MESON Chess Problem Database

Problem Display
PID: 260829 (8/Q7/6KB/2ppP1N1/3k4/P2P1Pp1/3R2P1/8 w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1891

8/Q7/6KB/2ppP1N1/3k4/P2P1Pp1/3R2P1/8

#2

10 + 4

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Se6#
  • Tries
    • 1.Kf5?
      • 1...Ke3
        • 2.Se6#
      • 1...Kc3!
    • 1.Kf6?
      • 1...Ke3
        • 2.Se6#
      • 1...Kc3!
    • 1.Qb8?
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Se6#
      • 1...c4!
  • Keys
    • 1.Qb6!
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Se6#
      • 1...Kxe5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT::B(I)+S(G)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(I)+S(G)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(I)+S(G)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • Q(J);N_PINP(c)
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(J)
        • K(b);N_GUARD,S_FLIGHT::B(I)+S(G)
      • Refutation
        • P(c);
  • Actual
    • Q(J);
    • Vars
      • K(b);N_GUARD,N_SPINP(c),S_FLIGHT::QAB1(J)
      • K(b);N_GUARD,S_FLIGHT::B(I)+S(G)
      • K(b);N_SPINP(c),OGATEB,S_FLIGHT,XP(F)::QAB1(J)
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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).