MESON Chess Problem Database

Problem Display
PID: 250229 (B2nR1b1/4b3/5p2/2Qqr3/N3k3/K1P1NRP1/4P1nr/8 w - - 0 1)

Talaber, Laszlo

Zaszlonk, 1927

B2nR1b1/4b3/5p2/2Qqr3/N3k3/K1P1NRP1/4P1nr/8

#2

10 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5+
      • 2.Sxc5#
    • 1...Se1
      • 2.Rf4#
    • 1...Sxe3
      • 2.Rf4#
    • 1...Sf4
      • 2.Rxf4#
    • 1...Sh4
      • 2.Rf4#
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf2#
      • 1...Bxc5+
        • 2.Sxc5#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Rf5
        • 2.Qb4#
      • 1...Rg5
        • 2.Qb4#
      • 1...Reh5
        • 2.Qb4#
      • 1...Re6
        • 2.Bxd5#
      • 1...Se1
        • 2.Rf4#
      • 1...Se3
        • 2.Rf4#
      • 1...Sh4
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(g);CHECK,P_SPINR(e),XQ(H)::S(G),XB(g)
    • S(a);N_GUARD::R1(E)
    • S(a);N_GUARD,XS(D)::R1(E)
    • S(a);N_GUARD::R1(E),XS(a)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • B(g);CHECK,P_SPINR(e),XQ(H)::S(G),XB(g)
      • S(a);N_GUARD::R1(E),XS(a)
      • R(e);P_SPINB(g)::QAR(H)
      • R(e);N_GUARD,S_CUTB(i)::B(I),XQ(d)
      • S(a);N_GUARD::R1(E)
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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).