Problem Display
PID: 69040 (4R3/8/4Pp2/1Qp5/4k3/2R1B2K/1N6/8 w - - 0 1)

Gold, Samuel

Tidsskrift for Skak, 1895

4R3/8/4Pp2/1Qp5/4k3/2R1B2K/1N6/8

#2

7 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qd3+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Rxc5#
      • 1...Kf3!
    • 1.Qc6+?
      • 1...Ke5
        • 2.Rxc5#
      • 1...Kf5!
  • Keys
    • 1.Sc4!
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd5
        • 2.Qb7#
      • 1...Kf5
        • 2.Qb1#
      • 1...f5
        • 2.Qc6#
        • 2.Qb7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(E)


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).