MESON Chess Problem Database

Problem Display
PID: 46916 (8/4p3/1N1pN3/3P4/4k3/1K2P3/1B4R1/7B w - - 0 1)

Sujitno, K

Probleemblad, 2003

8/4p3/1N1pN3/3P4/4k3/1K2P3/1B4R1/7B

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Rg5#
  • Tries
    • 1.Bd4?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kf5
        • 2.Rg5#
      • 1...Kd3!
    • 1.Rd2+?
      • 1...Kxe3
        • 2.Sc4#
      • 1...Kf5!
    • 1.Re2+?
      • 1...Kd3
        • 2.Sf4#
      • 1...Kf5!
    • 1.Rg3+?
      • 1...Kf5
        • 2.Sg7#
        • 2.Rg5#
        • 2.e4#
      • 1...Kd3!
  • Keys
    • 1.Sc4!
      • 1...Kd3
        • 2.Rd2#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxd5
        • 2.Rg6#
      • 1...Kf5
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::R1(C)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::S(H)
        • K(a);S_FLIGHT::R1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(E)::S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(a);S_FLIGHT::R1(C)
      • K(a);S_FLIGHT::S(H)
      • K(a);S_FLIGHT,XP(F)::B(A)+R(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).