MESON Chess Problem Database

Problem Display
PID: 4903 (8/K7/8/kp6/p5Qp/8/3P4/8 w - - 0 1)

Ista, J

Shakhmatnoe obozrenie, 1893

8/K7/8/kp6/p5Qp/8/3P4/8

#2

3 + 4

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qf5#
      • 2.Qh5#
      • 2.Qg5#
  • Tries
    • 1.Qf3?
      • 1...Kb4
        • 2.Qc3#
      • 1...a3
        • 2.Qxa3#
      • 1...b4
        • 2.Qd5#
        • 2.Qh5#
        • 2.Qf5#
      • 1...h3!
    • 1.Qxh4?
      • 1...b4
        • 2.Qg5#
        • 2.Qh5#
      • 1...a3!
  • Keys
    • 1.Qh3!
      • 1...Kb4
        • 2.Qc3#
      • 1...a3
        • 2.Qxa3#
      • 1...b4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • P(b);
    • Try
      • Q(B);XP(b)
      • Refutation
        • P(a);
  • Actual
    • Q(B);
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • P(a);OGATEB::QAR2(B),XP(a)
      • P(d);OGATEB,SBLOCK::QAR(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).