MESON Chess Problem Database

Problem Display
PID: 177755 (5k2/8/7K/8/8/8/B7/4Q3 w - - 0 1)

Zhuravlev, N

Sahs (Latvia), 1986

5k2/8/7K/8/8/8/B7/4Q3

#2

3 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bb1?
      • 1...Kg8
        • 2.Qe8#
      • 1...Kf7!
  • Keys
    • 1.Bg8!
      • 1...Kxg8
        • 2.Qe8#

Anticipated by 24241(1858), 92257(1923), 142750(1963), 232347(1975), 232380(1980)

This anticipates 15912(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);P-FLIGHT,XB(B)::QAR2(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).