MESON Chess Problem Database

Problem Display
PID: 4909 (8/2p2K2/2B3Q1/4kp2/1N6/8/8/8 w - - 0 1)

Tkeselasvili, I

Shakhmatny Zhurnal, 1893

8/2p2K2/2B3Q1/4kp2/1N6/8/8/8

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qf6#
  • Tries
    • 1.Sc2?
      • 1...f4
        • 2.Qe6#
        • 2.Qf6#
      • 1...Kf4!
    • 1.Qg5?
      • 1...Kd6
        • 2.Qe7#
      • 1...Kd4!
    • 1.Qh6?
      • 1...f4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Qg7+?
      • 1...Kd6
        • 2.Qd4#
      • 1...Kf4!
  • Keys
    • 1.Qg1!
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Qd4#
      • 1...f4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);::QAB1(C)
  • Tries
    • Try
      • S(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(b);::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT::QAR2(C)
      • P(b);SBLOCK::QAR2(C)
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).