MESON Chess Problem Database

Problem Display
PID: 103709 (1b6/p6q/K4PN1/2R2N2/4k3/2Pn4/2QP1R2/8 w - - 0 1)

Rowland, Thomas B

La Strategie, 1884

1b6/p6q/K4PN1/2R2N2/4k3/2Pn4/2QP1R2/8

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bf4
      • 2.Rxf4#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bd6
      • 2.Sxd6#
  • Keys
    • 1.Qb1!
      • 1...Qb7+
        • 2.Qxb7#
      • 1...Qxg6
        • 2.Qb7#
      • 1...Qg8
        • 2.Qh1#
      • 1...Qh1
        • 2.Qxh1#
        • 2.Qb7#
      • 1...Qh2
        • 2.Qb7#
      • 1...Qh3
        • 2.Qb7#
      • 1...Qh4
        • 2.Qb7#
      • 1...Qh5
        • 2.Qb7#
      • 1...Qh6
        • 2.Qb7#
      • 1...Qc7
        • 2.Qh1#
      • 1...Qd7
        • 2.Qh1#
      • 1...Qe7
        • 2.Qh1#
      • 1...Qf7
        • 2.Qh1#
      • 1...Qg7
        • 2.Qh1#
      • 1...Qh8
        • 2.Qb7#
      • 1...Bh2
        • 2.Qh1#
      • 1...Bg3
        • 2.Sxg3#
      • 1...Bf4
        • 2.Rxf4#
      • 1...Be5
        • 2.Rxe5#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Bc7
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::S(F),XB(e)
    • B(e);N_GUARD::R1(C),XB(e)
    • B(e);N_GUARD::R1(E),XB(e)
  • Actual
    • Q(A);
    • Vars
      • Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
      • Q(d);N_GUARD,P_PINP(H),XS(I)::QAB(A)
      • Q(d);N_GUARD::QAB(A)
      • B(e);S_CUTQ(d)::QAB(A)
      • B(e);N_GUARD::S(F),XB(e)
      • B(e);N_GUARD::R1(C),XB(e)
      • B(e);N_GUARD::R1(E),XB(e)
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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).