MESON Chess Problem Database

Problem Display
PID: 166222 (8/8/5K2/6P1/3Q3N/2B3k1/6P1/8 w - - 0 1)

Lebedev, Aleksandr N

Zvyazda, 1985

8/8/5K2/6P1/3Q3N/2B3k1/6P1/8

#2

6 + 1

145 StrateGems 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4?
      • 1...Kf2
        • 2.Qe1#
      • 1...Kh2!
  • Keys
    • 1.Qd1!
      • 1...Kf2
        • 2.Qe1#
      • 1...Kh2
        • 2.Be5#
      • 1...Kf4
        • 2.Qf3#
      • 1...Kxh4
        • 2.Be1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT,XS(D)::B(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).