Problem Display
PID: 229164 (3rr3/3R4/8/8/3Pp3/Q1P5/2Pk2N1/bR1B2K1 w - - 0 1)

Almay, Joszef

Ujsag, 1926

3rr3/3R4/8/8/3Pp3/Q1P5/2Pk2N1/bR1B2K1

#2

9 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Qc1#
  • Keys
    • 1.c4!
      • threat
        • 2.Qe3#
      • 1...Bc3
        • 2.Qc1#
      • 1...e3
        • 2.Qd3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XP(G)::QAB1(F)
  • Actual
    • P(G);
    • Threat
      • QAB1(F)
    • Vars
      • B(a);SBLOCK::QAB1(F)
      • P(c);N_GUARD::QAR1(F)


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).