MESON Chess Problem Database

Problem Display
PID: 260826 (2N4B/2pr4/6B1/2p5/K1kpP1n1/4pN2/1PP5/8 w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1887

2N4B/2pr4/6B1/2p5/K1kpP1n1/4pN2/1PP5/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.Bxf7#
    • 1...Sf2
      • 2.Se5#
    • 1...Sh2
      • 2.Se5#
    • 1...Se5
      • 2.Sxe5#
    • 1...Sf6
      • 2.Se5#
    • 1...Sh6
      • 2.Se5#
    • 1...e2
      • 2.Sd2#
    • 1...d3
      • 2.b3#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Bf7+?
      • 1...Rd5
        • 2.Bxd5#
      • 1...Rxf7!
  • Keys
    • 1.Be8!
      • 1...Rd5
        • 2.Bb5#
      • 1...Rd6
        • 2.Bb5#
      • 1...Re7
        • 2.Bb5#
      • 1...Rf7
        • 2.Bb5#
        • 2.Bxf7#
      • 1...Rg7
        • 2.Bb5#
      • 1...Rh7
        • 2.Bb5#
      • 1...Rd8
        • 2.Bb5#
      • 1...Sf2
        • 2.Se5#
      • 1...Sh2
        • 2.Se5#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sf6
        • 2.Se5#
      • 1...Sh6
        • 2.Se5#
      • 1...e2
        • 2.Sd2#
      • 1...d3
        • 2.b3#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(g);N_GUARD::B(F),XR(g)
    • S(d);N_GUARD::S(C)
    • S(d);N_GUARD::S(C),XS(d)
    • P(a);N_GUARD::S(C)
    • P(c);::P(A)
    • P(f);N_GUARD::S(G)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • R(g);N_GUARD,P_SPINR(g)::B(F),XR(g)
      • Refutation
        • R(g);XB(F)
  • Actual
    • B(F);
    • Vars
      • R(g);OGATE::B(F)
      • S(d);N_GUARD::S(C)
      • S(d);N_GUARD::S(C),XS(d)
      • P(a);N_GUARD::S(C)
      • P(c);::P(A)
      • P(f);N_GUARD::S(G)
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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).