MESON Chess Problem Database

Problem Display
PID: 9492 (8/8/8/N1p5/1p6/B1N2R2/pPk2P2/R3K3 w Q - 0 1)

Meares, Noel

Melbourne Leader, 1904

8/8/8/N1p5/1p6/B1N2R2/pPk2P2/R3K3

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...bxc3
      • 2.Rxc3#
  • Tries
    • 1.Sd1?
      • 1...bxa3
        • 2.Rc3#
      • 1...b3
        • 2.Rc3#
      • 1...c4!
    • 1.Sa4?
      • 1...bxa3
        • 2.Rc3#
      • 1...b3
        • 2.Rc3#
      • 1...c4!
    • 1.Sb5?
      • 1...c4
        • 2.Sd4#
      • 1...b3
        • 2.Rc3#
      • 1...bxa3!
    • 1.Sd5?
      • 1...c4
        • 2.Sxb4#
      • 1...b3
        • 2.Rc3#
      • 1...bxa3!
    • 1.b3?
      • threat
        • 2.Rc1#
        • 2.Rxa2#
      • 1...bxc3
        • 2.Rc1#
      • 1...bxa3!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Rd2#
      • 1...Kxd3
        • 2.0-0-0#
      • 1...bxc3
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE,XS(F)::R1(G),XP(c)
  • Tries
    • Try
      • S(F);
      • Vars
        • P(c);N_GUARD,XB(E)::R1(G)
        • P(c);N_GUARD::R1(G)
      • Refutation
        • P(d);
    • Try
      • S(F);
      • Vars
        • P(c);N_GUARD,XB(E)::R1(G)
        • P(c);N_GUARD::R1(G)
      • Refutation
        • P(d);
    • Try
      • S(F);
      • Vars
        • P(d);N_GUARD::S(F)
        • P(c);N_GUARD::R1(G)
      • Refutation
        • P(c);XB(E)
    • Try
      • S(F);
      • Vars
        • P(d);N_GUARD::S(F),XP(c)
        • P(c);N_GUARD::R1(G)
      • Refutation
        • P(c);XB(E)
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(F)::R1(A)
      • Refutation
        • P(c);XB(E)
  • Actual
    • R(G);
    • Threat
      • R1(G)
    • Vars
      • K(b);S_FLIGHT,XR(G)::0-0-0
      • P(c);OGATE,XS(F)::R1(G),XP(c)
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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).