MESON Chess Problem Database

Problem Display
PID: 120008 (5b1k/1K2Nppp/Q5R1/8/8/8/8/8 w - - 0 1)

Zalkind, Lazar Borissovich

La Strategie, 1912

5b1k/1K2Nppp/Q5R1/8/8/8/8/8

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qf6!
      • 1...Bxe7
        • 2.Qxg7#
      • 1...fxg6
        • 2.Qxf8#
      • 1...gxf6
        • 2.Rg8#
      • 1...hxg6
        • 2.Qh4#
      • 1...h5
        • 2.Rh6#
      • 1...h6
        • 2.Rxh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);P_PINP(b)
    • Vars
      • B(d);N_GUARD,XS(D)::QAB1(A),XP(b)
      • P(a);OGATE,XR(B)::QAR2(A),XB(d)
      • P(b);N_SPINP(b),OGATE,XQ(A)::R1(B)
      • P(c);OGATEB,XR(B)::QAR(A)
      • P(c);OGATEB::R(B)
      • P(c);OGATEB::R(B),XP(c)
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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).