MESON Chess Problem Database

Problem Display
PID: 23681 (1B2Q3/1k1B4/8/4K3/8/8/8/8 w - - 0 1)

Pustovoi, Boris

Tiumenski komsomolets, 1963

1B2Q3/1k1B4/8/4K3/8/8/8/8

#2

4 + 1

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Ka8
      • 2.Bc6#
  • Tries
    • 1.Bb5?
      • 1...Ka8
        • 2.Bc6#
      • 1...Kb6!
    • 1.Qc8+?
      • 1...Ka8
        • 2.Bc6#
      • 1...Kb6!
    • 1.Qd8?
      • 1...Ka8
        • 2.Bc6#
      • 1...Ka6!
  • Keys
    • 1.Ba4!
      • 1...Ka6
        • 2.Qb5#
      • 1...Kb6
        • 2.Qb5#
      • 1...Ka8
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(B)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);P-FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::B(B)
HTML5 logo

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).