Problem Display
PID: 260847 (8/4B3/8/4kp2/2Q5/5p1K/5P1R/8 w - - 0 1)

de Barbieri, Vittorio

L'Illustrazione Italiana, 1884

(First published on Sun Apr 13 1884)

8/4B3/8/4kp2/2Q5/5p1K/5P1R/8

#2

5 + 3


15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qd4#
      • 1...Kxd5!
  • Keys
    • 1.Rg2!
      • 1...fxg2
        • 2.f4#
      • 1...f4
        • 2.Rg5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
  • Actual
    • R(B);
    • Vars
      • P(a);OGATE,XR(B)::P(A)
      • P(c);OGATEB::R(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).