Problem Display
PID: 79327 (8/8/8/Q7/8/1p6/Np6/1k2K3 w - - 0 1)

Andreev, Aleksandr Grigorevich

Sovietskaya Kuban, 1960

8/8/8/Q7/8/1p6/Np6/1k2K3

#2

3 + 3


3713 Snap 2009
5454 Near Snap 2018
  • SOUND
  • Sets
    • 1...Ka1
      • 2.Sc3#
    • 1...Kc2
      • 2.Qf5#
  • Tries
    • 1.Kd1?
      • threat
        • 2.Sc3#
      • 1...Ka1
        • 2.Sc3#
      • 1...bxa2!
    • 1.Kd2?
      • threat
        • 2.Sc3#
      • 1...Ka1
        • 2.Sc3#
      • 1...bxa2!
    • 1.Ke2?
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qf5#
      • 1...bxa2!
    • 1.Qa6?
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qg6#
      • 1...bxa2!
    • 1.Qa7?
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qh7#
      • 1...bxa2!
    • 1.Qa8?
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qe4#
      • 1...bxa2!
  • Keys
    • 1.Qa4!
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qe4#
      • 1...bxa2
        • 2.Qd1#

Anticipated by 9316(1876), 208783(1876), 248226(1880), 182373(1906), 80835(1928), 178142(1959)

This anticipates 67025(2001), 164584(2007)



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).