MESON Chess Problem Database

Problem Display
PID: 97550 (1B1n4/N6b/8/3k4/2R1R2b/1P3P1B/6p1/1K2n3 w - - 0 1)

Brogi, Giuseppe

Problemas, 1969

1B1n4/N6b/8/3k4/2R1R2b/1P3P1B/6p1/1K2n3

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4+
      • 2.fxe4#
    • 1...Bg8
      • 2.Red4#
      • 2.Re5#
    • 1...Sc2
      • 2.Re5#
    • 1...Sd3
      • 2.Red4#
    • 1...Sc6
      • 2.Be6#
    • 1...Se6
      • 2.Bxe6#
    • 1...Sb7
      • 2.Be6#
    • 1...Sf7
      • 2.Be6#
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sc3#
      • 1...Bxe4+
        • 2.fxe4#
      • 1...Bf6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sb4#
      • 1...Bxe4+
        • 2.fxe4#
      • 1...Sxc6
        • 2.Be6#
      • 1...Be7
        • 2.Sxe7#
      • 1...Sc2
        • 2.Re5#
      • 1...Sd3
        • 2.Red4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(e);CHECK,OGATE,XR(F)::P(C),XB(e)
    • S(a);N_PINR(F)::R1(F)
    • S(f);N_GUARD::B(D)
    • S(f);N_GUARD::B(D),XS(f)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • B(e);CHECK,OGATE,XR(F)::P(C),XB(e)
      • Refutation
        • B(c);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(e);CHECK,OGATE,XR(F)::P(C),XB(e)
      • S(f);N_GUARD,XS(G)::B(D)
      • B(c);N_GUARD::S(G),XB(c)
      • S(a);N_PINR(F)::R1(F)
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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).