Problem Display
PID: 21732 (3B4/kBP5/8/N1p5/2K5/8/8/8 w - - 0 1)

Weenink, Henri Gerard Maria

Tijdschrift vd NSB, 1920

3B4/kBP5/8/N1p5/2K5/8/8/8

#2

5 + 2


16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932
4035 Aarsskrift for DSK 1934
6479 Problemschach (Sidler) 1968
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
273 Mat Plus 1995
5454 Near Snap 2018
3713 Snap 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kb6
      • 2.c8S#
  • Tries
    • 1.Sc6+?
      • 1...Kb6
        • 2.c8Q#
        • 2.c8B#
      • 1...Kxb7!
  • Keys
    • 1.c8B!
      • 1...Kb8
        • 2.Sc6#

This anticipates 205516(1925), 242073(1936), 124373(1937)

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::P=S
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);P-FLIGHT,XB(C)
  • Actual
    • P(D);
    • Vars
      • K(b);S_FLIGHT::S(B)


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).