MESON Chess Problem Database

Problem Display
PID: 110293 (8/2pR1Rp1/2p1k1p1/3pbp2/3pPp2/3P1P2/8/3QKB2 w - - 0 1)

Loepert, Fritz

Mate, 1982

8/2pR1Rp1/2p1k1p1/3pbp2/3pPp2/3P1P2/8/3QKB2

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Qb3#
    • 1...fxe4
      • 2.Bh3#
    • 1...c5
      • 2.exd5#
    • 1...g5
      • 2.exf5#
  • Keys
    • 1.Qe2!
      • 1...dxe4
        • 2.Qa2#
      • 1...fxe4
        • 2.Bh3#
      • 1...Bd6
        • 2.exf5#
      • 1...Bf6
        • 2.exd5#
      • 1...c5
        • 2.exd5#
      • 1...g5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XP(F)::QAB(A)
    • P(e);OGATEB,XP(F)::B(C)
    • P(f);N_GUARD::P(F),XP(c)
    • P(h);N_GUARD::P(F),XP(e)
  • Actual
    • Q(A);
    • Vars
      • P(c);OGATEB,XP(F)::QAB(A)
      • P(e);OGATEB,XP(F)::B(C)
      • B(d);::QAR(A)+P(F)DCHECK,XP(e)
      • B(d);::QAR(A)+P(F)DCHECK,XP(c)
      • P(f);N_GUARD::P(F),XP(c)
      • P(h);N_GUARD::P(F),XP(e)
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).