MESON Chess Problem Database

Problem Display
PID: 227543 (1K2N2R/3kp1n1/R5B1/B7/8/8/8/8 w - - 0 1)

Levman, Semyon Semyonovich

7th Prize, 64 Shakhmatnoe obozrenie, 1926

1K2N2R/3kp1n1/R5B1/B7/8/8/8/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe8
      • 2.Bxe8#
  • Keys
    • 1.Rh7!
      • 1...Sxe8
        • 2.Bf5#
      • 1...e5
        • 2.Rxg7#
      • 1...e6
        • 2.Rxg7#
      • 1...Sf5
        • 2.Sf6#
      • 1...Sh5
        • 2.Rd6#
      • 1...Se6
        • 2.Sf6#
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,XS(E)::B(C),XS(c)
  • Actual
    • R(F);
    • Vars
      • S(c);N_GUARD,P_SPINP(b),SBLOCK,XS(E)::B(C)
      • P(b);OGATEB,P_SPINS(c)::R(F),XS(c)
      • S(c);P_SPINP(b)::S(E)
      • S(c);P_SPINP(b)::R1(B)
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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).