MESON Chess Problem Database

Problem Display
PID: 206932 (8/3p1p2/3R3K/2B1kN1p/7P/5PP1/8/8 w - - 0 1)

Anonymous

New York Clipper, 1856

8/3p1p2/3R3K/2B1kN1p/7P/5PP1/8/8

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...f5
        • 2.Sc4#
      • 1...f6!
    • 1.Se7?
      • 1...f5
        • 2.Sg6#
      • 1...f6!
  • Keys
    • 1.Bd4+!
      • 1...Kxf5
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • P(d);SBLOCK::S(E)
      • Refutation
        • P(d);
    • Try
      • S(E);
      • Vars
        • P(d);N_GUARD,SBLOCK::S(E)
      • Refutation
        • P(d);
  • Actual
    • B(D);CHECK
    • Vars
      • K(a);P-FLIGHT,XS(E)::R1(F)
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).