MESON Chess Problem Database

Problem Display
PID: 204599 (Bq6/8/b3p3/2p5/P1k1P3/P2NP3/3P3p/2N4K w - - 0 1)

Bartel, Erich

Augsburger Allgemeine Zeitung, 1960

Bq6/8/b3p3/2p5/P1k1P3/P2NP3/3P3p/2N4K

#2

9 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Sb2#
    • 1...Qf4
      • 2.Sb2#
    • 1...Qe5
      • 2.Sxe5#
    • 1...Qd6
      • 2.Sb2#
    • 1...Qa7
      • 2.Sb2#
      • 2.Se5#
    • 1...Qc7
      • 2.Sb2#
    • 1...Qb1
      • 2.Se5#
    • 1...Qb2
      • 2.Sxb2#
    • 1...Qb3
      • 2.Se5#
    • 1...Qb4
      • 2.Se5#
    • 1...Qb5
      • 2.Se5#
    • 1...Qb6
      • 2.Se5#
    • 1...Qb7
      • 2.Se5#
    • 1...Qxa8
      • 2.Sb2#
      • 2.Se5#
    • 1...Qc8
      • 2.Sb2#
      • 2.Se5#
    • 1...Qd8
      • 2.Sb2#
      • 2.Se5#
    • 1...Qe8
      • 2.Sb2#
      • 2.Se5#
    • 1...Qf8
      • 2.Sb2#
      • 2.Se5#
    • 1...Qg8
      • 2.Sb2#
      • 2.Se5#
    • 1...Bb5
      • 2.Sb2#
    • 1...Bb7
      • 2.Sb2#
    • 1...e5
      • 2.Bd5#
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sb2#
      • 1...Qxb7
        • 2.Se5#
      • 1...Qe5
        • 2.Sxe5#
        • 2.Bxa6#
      • 1...Qh8
        • 2.Bxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 14
  • Sets
    • Q(f);N_GUARD::S(E)
    • Q(f);N_GUARD::S(E),XQ(f)
    • Q(f);N_GUARD,P_PINS(A)::S(E)
    • Q(f);N_GUARD,P_PINP(H)::S(E)
    • B(d);S_CUTQ(f)::S(E)
    • B(d);P_PINP(H),S_CUTQ(f)::S(E)
    • P(e);N_GUARD::B(I)
  • Actual
    • B(I);
    • Threat
      • S(E)
    • Vars
      • Q(f);N_GUARD,P_PINP(H),XB(I)::S(E)
      • Q(f);N_GUARD::B(I),XB(d)
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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).