MESON Chess Problem Database

Problem Display
PID: 281821 (5n2/1K6/3ppN1B/p1k2b2/3p2p1/1Q6/4P3/2N5 w - - 0 1)

Abad, Jose Miguel

Zaragoza-65 JT (Problemas), 2025

5n2/1K6/3ppN1B/p1k2b2/3p2p1/1Q6/4P3/2N5

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Sxd3#
    • 1...Be4+
      • 2.Sxe4#
    • 1...Sg6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...Sh7
      • 2.Sd7#
    • 1...d3
      • 2.Be3#
    • 1...d5
      • 2.Bxf8#
  • Keys
    • 1.e4!
      • threat
        • 2.Sd3#
      • 1...Bxe4+
        • 2.Sxe4#
      • 1...dxe4 ep
        • 2.Bxe3#
      • 1...d3
        • 2.Be3#
      • 1...d5
        • 2.Bxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(e);N_GUARD::S(A),XB(e)
    • B(e);CHECK,N_GUARD::S(D),XB(e)
    • S(h);N_GUARD::S(D)
    • S(h);N_GUARD::S(D),XS(h)
    • P(a);OGATEB::B(E)
    • P(f);OGATEB::B(E),XS(h)
  • Actual
    • P(B);
    • Threat
      • S(A)
    • Vars
      • B(e);CHECK,XP(B)::S(D),XB(e)
      • P(a);EP,OGATEB,XP(B)::B(E),XP(a)
      • P(a);OGATEB::B(E)
      • P(f);OGATEB::B(E),XS(h)
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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).