MESON Chess Problem Database

Problem Display
PID: 62466 (5n2/1K5B/1N3R2/4k1P1/4r1p1/2P3P1/1B6/8 w - - 0 1)

Papot, AP

Tijdschrift vd NSB, 1896

5n2/1K5B/1N3R2/4k1P1/4r1p1/2P3P1/1B6/8

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.c4#
    • 1...Ra4
      • 2.c4#
    • 1...Rb4
      • 2.cxb4#
    • 1...Rd4
      • 2.cxd4#
    • 1...Rf4
      • 2.gxf4#
  • Keys
    • 1.Kc6!
      • 1...Rc4+
        • 2.Sxc4#
      • 1...Sxh7
        • 2.Sd7#
      • 1...Re1
        • 2.Sc4#
        • 2.c4#
      • 1...Re2
        • 2.Sc4#
      • 1...Re3
        • 2.Sc4#
      • 1...Ra4
        • 2.c4#
      • 1...Rb4
        • 2.cxb4#
      • 1...Rd4
        • 2.cxd4#
      • 1...Rf4
        • 2.gxf4#
      • 1...Se6
        • 2.Sd7#
        • 2.Rf5#
      • 1...Sg6
        • 2.Sd7#
      • 1...Sd7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::B(A)+P(B)
    • R(a);OGATE,P_PINS(E)::B(A)+P(B),XR(a)
    • R(a);OGATE::P(B),XR(a)
    • R(a);OGATE::P(C),XR(a)
  • Actual
    • K(G);S_FLIGHT
    • Vars
      • R(a);CHECK,N_GUARD::S(E),XR(a)
      • S(d);N_GUARD,XB(H)::S(E)
      • R(a);N_GUARD::S(E)
      • R(a);N_GUARD::B(A)+P(B)
      • R(a);OGATE::B(A)+P(B),XR(a)
      • R(a);OGATE::P(B),XR(a)
      • R(a);OGATE::P(C),XR(a)
      • S(d);N_GUARD::S(E)
      • S(d);N_GUARD::S(E),XS(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).