Problem Display
PID: 92667 (1N6/8/3p4/3k4/1p6/1b1B1K2/4RQ2/8 w - - 0 1)

Wurzburg, Otto

Tijdschrift, 1900

1N6/8/3p4/3k4/1p6/1b1B1K2/4RQ2/8

#2

5 + 4


6490 yacpdb 2009
5454 Near Snap 2011

SOLUTION


  • SOUND
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qf5#
      • 1...Kc5
        • 2.Ke4#
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke6
        • 2.Kd4#

Anticipated by 4576(1880), 109817(1891), 95234(1898)

This anticipates 2409(1904), 145656(1921), 208458(1950), 18161(1953)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(c);P-FLIGHT::QAB(B)+K(D)
      • K(c);P-FLIGHT::QAR1(B)
      • K(c);S_FLIGHT::R(A)+K(D)


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).