MESON Chess Problem Database

Problem Display
PID: 149003 (1Brbb3/N1pkq2R/4p3/8/nQ4B1/K7/8/8 w - - 0 1)

Guidelli, Giorgio

4th HM., Good Companions (May), 1918

1Brbb3/N1pkq2R/4p3/8/nQ4B1/K7/8/8

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qd4#
    • 1...c5
      • 2.Qd2#
    • 1...c6
      • 2.Qd6#
  • Keys
    • 1.Bf3!
      • threat
        • 2.Bc6#
      • 1...Sc5
        • 2.Qd4#
      • 1...e5
        • 2.Bg4#
      • 1...c5
        • 2.Qd2#
      • 1...c6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_PINQ(B)::QAR(B)
    • P(c);N_PINQ(B)::QAR(B)
    • P(c);N_GUARD::QAR1(B)
  • Actual
    • B(C);N_PINP(b)
    • Threat
      • B(C)
    • Vars
      • S(a);N_PINQ(B)::QAR(B)
      • P(b);OGATEB::B(C)
      • P(c);N_PINQ(B)::QAR(B)
      • P(c);N_GUARD::QAR1(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).