MESON Chess Problem Database

Problem Display
PID: 193829 (1q2rB2/3Nr3/8/3p4/1p1k1NQ1/1R1P4/B5P1/Kb6 w - - 0 1)

Stark, Erno

Pesti Naplo, 1916

1q2rB2/3Nr3/8/3p4/1p1k1NQ1/1R1P4/B5P1/Kb6

#2

9 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Bc5#
    • 1...Re2
      • 2.Bc5#
    • 1...Re3
      • 2.Se2#
      • 2.Se6#
      • 2.Bc5#
    • 1...Re4
      • 2.Bc5#
    • 1...Re5
      • 2.Bc5#
    • 1...Re6
      • 2.Bc5#
    • 1...Rf7
      • 2.Bc5#
    • 1...Rg7
      • 2.Bc5#
    • 1...Rh7
      • 2.Bc5#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Se2#
      • 1...Qxf4
        • 2.Qb6#
      • 1...Rxe6
        • 2.Bc5#
      • 1...Bxd3
        • 2.Rxd3#
      • 1...Qe5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(e);OGATE::B(I)
  • Actual
    • Q(G);
    • Threat
      • S(F)
    • Vars
      • Q(f);N_GUARD,XS(F)::QAB(G)
      • R(e);OGATE,XQ(G)::B(I)
      • B(a);OGATE,XP(E)::R1(D),XB(a)
      • Q(f);N_GUARD::QAB(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).