MESON Chess Problem Database

Problem Display
PID: 182302 (3r4/5PKp/4k2P/1P1R1N2/3P4/5P2/B7/8 w - - 0 1)

van Dijk, Johannes

Schaakbladet, 1906

3r4/5PKp/4k2P/1P1R1N2/3P4/5P2/B7/8

#2

9 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.f8S#
    • 1...Rd7
      • 2.Re5#
    • 1...Re8
      • 2.fxe8Q#
      • 2.fxe8R#
    • 1...Rg8+
      • 2.fxg8Q#
      • 2.fxg8B#
  • Keys
    • 1.Bb1!
      • 1...Rg8+
        • 2.fxg8Q#
        • 2.fxg8B#
      • 1...Kxd5
        • 2.Ba2#
      • 1...Rxd5
        • 2.f8S#
      • 1...Rd6
        • 2.Rxd6#
      • 1...Rd7
        • 2.Re5#
      • 1...Ra8
        • 2.Rd6#
      • 1...Rb8
        • 2.Rd6#
      • 1...Rc8
        • 2.Rd6#
      • 1...Re8
        • 2.Rd6#
      • 1...Rf8
        • 2.Rd6#
      • 1...Rh8
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::P=S
    • R(c);P_PINP(H),SBLOCK::B(A)+R(E),DCHECK
    • R(c);OGATE::PXR(c)=Q
    • R(c);CHECK,OGATE::PXR(c)=Q
  • Actual
    • B(A);
    • Vars
      • R(c);CHECK,OGATE::PXR(c)=Q
      • K(a);OGATEB,S_FLIGHT,XR(E)::B(A)
      • R(c);N_GUARD,SBLOCK,XR(E)::P=S
      • R(c);N_GUARD::R1(E),XR(c)
      • R(c);P_PINP(H),SBLOCK::R1(E)
      • R(c);N_GUARD::R1(E)
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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).