MESON Chess Problem Database

Problem Display
PID: 90237 (r1R5/1p1N2b1/3p2K1/p2p2pp/p2kN2r/2p5/8/4RB2 w - - 0 1)

Touw Hian Bwee

Die Schwalbe, 1961

r1R5/1p1N2b1/3p2K1/p2p2pp/p2kN2r/2p5/8/4RB2

#2

6 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg5?
      • threat
        • 2.Sf3#
        • 2.Se6#
      • 1...Rh3
        • 2.Se6#
      • 1...Re4
        • 2.Sf3#
      • 1...Rf4
        • 2.Se6#
      • 1...Rg4!
    • 1.Sxd6?
      • threat
        • 2.Sb5#
        • 2.Sf5#
      • 1...Rf4
        • 2.Sb5#
      • 1...b5
        • 2.Sxb5#
        • 2.Sf5#
      • 1...Ra6!
  • Keys
    • 1.Sxc3!
      • threat
        • 2.Sb5#
      • 1...b5
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::S(C)
      • Refutation
        • R(d);P_PINS(C)
    • Try
      • S(C);XP(i)
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::S(C)
      • Refutation
        • R(l);P_PINS(C)
  • Actual
    • S(C);XP(a)
    • Threat
      • S(C)
    • Vars
      • P(j);::S(C),XP(j)
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).