MESON Chess Problem Database

Problem Display
PID: 106243 (1b4B1/p1n5/rp3N1Q/p2p1k2/R2P4/7P/4p1nP/K3Nbrq w - - 0 1)

Benedek, Attila

Karacsonyi udvozlet, 1964

1b4B1/p1n5/rp3N1Q/p2p1k2/R2P4/7P/4p1nP/K3Nbrq

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Bh7#
  • Tries
    • 1.Se8?
      • threat
        • 2.Sd6#
        • 2.Bh7#
      • 1...Ke4
        • 2.Sd6#
        • 2.Bh7#
      • 1...Qxh2
        • 2.Bh7#
      • 1...Sxe1
        • 2.Sd6#
      • 1...Sxe8
        • 2.Bh7#
      • 1...Se3
        • 2.Sd6#
      • 1...Sf4
        • 2.Sd6#
      • 1...Sh4
        • 2.Sd6#
      • 1...Sb5
        • 2.Bh7#
      • 1...Se6
        • 2.Bh7#
      • 1...Sa8
        • 2.Bh7#
      • 1...b5!
    • 1.Qh5+?
      • 1...Kf4
        • 2.Qe5#
      • 1...Kxf6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sg3#
        • 2.Sd6#
        • 2.Bh7#
      • 1...Kxe4
        • 2.Bh7#
      • 1...Qxh2
        • 2.Bh7#
      • 1...Sxe1
        • 2.Sd6#
      • 1...dxe4
        • 2.Bh7#
      • 1...Se3
        • 2.Sd6#
      • 1...Sf4
        • 2.Sd6#
      • 1...Sh4
        • 2.Sd6#
      • 1...Sb5
        • 2.Bh7#
      • 1...Se6
        • 2.Bh7#
      • 1...Sa8
        • 2.Bh7#
      • 1...Se8
        • 2.Bh7#
      • 1...b5
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(l);SBLOCK::B(I)
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(C)::B(I)
        • S(e);XS(B)::S(G)
        • S(l);XS(G)::B(I)
        • S(e);::S(G)
        • S(l);::B(I)
      • Refutation
        • P(j);
    • Try
      • Q(H);CHECK
      • Vars
        • K(h);OGATE,P-FLIGHT::QAB1(H)
      • Refutation
        • K(h);P-FLIGHT,XS(G)
  • Actual
    • S(G);
    • Threat
      • DUALS(3)
    • Vars
      • K(h);S_FLIGHT,XS(G)::B(I)
      • Q(c);XP(C)::B(I)
      • S(e);XS(B)::S(G)
      • P(g);SBLOCK,XS(G)::B(I)
      • S(e);::S(G)
      • S(l);::B(I)
      • P(j);::S(G)
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).