MESON Chess Problem Database

Problem Display
PID: 259654 (2N1B2b/8/1N4p1/2k2p1b/Pp1Rn3/3nP3/8/K5B1 w - - 0 1)

Brogi, Giuseppe

1st Prize, Sinfonie Scacchistiche, 1966

2N1B2b/8/1N4p1/2k2p1b/Pp1Rn3/3nP3/8/K5B1

#2

8 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4+
      • 2.exd4#
    • 1...Sb2
      • 2.Rd5#
    • 1...Se5
      • 2.Rd5#
    • 1...Sc3
      • 2.Rc4#
    • 1...Sf6
      • 2.Rc4#
  • Tries
    • 1.a5?
      • threat
        • 2.Sa4#
      • 1...Bxd4+
        • 2.exd4#
      • 1...Sb2
        • 2.Rd5#
      • 1...Sc3
        • 2.Rc4#
      • 1...Bd1!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Sd7#
      • 1...Bxd4+
        • 2.exd4#
      • 1...Se5
        • 2.Rd5#
      • 1...Sf6
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(h);CHECK,OGATE,XR(E)::P(C),XB(h)
    • S(a);N_PINR(E)::R1(E)
    • S(c);N_PINR(E)::R1(E)
  • Tries
    • Try
      • P(D);
      • Threat
        • S(F)
      • Vars
        • B(h);CHECK,OGATE,XR(E)::P(C),XB(h)
        • S(a);N_PINR(E)::R1(E)
        • S(c);N_PINR(E)::R1(E)
      • Refutation
        • B(f);
  • Actual
    • B(H);
    • Threat
      • S(F)
    • Vars
      • B(h);CHECK,OGATE,XR(E)::P(C),XB(h)
      • S(a);N_PINR(E)::R1(E)
      • S(c);N_PINR(E)::R1(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).