MESON Chess Problem Database

Problem Display
PID: 87198 (8/8/8/R7/3R4/8/K7/n1k5 w - - 0 1)

Radchenko, Sergei Vladimirovich

Shakhmaty, 1989

8/8/8/R7/3R4/8/K7/n1k5

#2

3 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Rc5#
  • Tries
    • 1.Raa4?
      • 1...Kc2
        • 2.Rac4#
      • 1...Sb3
        • 2.Rac4#
      • 1...Sc2!
    • 1.Rb5?
      • 1...Kc2
        • 2.Rc5#
      • 1...Sc2
        • 2.Rb1#
      • 1...Sb3!
  • Keys
    • 1.Rad5!
      • 1...Kc2
        • 2.Rc4#
        • 2.Rc5#
      • 1...Sc2
        • 2.Rd1#
      • 1...Sb3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::R(C)
  • Tries
    • Try
      • R(C);
      • Vars
        • K(b);P-FLIGHT::R(C)
        • S(a);N_GUARD::R(C)
      • Refutation
        • S(a);
    • Try
      • R(C);
      • Vars
        • K(b);P-FLIGHT::R(C)
        • S(a);SBLOCK::R1(C)
      • Refutation
        • S(a);
  • Actual
    • R(C);
    • Vars
      • S(a);SBLOCK::R1(B)
      • S(a);N_GUARD::R(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).