MESON Chess Problem Database

Problem Display
PID: 76362 (1NK5/2p5/8/1kPp4/1P6/p3N3/P7/3BB3 w - - 0 1)

Groth, Reinhard

Troll, 2007

1NK5/2p5/8/1kPp4/1P6/p3N3/P7/3BB3

#2

8 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • 1...Kc4
        • 2.Be2#
      • 1...c6
        • 2.Sd6#
      • 1...d4!
    • 1.Sc6?
      • 1...Ka6
        • 2.Be2#
      • 1...Kxc6
        • 2.Ba4#
      • 1...d4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sxa3#
      • 1...Ka4
        • 2.Sd4#
      • 1...Kc4
        • 2.Be2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::B(A)
        • P(d);N_GUARD::S(D)
      • Refutation
        • P(c);
    • Try
      • S(G);
      • Vars
        • K(b);S_FLIGHT::B(A)
        • K(b);S_FLIGHT,XS(G)::B(A)
      • Refutation
        • P(c);
  • Actual
    • S(D);
    • Threat
      • S(D),XP(a)
    • Vars
      • K(b);S_FLIGHT::B(A)+S(D)
      • K(b);S_FLIGHT::B(A)
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).