MESON Chess Problem Database

Problem Display
PID: 61744 (4K3/8/2p1k3/2np2P1/6P1/1B6/4P2B/2R5 w - - 0 1)

Schuite, FHH

Tijdschrift vd NSB, 1895

4K3/8/2p1k3/2np2P1/6P1/1B6/4P2B/2R5

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb3
      • 2.Rxc6#
    • 1...Sd3
      • 2.Rxc6#
    • 1...Sa4
      • 2.Rxc6#
    • 1...Sa6
      • 2.Rxc6#
    • 1...Sd7
      • 2.Rxc6#
  • Tries
    • 1.Rc3?
      • 1...Sxb3
        • 2.Re3#
        • 2.Rxc6#
      • 1...Sd3
        • 2.Rxc6#
      • 1...Sa4
        • 2.Re3#
        • 2.Rxc6#
      • 1...Sa6
        • 2.Re3#
        • 2.Rxc6#
      • 1...Sb7
        • 2.Re3#
      • 1...Sd7
        • 2.Rxc6#
      • 1...Se4!
  • Keys
    • 1.Rc4!
      • 1...Sxb3
        • 2.Rxc6#
      • 1...dxc4
        • 2.Bxc4#
      • 1...d4
        • 2.Rxc5#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sd3
        • 2.Rxc6#
      • 1...Sa4
        • 2.Re4#
        • 2.Rxc6#
      • 1...Sa6
        • 2.Re4#
        • 2.Rxc6#
      • 1...Sb7
        • 2.Re4#
      • 1...Sd7
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(a);N_SPINP(b),OGATE,XB(D)::R(A),XP(c)
    • S(a);OGATE::R(A),XP(c)
  • Tries
    • Try
      • R(A);
      • Vars
        • S(a);OGATE::R(A),XP(c)
        • S(a);N_GUARD::R(A)
      • Refutation
        • S(a);
  • Actual
    • R(A);N_PINP(b)
    • Vars
      • S(a);OGATE,XB(D)::R(A),XP(c)
      • P(b);OGATE,P_SPINP(b),XR(A)::B(D),XP(b)
      • P(b);OGATEB::B(D)+R(A),XS(a)
      • S(a);N_GUARD::R(A),XS(a)
      • S(a);OGATE::R(A),XP(c)
      • S(a);N_GUARD::R(A)
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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).