MESON Chess Problem Database

Problem Display
PID: 98993 (2k3nr/1pPb4/p7/3N4/8/8/2P1Bb1B/Q2K4 w - - 0 1)

Asztalos, Peter

Sakkelet, 1998

2k3nr/1pPb4/p7/3N4/8/8/2P1Bb1B/Q2K4

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sb6#
    • 1...Bh4
      • 2.Sb6#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Bg4
      • 2.Bxg4#
    • 1...Sf6
      • 2.Se7#
    • 1...Sh6
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
    • 1...b5
      • 2.Qxa6#
    • 1...b6
      • 2.Bxa6#
      • 2.Qxa6#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qd8#
      • 1...Sxf6
        • 2.Se7#
      • 1...b5
        • 2.Qxa6#
      • 1...b6
        • 2.Bxa6#
      • 1...Bh4
        • 2.Sb6#
      • 1...Sh6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(F)
    • B(a);N_GUARD::S(F),XB(a)
    • B(d);OGATEB,P_PINB(D)::B(D),XB(d)
    • S(f);N_GUARD::S(F)
    • S(f);N_GUARD::S(F),XS(f)
    • P(c);OGATEB::QAB(A),XP(b)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • S(f);N_GUARD,XQ(A)::S(F)
      • P(c);OGATEB::QAB(A),XP(b)
      • P(c);OGATEB::B(D),XP(b)
      • B(a);N_GUARD::S(F)
      • S(f);N_GUARD::S(F)
      • S(f);N_GUARD::S(F),XS(f)
HTML5 logo

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).