • B(A);XP(f)
    • Vars
      • S(b);CHECK,N_GUARD::QAR1(F),XS(b)
      • B(a);XP(D)::S(B),XB(a)
      • S(c);N_GUARD,XS(G)::QAR1(F)
      • S(c);N_GUARD::QAR1(F),XS(c)
      • B(a);N_GUARD::S(B)
      • B(a);N_GUARD::S(B),XB(a)
      • B(g);N_GUARD::QAB1(F),XB(g)
      • B(g);N_GUARD::QAB(F),XB(g)
      • S(b);N_GUARD::QAR1(F)
      • S(c);N_GUARD::QAR1(F)
      • P(e);N_GUARD::QAB1(F)


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).