MESON Chess Problem Database

Problem Display
PID: 56452 (1B1R4/3N4/1N3P2/2R1pr2/r2k4/5p2/n4K2/1B6 w - - 0 1)

Brogi, Giuseppe

6th Prize=, Centurini Ty. (L'Italia Scacchistica), 1921

1B1R4/3N4/1N3P2/2R1pr2/r2k4/5p2/n4K2/1B6

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Rc4#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Ra5
      • 2.Rc4#
    • 1...Ra6
      • 2.Rc4#
    • 1...Ra7
      • 2.Rc4#
    • 1...Ra8
      • 2.Rc4#
    • 1...Rf4
      • 2.Bxe5#
    • 1...Rxf6
      • 2.Bxe5#
    • 1...Sb4
      • 2.Rc4#
  • Tries
    • 1.Rc6?
      • threat
        • 2.Sxe5#
        • 2.Sf8#
      • 1...Rxf6
        • 2.Sxf6#
        • 2.Bxe5#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Ra5
        • 2.Rc4#
      • 1...Ra7
        • 2.Rc4#
      • 1...Sb4
        • 2.Rc4#
      • 1...e4
        • 2.Se5#
      • 1...Sc3!
    • 1.Rcc8?
      • threat
        • 2.Sxe5#
        • 2.Sf8#
      • 1...Rxf6
        • 2.Sxf6#
        • 2.Bxe5#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Ra5
        • 2.Rc4#
      • 1...Ra7
        • 2.Rc4#
      • 1...Sb4
        • 2.Rc4#
      • 1...e4
        • 2.Se5#
      • 1...Sc3!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Sc5#
      • 1...Kd3
        • 2.Sc5#
      • 1...Ke4
        • 2.Rc4#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Ra7
        • 2.Rc4#
      • 1...Sc3
        • 2.Rd2#
      • 1...Sb4
        • 2.Rc4#
      • 1...e4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::R1(C)
    • R(c);N_GUARD::R1(C),XR(c)
    • R(f);N_GUARD::B(G),XP(e)
    • R(f);N_GUARD,XP(E)::B(G),XP(e)
    • S(a);S_CUTR(c)::R1(C)
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_GUARD::R1(C),XR(c)
        • R(c);N_GUARD::R1(C)
        • S(a);S_CUTR(c)::R1(C)
        • P(e);::R(H)+S(F)
      • Refutation
        • S(a);
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_GUARD::R1(C),XR(c)
        • R(c);N_GUARD::R1(C)
        • S(a);S_CUTR(c)::R1(C)
        • P(e);::R(H)+S(F)
      • Refutation
        • S(a);
  • Actual
    • R(C);
    • Threat
      • R(H)+S(F)
    • Vars
      • K(d);P-FLIGHT::R(H)+S(F),DCHECK
      • K(d);P-FLIGHT::B(A)+R(C),DCHECK
      • R(f);XP(E)::R(H)+S(F),XR(f)
      • R(c);N_GUARD::R1(C),XR(c)
      • R(c);N_GUARD::R1(C)
      • S(a);SBLOCK::R(C)
      • S(a);S_CUTR(c)::R1(C)
      • P(e);SBLOCK::R(H)+S(F)
HTML5 logo

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).