MESON Chess Problem Database

Problem Display
PID: 16045 (8/2K5/8/kBp5/P2p4/2p1p3/N3p3/n1R1B3 w - - 0 1)

Joseph, Fernand

Probleemblad, 2000

8/2K5/8/kBp5/P2p4/2p1p3/N3p3/n1R1B3

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Bxc3#
  • Tries
    • 1.Rxa1?
      • 1...d3
        • 2.Bxc3#
      • 1...c4!
  • Keys
    • 1.Rxc3!
      • threat
        • 2.Rc1#
        • 2.Rc2#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rd3#
        • 2.Rxe3#
        • 2.Rc4#
        • 2.Rxc5#
      • 1...dxc3
        • 2.Bxc3#
      • 1...Sc2
        • 2.Rxc2#
      • 1...Sb3
        • 2.Rxb3#
      • 1...d3
        • 2.Rxd3#
      • 1...c4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::B(B),XP(c)
  • Tries
    • Try
      • R(A);XS(a)
      • Vars
        • P(e);N_GUARD::B(B),XP(c)
      • Refutation
        • P(g);
  • Actual
    • R(A);XP(c)
    • Threat
      • DUALS(8)
    • Vars
      • P(e);OGATE,P_SPINP(e),XR(A)::B(B),XP(e)
      • S(a);::B(B)+R(A),XS(a)
      • P(e);::B(B)+R(A),XP(e)
      • P(g);::B(B)+R(A),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).