Problem Display
PID: 52251 (8/3K4/3B4/2pk4/3P4/8/2PNP3/8 w - - 0 1)

Erokhin, Vladimir Alekseevich

Probleemblad, 1981

8/3K4/3B4/2pk4/3P4/8/2PNP3/8

#2

6 + 2


102 Probleemblad 2004

SOLUTION


  • SOUND
  • Tries
    • 1.Be5?
      • threat
        • 2.c4#
        • 2.e4#
      • 1...c4
        • 2.e4#
      • 1...cxd4!
    • 1.e3?
      • threat
        • 2.c4#
      • 1...cxd4
        • 2.e4#
      • 1...c4!
  • Keys
    • 1.c3!
      • threat
        • 2.e4#
      • 1...cxd4
        • 2.c4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::P(C)
      • Refutation
        • P(a);XP(D)
    • Try
      • P(C);
      • Threat
        • P(A)
      • Vars
        • P(a);SBLOCK,XP(D)::P(C)
      • Refutation
        • P(a);
  • Actual
    • P(A);
    • Threat
      • P(C)
    • Vars
      • P(a);SBLOCK,XP(D)::P(A)


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).