MESON Chess Problem Database

Problem Display
PID: 207750 (8/3N4/N3pq2/k7/3B4/1K3p2/8/5Bbb w - - 0 1)

Prins, Hendrik

The Problemist, 1984

8/3N4/N3pq2/k7/3B4/1K3p2/8/5Bbb

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qg5
      • 2.Bc3#
    • 1...Qd8
      • 2.Bc3#
    • 1...Qf5
      • 2.Bc3#
    • 1...Qg6
      • 2.Bc3#
    • 1...Qh6
      • 2.Bc3#
    • 1...Qf7
      • 2.Bc3#
    • 1...Bh2
      • 2.Bb6#
    • 1...f2
      • 2.Bb6#
    • 1...e5
      • 2.Bc3#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sc6#
      • 1...f2
        • 2.Bb6#
      • 1...e5!
  • Keys
    • 1.Sab8!
      • threat
        • 2.Sc6#
      • 1...f2
        • 2.Bb6#
      • 1...e5
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • Q(f);N_GUARD::B(C)
    • B(a);N_GUARD::B(C)
    • P(c);S_CUTB(a)::B(C)
    • P(e);S_CUTQ(f)::B(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(c);S_CUTB(a)::B(C)
      • Refutation
        • P(e);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(c);S_CUTB(a)::B(C)
      • P(e);S_CUTQ(f)::B(C)
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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).