Problem Display
PID: 10797 (8/8/8/3NP3/1N1kp1Q1/1K6/8/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Prize, Problemist Dalnego Vostoka, 1968

8/8/8/3NP3/1N1kp1Q1/1K6/8/8

#2

5 + 2


3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
6167 Viktor Chepizhny 2007
5454 Near Snap 2009
  • SOUND
  • Tries
    • 1.Qe2?
      • 1...Kc5
        • 2.Qc4#
      • 1...e3
        • 2.Qxe3#
      • 1...Kxe5!
    • 1.Qe6?
      • 1...Kc5
        • 2.Qb6#
      • 1...e3!
    • 1.Qg1+?
      • 1...e3
        • 2.Qxe3#
      • 1...Kxe5!
    • 1.Qg3?
      • threat
        • 2.Qc3#
      • 1...e3
        • 2.Qxe3#
      • 1...Kc5!
    • 1.Qxe4+?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kxe4!
    • 1.Qh4?
      • 1...Kxe5
        • 2.Qf6#
      • 1...Kc5!
    • 1.Qg5?
      • 1...e3
        • 2.Qxe3#
      • 1...Kc5!
    • 1.Qg6?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3!
  • Keys
    • 1.Sd3!
      • 1...Kxd3
        • 2.Qd1#
      • 1...Kxd5
        • 2.Qd7#

Anticipated by 207099(1866), 56675(1923), 157070(1955)

This anticipates 173964(2005), 164630(2014), 163268(2017)



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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).