MESON Chess Problem Database

Problem Display
PID: 231657 (8/5Q2/2p5/2K1k3/8/3b1BrN/5P2/8 w - - 0 1)

Talaber, Laszlo

Zaszlonk, 1927

8/5Q2/2p5/2K1k3/8/3b1BrN/5P2/8

#2

5 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bd5?
      • threat
        • 2.Qe6#
        • 2.Qf4#
        • 2.f4#
      • 1...Rxh3
        • 2.f4#
      • 1...Rf3
        • 2.Qe6#
      • 1...Rg4
        • 2.Qe6#
      • 1...Rg6
        • 2.Qf4#
        • 2.f4#
      • 1...Bf5
        • 2.f4#
      • 1...cxd5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qf5#
        • 2.Qe7#
      • 1...Kxe4
        • 2.Qf4#
      • 1...Rxh3
        • 2.Qf5#
      • 1...Bxe4
        • 2.f4#
      • 1...Rf3
        • 2.Qe7#
      • 1...Rg5
        • 2.Qe7#
      • 1...Rg6
        • 2.Qf5#
      • 1...Rg7
        • 2.Qf5#
      • 1...Bc4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(3)
      • Vars
        • R(b);XS(C)::P(A)
        • R(b);::QAR1(E)
        • B(a);::P(A)
      • Refutation
        • P(d);XB(B)
  • Actual
    • B(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT,XB(B)::QAR1(E)
      • R(b);XS(C)::QAR1(E)
      • B(a);SBLOCK,XB(B)::P(A)
      • R(b);::QAR2(E)
      • R(b);::QAR1(E)
      • B(a);::QAR1(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).