Problem Display
PID: 216168 (8/8/8/8/8/1KP5/2R5/1k6 w - - 0 1)

Hardt, Werner

Deutsche Schachzeitung, 1968

8/8/8/8/8/1KP5/2R5/1k6

#2

3 + 1


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ka1
      • 2.Rc1#
  • Tries
    • 1.Ka3?
      • 1...Ka1
        • 2.Rc1#
      • 1...Kxc2!
    • 1.Rd2?
      • threat
        • 2.Rd1#
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Re2?
      • threat
        • 2.Re1#
      • 1...Ka1
        • 2.Re1#
      • 1...Kc1!
    • 1.Rf2?
      • threat
        • 2.Rf1#
      • 1...Ka1
        • 2.Rf1#
      • 1...Kc1!
    • 1.Rg2?
      • threat
        • 2.Rg1#
      • 1...Ka1
        • 2.Rg1#
      • 1...Kc1!
    • 1.Rh2?
      • threat
        • 2.Rh1#
      • 1...Ka1
        • 2.Rh1#
      • 1...Kc1!
  • Keys
    • 1.c4!
      • 1...Ka1
        • 2.Rc1#

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::R(A)


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).