MESON Chess Problem Database

Problem Display
PID: 143384 (b5R1/2pkpp2/N7/br1pPP2/1p5B/1K3B2/2Q5/8 w - - 0 1)

Healey, Percy E

British Chess Magazine, 1894

b5R1/2pkpp2/N7/br1pPP2/1p5B/1K3B2/2Q5/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sb8#
    • 1...Rb6
      • 2.Qxc7#
    • 1...Rb8
      • 2.Sxb8#
    • 1...Bb6
      • 2.Sb8#
    • 1...Bb7
      • 2.Sb8#
    • 1...e6
      • 2.Rd8#
  • Tries
    • 1.e6+?
      • 1...Kd6
        • 2.Bg3#
      • 1...fxe6!
  • Keys
    • 1.Qc5!
      • 1...Rxc5
        • 2.Sb8#
      • 1...Rb7
        • 2.Qxd5#
      • 1...Rb6
        • 2.Qxc7#
      • 1...Rb8
        • 2.Sxb8#
      • 1...Bb6
        • 2.Sb8#
      • 1...Bc6
        • 2.Qxe7#
      • 1...Bb7
        • 2.Sb8#
      • 1...d4
        • 2.Qxe7#
      • 1...c6
        • 2.Qxe7#
      • 1...e6
        • 2.Rd8#
      • 1...f6
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(G)
    • R(c);S_CUTB(b)::QAR1(A),XP(e)
    • R(c);N_GUARD::S(G),XR(c)
    • B(b);S_CUTR(c)::S(G)
    • B(i);S_CUTR(c)::S(G)
    • P(g);::R1(H)
  • Tries
    • Try
      • P(E);CHECK
      • Vars
        • K(f);P-FLIGHT::B(D)
      • Refutation
        • P(h);XP(E)
  • Actual
    • Q(A);
    • Vars
      • R(c);N_GUARD,XQ(A)::S(G)
      • R(c);N_GUARD,S_CUTB(i)::QAR2(A),XP(d)
      • R(c);S_CUTB(b)::QAR1(A),XP(e)
      • R(c);N_GUARD::S(G),XR(c)
      • B(b);S_CUTR(c)::S(G)
      • B(i);SBLOCK::QAR1(A),XP(g)
      • B(i);S_CUTR(c)::S(G)
      • P(d);::QAR1(A),XP(g)
      • P(e);SBLOCK::QAR1(A),XP(g)
      • P(g);::R1(H)
      • P(h);N_GUARD::P(E)
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).