MESON Chess Problem Database

Problem Display
PID: 265735 (q3R3/4b3/2r5/1N5Q/n5Pp/1B1N3K/R7/1k6 w - - 0 1)

Bielefeldt, German

Del Pozo, Rafael

Parcerisa-80 (Problemas), 2022

q3R3/4b3/2r5/1N5Q/n5Pp/1B1N3K/R7/1k6

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sa3#
    • 1...Rd6
      • 2.Sa3#
    • 1...Ba3
      • 2.Sxa3#
    • 1...Bc5
      • 2.Re1#
    • 1...Bg5
      • 2.Sa3#
    • 1...Bf6
      • 2.Sa3#
    • 1...Bd8
      • 2.Sa3#
    • 1...Sc5
      • 2.Sc3#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Sa3#
      • 1...Bxc5
        • 2.Re1#
      • 1...Sxc5
        • 2.Sc3#
      • 1...Sb2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sb6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(d);S_CUTB(e)::S(F)
    • B(e);N_GUARD::S(F),XB(e)
    • B(e);OGATE::R(H)
    • B(e);N_GUARD::S(F)
    • S(b);N_GUARD,S_CUTR(d)::S(F)
  • Actual
    • Q(G);
    • Threat
      • S(F)
    • Vars
      • B(e);OGATE,XQ(G)::R(H)
      • S(b);N_GUARD,XQ(G)::S(F)
      • S(b);N_GUARD::S(F)
      • S(b);N_GUARD::S(F),XS(b)
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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).