MESON Chess Problem Database

Problem Display
PID: 95220 (8/6n1/p4pK1/8/3Pk1p1/2R1B1p1/Qr2B3/8 w - - 0 1)

Zalkind, Lazar Borissovich

Pravo lidu, 1911

8/6n1/p4pK1/8/3Pk1p1/2R1B1p1/Qr2B3/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qe6#
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Se8
      • 2.Qe6#
  • Keys
    • 1.Bb5!
      • threat
        • 2.Bc6#
      • 1...Kf3
        • 2.Qd5#
      • 1...Rxb5
        • 2.Qg2#
      • 1...axb5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(g);N_GUARD::QAR2(A)
    • S(g);N_GUARD::QAR2(A),XS(g)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • K(c);S_FLIGHT::QAB(A)
      • R(a);OGATE,XB(B)::QAB(A)
      • P(e);OGATE,XB(B)::QAB(A)
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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).