MESON Chess Problem Database

Problem Display
PID: 153221 (8/3N1Q2/1R6/8/2Pk3B/8/8/2K5 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

5th HM., StrateGems 02. Miniature Ty., 2011

8/3N1Q2/1R6/8/2Pk3B/8/8/2K5

#2

6 + 1

5454 Near Snap 2014
3713 Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kc3
        • 2.Be1#
        • 2.Bf6#
      • 1...Ke3!
  • Keys
    • 1.Sc5!
      • 1...Kc3
        • 2.Bf6#
      • 1...Ke3
        • 2.Qf2#
      • 1...Kxc5
        • 2.Bf2#
      • 1...Ke5
        • 2.Qf6#

Anticipated by 254477(1975), 103250(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT,XS(E)::B(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).