MESON Chess Problem Database

Problem Display
PID: 231279 (5K1k/4NP1p/4rnp1/4B1R1/8/8/8/5nR1 w - - 0 1)

van Dijk, Johannes

Noord-Hollandsch Dagblad, 1927

5K1k/4NP1p/4rnp1/4B1R1/8/8/8/5nR1

#2

6 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7
      • 2.Bxf6#
  • Keys
    • 1.Rh5!
      • threat
        • 2.Sxg6#
      • 1...Rxe7
        • 2.Bxf6#
      • 1...gxh5
        • 2.Rg8#
      • 1...h6
        • 2.Rxh6#
      • 1...g5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,XS(D)::B(B),XS(c)
  • Actual
    • R(C);P_PINP(e)
    • Threat
      • S(D),XP(d)
    • Vars
      • R(b);N_GUARD,XS(D)::B(B),XS(c)
      • P(d);N_SPINP(e),OGATE,XR(C)::R1(A)
      • P(e);OGATEB::R(C),XP(e)
      • P(d);::S(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).