Problem Display
PID: 172213 (6R1/5kbP/2K5/8/4P2Q/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

6R1/5kbP/2K5/8/4P2Q/8/8/8

#2

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kg6
      • 2.h8S#
  • Tries
    • 1.Rxg7+?
      • 1...Ke6
        • 2.Re7#
        • 2.Qe7#
      • 1...Ke8
        • 2.Qe7#
        • 2.h8Q#
        • 2.h8R#
      • 1...Kf8
        • 2.Qe7#
        • 2.h8Q#
      • 1...Kxg7!
  • Keys
    • 1.Kd7!
      • 1...Kg6
        • 2.h8S#
      • 1...Ba1
        • 2.Qe7#
      • 1...Bb2
        • 2.Qe7#
      • 1...Bc3
        • 2.Qe7#
      • 1...Bd4
        • 2.Qe7#
      • 1...Be5
        • 2.Qe7#
      • 1...Bf6
        • 2.Qh5#
      • 1...Bh6
        • 2.Qe7#
      • 1...Bf8
        • 2.Qf2#
        • 2.Qf4#
      • 1...Bh8
        • 2.Qe7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINB(b),S_FLIGHT::P=S
  • Tries
    • Try
      • R(E);CHECK,XB(b)
      • Refutation
        • K(a);P-FLIGHT,XR(E)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(a);P_SPINB(b),S_FLIGHT::P=S
      • B(b);::QAR1(B)
      • B(b);SBLOCK::QAB(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).