Problem Display
PID: 206537 (8/8/2pN4/K2k4/8/2QB4/8/8 w - - 0 1)

Berger, F

Deutsche Schachzeitung, 1925

8/8/2pN4/K2k4/8/2QB4/8/8

#2

4 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Bc4+?
      • 1...Kc5
        • 2.Se4#
        • 2.Sb7#
        • 2.Qe5#
      • 1...Kxd6!
  • Keys
    • 1.Qf6!
      • 1...Kc5
        • 2.Qe5#
      • 1...c5
        • 2.Be4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(D)
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
      • P(b);SBLOCK::B(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).