Problem Display
PID: 182352 (5K2/3p4/5p2/4kP2/1P6/1P1Q4/3B4/8 w - - 0 1)

Ludanyi, Antal

Pesti Naplo, 1906

5K2/3p4/5p2/4kP2/1P6/1P1Q4/3B4/8

#2

6 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qe4+?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kxe4!
  • Keys
    • 1.Qf3!
      • 1...Kd4
        • 2.Bc3#
      • 1...Kd6
        • 2.Bf4#
      • 1...d6
        • 2.Bc3#
      • 1...d5
        • 2.Qf4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • P(c);SBLOCK::B(A)
      • P(c);SBLOCK::QAB1(C)


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).