MESON Chess Problem Database

Problem Display
PID: 53843 (1Q2qB2/2NPr3/pppr1p2/1bk3bR/2P3R1/P7/2NPB3/2K5 w - - 0 1)

Coombes, TA

Chess, 1943

1Q2qB2/2NPr3/pppr1p2/1bk3bR/2P3R1/P7/2NPB3/2K5

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Se6#
    • 1...Rd3
      • 2.Se6#
    • 1...Rd4
      • 2.Se6#
    • 1...Rd5
      • 2.Se6#
    • 1...Rde6
      • 2.Sxe6#
    • 1...Rdxd7
      • 2.Se6#
    • 1...Re3
      • 2.d4#
    • 1...Ba4
      • 2.Sxa6#
    • 1...Bxc4
      • 2.Rxc4#
  • Keys
    • 1.Sa1!
      • threat
        • 2.Sb3#
      • 1...Rxd2
        • 2.Se6#
      • 1...Rdxd7
        • 2.Se6#
      • 1...Bxc4
        • 2.Rxc4#
      • 1...Rd3
        • 2.Se6#
      • 1...Rd4
        • 2.Se6#
      • 1...Rd5
        • 2.Se6#
      • 1...Rde6
        • 2.Sxe6#
      • 1...Re3
        • 2.d4#
      • 1...Ba4
        • 2.Sxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD,P_SPINR(i),XP(C)::S(I)
    • R(g);N_GUARD,P_SPINR(i)::S(I)
    • R(g);N_GUARD,N_SPINB(c),P_SPINR(i)::S(I)
    • R(g);N_GUARD,P_SPINR(i)::S(I),XR(g)
    • R(g);N_GUARD,P_SPINR(i),XP(J)::S(I)
    • R(i);N_PINP(C),P_SPINR(g)::P(C)
    • B(a);N_GUARD::S(I),XP(d)
    • B(a);OGATE,XP(F)::R1(G),XB(a)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(g);N_GUARD,P_SPINR(i),XP(C)::S(I)
      • R(g);N_GUARD,P_SPINR(i),XP(J)::S(I)
      • B(a);OGATE,XP(F)::R1(G),XB(a)
      • R(g);N_GUARD,P_SPINR(i)::S(I)
      • R(g);N_GUARD,N_SPINB(c),P_SPINR(i)::S(I)
      • R(g);N_GUARD,P_SPINR(i)::S(I),XR(g)
      • R(i);N_PINP(C),P_SPINR(g)::P(C)
      • B(a);N_GUARD::S(I),XP(d)
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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).