MESON Chess Problem Database

Problem Display
PID: 3215 (8/5K2/8/5k2/2N1p2Q/7b/8/5r2 w - - 0 1)

Yusupov, Z

Sp. Prize, Source?, 1985-1986

8/5K2/8/5k2/2N1p2Q/7b/8/5r2

#2

3 + 4

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qh5#
    • 1...Bg4
      • 2.Qf6#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Se3#
        • 2.Sd6#
      • 1...Bg4
        • 2.Qe5#
      • 1...e3
        • 2.Sd6#
      • 1...Rd1
        • 2.Se3#
      • 1...Re1
        • 2.Sd6#
      • 1...Rf3
        • 2.Sd6#
      • 1...Rf4
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::QAR2(B)
    • B(b);SBLOCK::QAR1(B)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • B(b);SBLOCK::QAR1(B)
      • P(c);::S(A)
      • R(a);::S(A)
      • R(a);SBLOCK::QAB1(B)
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).