MESON Chess Problem Database

Problem Display
PID: 96986 (8/8/8/8/1p2N3/1B6/1k1NK3/6B1 w - - 0 1)

Lena, Lucio

Il Problema, 1932

8/8/8/8/1p2N3/1B6/1k1NK3/6B1

#2

5 + 2

6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ka1
      • 2.Bd4#
  • Tries
    • 1.Kd1?
      • 1...Ka1
        • 2.Bd4#
      • 1...Ka3!
  • Keys
    • 1.Sc5!
      • 1...Ka1
        • 2.Bd4#
      • 1...Kc1
        • 2.Sd3#
      • 1...Ka3
        • 2.Sc4#
      • 1...Kc3
        • 2.Sa4#

This anticipates 37982(1936), 187165(1982), 169617(2002), 121006(2005), 237452(2007)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::S(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).