MESON Chess Problem Database

Problem Display
PID: 196814 (4n3/2q1pN2/2P3n1/1PNk4/3p1bP1/p4P1K/b1Q5/8 w - - 0 1)

Anonymous

BCPS Victory Ty., 1919

4n3/2q1pN2/2P3n1/1PNk4/3p1bP1/p4P1K/b1Q5/8

#2

8 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Qxa2#
      • 1...Kxe6
        • 2.Qf5#
      • 1...Qxc6
        • 2.Qxc6#
      • 1...Bc4
        • 2.Qe4#
      • 1...Bb1
        • 2.Qb3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Se5
        • 2.Sxf4#
      • 1...Sd6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(F);
    • Threat
      • QAB(A),XB(a)
    • Vars
      • K(e);S_FLIGHT,XS(F)::QAB1(A)
      • Q(g);OGATE,XP(G)::QAB1(A),XQ(g)
      • B(a);SBLOCK::QAB1(A)
      • B(a);N_GUARD::QAB(A)
      • B(a);N_GUARD::QAB(A),XB(a)
      • S(f);N_GUARD,S_CUTQ(g)::S(F),XB(d)
      • S(i);N_GUARD,S_CUTB(d)::S(F),XQ(g)
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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).