MESON Chess Problem Database

Problem Display
PID: 170214 (1Q6/2pp4/2p5/Knkq1NNR/2b1P3/2B1P3/2n5/2R5 w - - 0 1)

Zuger, Beat

Tages-Anzeiger, 2004

1Q6/2pp4/2p5/Knkq1NNR/2b1P3/2B1P3/2n5/2R5

#2

9 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Bb4#
    • 1...Se1
      • 2.Bb4#
    • 1...Sca3
      • 2.Bb4#
    • 1...Sxe3
      • 2.Bb4#
    • 1...Sb4
      • 2.Bxb4#
    • 1...Scd4
      • 2.Bb4#
    • 1...Sba3
      • 2.Qa7#
    • 1...Sxc3
      • 2.Qa7#
    • 1...Sbd4
      • 2.Qa7#
    • 1...Sd6
      • 2.Qa7#
    • 1...Sa7
      • 2.Qxa7#
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sb7#
      • 1...Kxd6
        • 2.Qf8#
      • 1...Qxe4
        • 2.Sgxe4#
      • 1...Qxd6
        • 2.Se6#
      • 1...Sxd6
        • 2.Qa7#
      • 1...cxd6
        • 2.Qb6#
      • 1...Bf1
        • 2.Bb4#
      • 1...Ba2
        • 2.Bb4#
      • 1...Be2
        • 2.Bb4#
      • 1...Bb3
        • 2.Bb4#
      • 1...Bd3
        • 2.Bb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 10
  • Sets
    • S(a);N_GUARD::B(B)
    • S(a);N_GUARD,XP(C)::B(B)
    • S(a);N_GUARD::B(B),XS(a)
    • S(c);N_GUARD::QAB(I)
    • S(c);N_GUARD,XB(B)::QAB(I)
    • S(c);N_GUARD::QAB(I),XS(c)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);OGATEB,P_SPINP(g),S_FLIGHT,XS(F)::QAB(I)
      • Q(e);XP(D)::R(H)+S(G),DCHECK,XQ(e)
      • Q(e);SBLOCK,XS(F)::R(H)+S(G),DCHECK
      • S(c);N_GUARD,SBLOCK,XS(F)::QAB(I)
      • P(g);N_GUARD,SBLOCK,XS(F)::QAB1(I)
      • B(b);S_CUTS(a)::B(B)
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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).