MESON Chess Problem Database

Problem Display
PID: 120012 (4k2r/1p1pPp2/3P1p1p/3B1Q1K/8/2p5/8/8 w k - 0 1)

Sindler, Ivan

Straz lidu, 1951

4k2r/1p1pPp2/3P1p1p/3B1Q1K/8/2p5/8/8

#2

5 + 8

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • threat
        • 2.Bxd7#
        • 2.Qxd7#
      • 1...dxc6
        • 2.Qc8#
      • 1...bxc6!
  • Keys
    • 1.Be6!
      • threat
        • 2.Bxd7#
      • 1...dxe6
        • 2.Qb5#
      • 1...fxe6
        • 2.Qg6#

Anticipated by 120011(1909)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);P_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);N_SPINP(e),OGATE,XB(A)::QAR2(B)
      • Refutation
        • P(d);N_SPINP(e),XB(A)
  • Actual
    • B(A);
    • Threat
      • B(A),XP(e)
    • Vars
      • P(e);OGATEB,XB(A)::QAB(B)
      • P(f);OGATEB,XB(A)::QAB(B)
HTML5 logo

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).