Problem Display
PID: 7857 (8/3B1p2/3p4/8/2k5/5K2/1B6/Q7 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1994

8/3B1p2/3p4/8/2k5/5K2/1B6/Q7

#2

4 + 3


5454 Near Snap 2007
  • SOUND
  • Tries
    • 1.Qc1+?
      • 1...Kd3
        • 2.Bb5#
        • 2.Bf5#
        • 2.Qc3#
      • 1...Kb4
        • 2.Qc3#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kb3!
    • 1.Qf1+?
      • 1...Kb4
        • 2.Qb5#
      • 1...Kc5
        • 2.Qb5#
      • 1...Kd5
        • 2.Qb5#
      • 1...Kb3!
    • 1.Qa4+?
      • 1...Kc5
        • 2.Qb5#
        • 2.Qd4#
      • 1...Kd5
        • 2.Qb5#
        • 2.Qc6#
        • 2.Qd4#
      • 1...Kd3!
    • 1.Qa5?
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kb3!
    • 1.Qa6+?
      • 1...Kb4
        • 2.Qb5#
      • 1...Kc5
        • 2.Qb5#
      • 1...Kd5
        • 2.Qb5#
        • 2.Qc6#
      • 1...Kb3!
  • Keys
    • 1.Bf6!
      • 1...Kb3
        • 2.Qa4#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kb4
        • 2.Qc3#
      • 1...Kc5
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...d5
        • 2.Qc3#

Anticipated by 18925(1959), 103960(1993)



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).