MESON Chess Problem Database

Problem Display
PID: 80838 (8/8/7k/8/5p2/7K/6R1/7R w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Schach, 1991

8/8/7k/8/5p2/7K/6R1/7R

#2

3 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Rg4?
      • threat
        • 2.Kg2#
      • 1...Kh7
        • 2.Kg2#
      • 1...f3
        • 2.Kg3#
      • 1...Kh5!
    • 1.Rg5?
      • threat
        • 2.Kg4#
      • 1...Kh7
        • 2.Kg2#
        • 2.Kg4#
      • 1...Kxg5!
    • 1.Rg8?
      • threat
        • 2.Kg2#
        • 2.Kg4#
      • 1...Kh5
        • 2.Kg2#
      • 1...f3
        • 2.Kg3#
        • 2.Kg4#
      • 1...Kh7!
  • Keys
    • 1.Kh2!
      • threat
        • 2.Kg1#
      • 1...Kh5
        • 2.Kg1#
      • 1...Kh7
        • 2.Kg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • R(A)+K(C)
      • Vars
        • K(b);P-FLIGHT::R(A)+K(C)
        • P(a);::R(A)+K(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • R(A)+K(C)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::R(A)+K(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • R(A)+K(C)
    • Vars
      • K(b);P-FLIGHT::R(A)+K(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).