MESON Chess Problem Database

Problem Display
PID: 81761 (5n2/2p1B1pr/6pN/2P1k1P1/5N1n/2bPPP1B/b7/5K2 w - - 0 1)

Armeni, Alberto

Problem Observer, 2009

5n2/2p1B1pr/6pN/2P1k1P1/5N1n/2bPPP1B/b7/5K2

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sf7#
    • 1...Bf7
      • 2.Sxf7#
    • 1...Be1
      • 2.d4#
    • 1...Bd2
      • 2.d4#
    • 1...Bb4
      • 2.d4#
    • 1...Ba5
      • 2.d4#
    • 1...Sf5
      • 2.Sg4#
    • 1...Se6
      • 2.Sf7#
    • 1...c6
      • 2.Bd6#
    • 1...gxh6
      • 2.Bf6#
  • Keys
    • 1.Bd8!
      • threat
        • 2.Bxc7#
      • 1...gxh6
        • 2.Bf6#
      • 1...Ba5
        • 2.d4#
      • 1...Sf5
        • 2.Sg4#
      • 1...Se6
        • 2.Sf7#
      • 1...c6
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::S(I)
    • B(a);N_GUARD::S(I),XB(a)
    • B(b);N_GUARD::P(B)
    • S(c);SBLOCK::S(I)
    • S(i);S_CUTB(a)::S(I)
    • P(f);N_GUARD::B(J)
    • P(g);N_GUARD,XS(I)::B(J)
  • Actual
    • B(J);
    • Threat
      • B(J),XP(f)
    • Vars
      • P(g);N_GUARD,XS(I)::B(J)
      • B(b);N_GUARD::P(B)
      • S(c);SBLOCK::S(I)
      • S(i);S_CUTB(a)::S(I)
      • P(f);::B(J)
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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).