Problem Display
PID: 258749 (4K3/8/R7/2pkp3/6R1/3P4/3P4/4B3 w - - 0 1)

Labai, Zoltan

Zamanov, Vidadi

4th HM., Basisty MT, 2021

4K3/8/R7/2pkp3/6R1/3P4/3P4/4B3

#2

6 + 3


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Kd7?
      • threat
        • 2.Rd6#
      • 1...c4
        • 2.Ra5#
      • 1...e4!
    • 1.Bg3?
      • 1...e4
        • 2.Rd6#
      • 1...c4!
    • 1.Rg5?
      • 1...Kd4
        • 2.Rd6#
      • 1...c4!
  • Keys
    • 1.Bf2!
      • 1...e4
        • 2.Rg5#
      • 1...c4
        • 2.dxc4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • R1(E)
      • Vars
        • P(a);OGATEB::R(E)
      • Refutation
        • P(c);
    • Try
      • B(A);
      • Vars
        • P(c);::R1(E)
      • Refutation
        • P(a);
    • Try
      • R(D);P_PINP(c)
      • Vars
        • K(b);N_GUARD,N_SPINP(c),P-FLIGHT::R(E)
      • Refutation
        • P(a);
  • Actual
    • B(A);
    • Vars
      • P(c);OGATEB::R(D)
      • P(a);OGATE::P(C),XP(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).