MESON Chess Problem Database

Problem Display
PID: 141499 (8/8/6P1/4P1R1/4kNR1/2P3nK/1PP2pP1/5N1n w - - 0 1)

Maruta, Hidajat (Tjoa Giok Hing)

Probleemblad, 1976

8/8/6P1/4P1R1/4kNR1/2P3nK/1PP2pP1/5N1n

#2

11 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg3?
      • 1...Kxf4
        • 2.R3g4#
      • 1...Sxg3!
    • 1.e6?
      • threat
        • 2.Se2#
        • 2.Sd3#
        • 2.Sd5#
        • 2.Sh5#
      • 1...Sxf1
        • 2.Sd5#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sh5
        • 2.Sxh5#
      • 1...Sf5!
  • Keys
    • 1.c4!
      • threat
        • 2.Se2#
        • 2.Sd3#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Se6#
      • 1...Kd4
        • 2.Se6#
      • 1...Sxf1
        • 2.Sd5#
      • 1...Sf5
        • 2.Sd3#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sh5
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);XS(c)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XS(G)::R1(H)
      • Refutation
        • S(a);XR(H)
    • Try
      • P(I);
      • Threat
        • DUALS(4)
      • Vars
        • S(c);XS(A)::R(H)+S(G)
        • S(c);::R(H)+S(G),XS(c)
      • Refutation
        • S(c);
  • Actual
    • P(E);
    • Threat
      • DUALS(5)
    • Vars
      • K(d);P-FLIGHT::R(H)+S(G),DCHECK
      • S(c);XS(A)::R(H)+S(G)
      • S(c);::R(H)+S(G)
      • S(c);::R(H)+S(G),XS(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).