MESON Chess Problem Database

Problem Display
PID: 181851 (2b3K1/3rk1NR/2n1Np2/2P1p2B/7B/3p4/7q/8 w - - 0 1)

Lazard, Frederic

1st Prize, Sydney Morning Herald, 1905

2b3K1/3rk1NR/2n1Np2/2P1p2B/7B/3p4/7q/8

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Sg5!
      • threat
        • 2.S7e6#
      • 1...Rd8+
        • 2.Se8#
      • 1...Kd8
        • 2.S7e6#
      • 1...fxg5
        • 2.Bxg5#
      • 1...f5
        • 2.Sh3#
      • 1...Sd8
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);N_PINP(e)
    • Threat
      • R(F)+S(E)
    • Vars
      • R(f);CHECK,SBLOCK::R(F)+S(E)
      • K(g);S_FLIGHT::S(E)
      • P(e);OGATE,P_SPINP(e),XS(D)::B(A),XP(e)
      • P(e);::B(A)+S(D)
      • S(d);SBLOCK::R(F)+S(E),DCHECK
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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).