MESON Chess Problem Database

Problem Display
PID: 103835 (8/K7/4pBp1/4NkPp/R7/p2P4/5n1N/1B3Rb1 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

Canadian Chess Chat, 1982

8/K7/4pBp1/4NkPp/R7/p2P4/5n1N/1B3Rb1

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sef3?
      • threat
        • 2.Sh4#
      • 1...Sd1+
        • 2.Sd4#
      • 1...Sh1+
        • 2.Sd4#
      • 1...Sxd3+
        • 2.Sxg1#
      • 1...Sh3+
        • 2.Sd4#
      • 1...Se4+
        • 2.Sd4#
      • 1...Sg4+
        • 2.Sd4#
      • 1...h4
        • 2.Sxh4#
      • 1...e5!
    • 1.Sf7?
      • threat
        • 2.Sd6#
        • 2.Sh6#
      • 1...Bxh2
        • 2.Sh6#
      • 1...e5!
  • Keys
    • 1.Shf3!
      • threat
        • 2.Sh4#
      • 1...Sd1+
        • 2.Sd4#
      • 1...Sh1+
        • 2.Sd4#
      • 1...Sxd3+
        • 2.Sxg1#
      • 1...Sh3+
        • 2.Sd4#
      • 1...Se4+
        • 2.Sd4#
      • 1...Sg4+
        • 2.Sd4#
      • 1...h4
        • 2.Sxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);N_PINS(b)
      • Threat
        • S(F)
      • Vars
        • S(b);CHECK::R(B)+S(F),DCHECK
        • S(b);CHECK,P_SPINS(b),XP(D)::R(B)+S(F),XB(a)
        • P(e);::S(F),XP(e)
      • Refutation
        • P(f);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XS(C)::S(F)
      • Refutation
        • P(f);
  • Actual
    • S(C);N_PINS(b)
    • Threat
      • S(C)
    • Vars
      • S(b);CHECK::R(B)+S(C),DCHECK
      • S(b);CHECK,P_SPINS(b),XP(D)::R(B)+S(C),XB(a)
      • P(e);::S(C),XP(e)
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).