MESON Chess Problem Database

Problem Display
PID: 268759 (4Q3/3Bnn2/8/8/5Bb1/6N1/6k1/4K1NR w K - 0 1)

Akimov, Nikolai Nikolaevich

Problemas, 2020

4Q3/3Bnn2/8/8/5Bb1/6N1/6k1/4K1NR

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Bh3#
    • 1...Be2
      • 2.Bh3#
    • 1...Bf3
      • 2.Bh3#
    • 1...Bh3
      • 2.Bxh3#
    • 1...Bh5
      • 2.Bh3#
  • Tries
    • 1.Bxg4?
      • threat
        • 2.Bf3#
        • 2.Bh3#
      • 1...Se5
        • 2.Bh3#
      • 1...Sg5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sh4#
      • 1...Kxf3
        • 2.0-0#
      • 1...Bxf3
        • 2.Bh3#
      • 1...Sf5
        • 2.Qe2#
      • 1...Sg6
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(b);OGATE::B(F)
    • B(b);OGATE::B(F),XB(b)
  • Tries
    • Try
      • B(F);XB(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::B(F)
      • Refutation
        • S(d);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(a);S_FLIGHT,XS(B)::0-0
      • B(b);OGATE,SBLOCK,XS(B)::B(F)
      • S(c);OGATE::QAR2(G)
HTML5 logo

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).