MESON Chess Problem Database

Problem Display
PID: 152177 (1NqkNb1n/2RpRPp1/6p1/P2K2P1/1Q3B2/8/8/8 w - - 0 1)

Bailey, JL

1st Prize, Good Companions (May First Attempt Ty.), 1915

1NqkNb1n/2RpRPp1/6p1/P2K2P1/1Q3B2/8/8/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qa6
      • 2.Rexd7#
    • 1...Qxb8
      • 2.Rexd7#
    • 1...d6
      • 2.Sc6#
  • Keys
    • 1.Sd6!
      • 1...Qb7+
        • 2.Sxb7#
      • 1...Kxc7
        • 2.Sb7#
        • 2.Qb6#
      • 1...Kxe7
        • 2.Sc6#
      • 1...Qxc7
        • 2.Re8#
      • 1...Qxb8
        • 2.Rcxd7#
        • 2.Rexd7#
      • 1...Bxe7
        • 2.Rxc8#
      • 1...Sxf7
        • 2.Sxf7#
      • 1...Qa6
        • 2.Rcxd7#
        • 2.Rexd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • Q(d);N_GUARD::R1(G),XP(b)
    • Q(d);N_GUARD,XS(I)::R1(G),XP(b)
    • P(b);N_GUARD::S(I)
  • Actual
    • S(J);
    • Vars
      • Q(d);CHECK,N_GUARD::S(J),XQ(d)
      • K(e);P_SPINP(b),S_FLIGHT,XR(G)::S(I)
      • Q(d);SBLOCK,XR(F)::R1(G)
      • B(f);SBLOCK,XR(G)::R1(F),XQ(d)
      • S(g);XP(H)::S(J),XS(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).