MESON Chess Problem Database

Problem Display
PID: 206906 (3rkb2/2qn1p2/4p3/8/1B2Q3/P7/2B3P1/6K1 w - - 0 1)

Shastree, Trevangadacharya

Essays on Chess, 1814

3rkb2/2qn1p2/4p3/8/1B2Q3/P7/2B3P1/6K1

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Qg6#
  • Keys
    • 1.Qxe6+!
      • 1...Be7
        • 2.Qxe7#
      • 1...fxe6
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB::QAB(F)
  • Actual
    • Q(F);CHECK,XP(a)
    • Vars
      • B(g);N_GUARD,P_SPINB(g)::QAR1(F),XB(g)
      • P(d);S_CUTB(g),XQ(F)::B(B)
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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).