MESON Chess Problem Database

Problem Display
PID: 100720 (3n4/2p5/2BN4/n2Pk3/1P3p1B/2K5/3PP3/4Q3 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Narodni listy, 1909

3n4/2p5/2BN4/n2Pk3/1P3p1B/2K5/3PP3/4Q3

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qg3#
  • Keys
    • 1.e4!
      • 1...Kxd6
        • 2.e5#
      • 1...Saxc6
        • 2.Sc4#
      • 1...Sdxc6
        • 2.Sf7#
      • 1...cxd6
        • 2.d4#
      • 1...fxe4 ep
        • 2.Qg3#
      • 1...f3
        • 2.Qg3#
      • 1...Sb3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sab7
        • 2.Sc4#
      • 1...Se6
        • 2.Sf7#
      • 1...Sdb7
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAB(A)
  • Actual
    • P(C);
    • Vars
      • K(c);OGATE,S_FLIGHT,XS(I)::P(C)
      • S(b);N_GUARD,XB(H)::S(I)
      • S(e);N_GUARD,XB(H)::S(I)
      • P(d);SBLOCK,XS(I)::P(B)
      • P(a);EP,OGATEB,P_SPINP(a),XP(C)::QAB(A)
      • P(a);OGATEB::QAB(A)
      • S(b);N_GUARD::S(I)
      • S(b);N_GUARD::S(I),XS(b)
      • S(e);N_GUARD::S(I)
      • S(e);N_GUARD::S(I),XS(e)
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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).