Problem Display
PID: 138100 (8/8/4N3/5k2/3P1N2/5Q2/6K1/8 w - - 0 1)

Bordoni, Giovanni

Due Alfieri, 1981

8/8/4N3/5k2/3P1N2/5Q2/6K1/8

#2

5 + 1


14744 Nuova Antologia dei Problemisti Italiani 1992
5454 Near Snap 2011
  • SOUND
  • Tries
    • 1.Qd1?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kf6!
    • 1.Qd5+?
      • 1...Kg4
        • 2.Qg5#
        • 2.Qh5#
      • 1...Kf6!
    • 1.Qh5+?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kf6!
    • 1.Qa8?
      • 1...Kf6
        • 2.Qf8#
      • 1...Kg4!
    • 1.Qb3?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6!
    • 1.Qc3?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6!
    • 1.Qd3+?
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6!
    • 1.Qe3?
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6!
    • 1.Qg3?
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kf6!
    • 1.Qh3+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kf6!
  • Keys
    • 1.Qa3!
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6
        • 2.Qf8#

Anticipated by 206947(1859), 4506(1873), 32680(1873), 214539(1878), 24321(1885), 181144(1904), 109336(1920), 22076(1924), 206740(1925), 227725(1926), 76425(1929), 46372(1941), 18804(1958)

This anticipates 133136(1983), 184446(2000), 47757(2003), 67253(2006), 232491(2012), 235007(2019)



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).