Problem Display
PID: 85361 (3R4/8/6K1/3pk3/3R4/3BP3/8/8 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Galitzky-125 MT, 1987

3R4/8/6K1/3pk3/3R4/3BP3/8/8

#2

5 + 2


6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Be4?
      • 1...dxe4
        • 2.Re8#
      • 1...Ke6!
    • 1.Rf4?
      • 1...d4
        • 2.Re4#
      • 1...Ke6!
    • 1.Rg4?
      • 1...d4
        • 2.Re4#
      • 1...Ke6!
    • 1.Rh4?
      • 1...d4
        • 2.Re4#
      • 1...Ke6!
  • Keys
    • 1.Bc4!
      • 1...Ke6
        • 2.Re4#
      • 1...dxc4
        • 2.Re8#

This anticipates 34969(1992)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(a);XB(A)::R(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • P(a);N_GUARD::R1(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • P(a);N_GUARD::R1(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • P(a);N_GUARD::R1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::R(C)
      • P(a);XB(A)::R(E)


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).