MESON Chess Problem Database

Problem Display
PID: 260701 (Q7/3b4/8/3pp2B/p3k3/4p3/4N1P1/3K4 w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1890

Q7/3b4/8/3pp2B/p3k3/4p3/4N1P1/3K4

#2

5 + 6

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxd5#
    • 1...Bb5
      • 2.Bg6#
    • 1...Bc6
      • 2.Bg6#
  • Tries
    • 1.Bf3+?
      • 1...Kd3
        • 2.Qxd5#
      • 1...Kf5!
    • 1.Qb7?
      • threat
        • 2.Qb1#
      • 1...Kd3
        • 2.Qxd5#
      • 1...Bb5
        • 2.Bg6#
        • 2.Qh7#
      • 1...Kf5!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qc2#
      • 1...Kd3
        • 2.Qxd5#
        • 2.Qc2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Bxc6
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(c);N_GUARD,N_SPINP(d),S_FLIGHT::QAR2(E),XP(d)
    • B(f);N_GUARD::B(D)
    • B(f);N_GUARD,N_SPINP(d)::B(D)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(c);N_GUARD,N_SPINP(d),S_FLIGHT::QAR2(E),XP(d)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • K(c);N_GUARD,N_SPINP(d),S_FLIGHT::QAR2(E),XP(d)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • K(c);N_SPINP(d),S_CUTB(f),S_FLIGHT::QAB1(E)
      • B(f);N_GUARD,N_SPINP(d),XQ(E)::B(D)
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).