MESON Chess Problem Database

Problem Display
PID: 280752 (2b1R2N/1p3B2/5p1q/5kPp/1N3P2/2rpnK2/4Pp2/2bQ1r2 w - - 0 1)

Burda, Josef

Zaragoza-65 JT (Problemas), 2025

2b1R2N/1p3B2/5p1q/5kPp/1N3P2/2rpnK2/4Pp2/2bQ1r2

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qf8
      • 2.Bg6#
    • 1...Qg6
      • 2.Bxg6#
    • 1...Rc2
      • 2.Qxd3#
    • 1...Rc5
      • 2.Qxd3#
    • 1...Rc6
      • 2.Qxd3#
    • 1...Rc7
      • 2.Qxd3#
    • 1...Be6
      • 2.Bxe6#
    • 1...Sxd1
      • 2.e4#
    • 1...Sc2
      • 2.e4#
    • 1...Sg2
      • 2.e4#
    • 1...Sc4
      • 2.e4#
    • 1...Sg4
      • 2.e4#
    • 1...Sd5
      • 2.e4#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se7#
      • 1...Sxd5
        • 2.e4#
      • 1...fxg5
        • 2.Re5#
      • 1...Qf8
        • 2.Bg6#
      • 1...Rc7
        • 2.Qxd3#
      • 1...Ba3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(j);N_GUARD::B(G)
    • Q(j);N_GUARD::B(G),XQ(j)
    • R(d);N_GUARD::QAB(A),XP(e)
    • B(l);N_GUARD::B(G),XB(l)
    • S(f);OGATE,XQ(A)::P(B)
    • S(f);OGATE::P(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • S(f);OGATE,XS(D)::P(B)
      • P(i);N_GUARD,XP(F)::R1(H)
      • Q(j);N_GUARD::B(G)
      • R(d);N_GUARD::QAB(A),XP(e)
      • B(a);N_GUARD::S(D),XS(f)
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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).