MESON Chess Problem Database

Problem Display
PID: 170064 (6R1/3p1p1K/p2BbkpN/r5p1/r5p1/1p1N1B2/8/b4R2 w - - 0 1)

Arguelles Ferrer, Antonio Fernandez

Enroque!!, 1948

6R1/3p1p1K/p2BbkpN/r5p1/r5p1/1p1N1B2/8/b4R2

#2

7 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Bd5#
  • Tries
    • 1.Be4+?
      • 1...Rf5
        • 2.Sxg4#
      • 1...Bf5!
  • Keys
    • 1.Re8!
      • threat
        • 2.Be7#
      • 1...Bc4
        • 2.Bd5#
      • 1...Bd5
        • 2.Be4#
      • 1...Bf5
        • 2.Sg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD,S_CUTR(c)::R(A)+B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • R(e);P_SPINR(e)::S(E),XP(d)
      • Refutation
        • B(h);P_SPINB(h)
  • Actual
    • R(G);
    • Threat
      • B(D)
    • Vars
      • B(h);N_GUARD,S_CUTR(c)::R(A)+B(C)
      • B(h);N_GUARD,S_CUTR(e)::R(A)+B(C)
      • B(h);SBLOCK::S(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).