MESON Chess Problem Database

Problem Display
PID: 150424 (n1b2B2/bq4p1/6p1/1R4N1/3kpP2/N2p3B/3K1P2/8 w - - 0 1)

Branch, William Shelley

Good Companions (October), 1914

n1b2B2/bq4p1/6p1/1R4N1/3kpP2/N2p3B/3K1P2/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Sxe6#
    • 1...Bd7
      • 2.Bxg7#
    • 1...Sc7
      • 2.Bxg7#
    • 1...e3+
      • 2.fxe3#
  • Keys
    • 1.Be6!
      • 1...e3+
        • 2.fxe3#
      • 1...Qxb5
        • 2.Sxb5#
      • 1...Bxe6
        • 2.Sxe6#
      • 1...Qd5
        • 2.Rxd5#
      • 1...Qa6
        • 2.Bxg7#
        • 2.Rd5#
      • 1...Qc6
        • 2.Bxg7#
      • 1...Qb6
        • 2.Bxg7#
        • 2.Rd5#
      • 1...Qc7
        • 2.Rd5#
      • 1...Qd7
        • 2.Rb4#
      • 1...Qe7
        • 2.Rd5#
      • 1...Qf7
        • 2.Rb4#
        • 2.Rd5#
      • 1...Qb8
        • 2.Rd5#
      • 1...Bc5
        • 2.Bxc5#
      • 1...Bb6
        • 2.Rb4#
      • 1...Bb8
        • 2.Bc5#
      • 1...Bd7
        • 2.Bxg7#
      • 1...Sb6
        • 2.Bc5#
      • 1...Sc7
        • 2.Bxg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(i);N_GUARD::S(G),XB(i)
    • B(i);S_CUTQ(f)::B(H),XP(g)
    • S(h);S_CUTQ(f)::B(H),XP(g)
    • P(c);CHECK,OGATE::P(B),XP(c)
  • Actual
    • B(D);
    • Vars
      • P(c);CHECK,OGATE::P(B),XP(c)
      • Q(f);XR(F)::S(C),XQ(f)
      • B(i);XB(D)::S(G),XB(i)
      • Q(f);N_GUARD::R1(F),XQ(f)
      • Q(f);N_GUARD::B(H),XP(g)
      • Q(f);N_GUARD::R1(F)
      • Q(f);N_GUARD::R(F)
      • B(e);N_GUARD::B(H),XB(e)
      • B(e);S_CUTQ(f)::R(F)
      • B(e);N_GUARD::B(H)
      • B(i);S_CUTQ(f)::B(H),XP(g)
      • S(h);S_CUTB(e)::B(H)
      • S(h);S_CUTQ(f)::B(H),XP(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).