MESON Chess Problem Database

Problem Display
PID: 46730 (8/r3NBp1/4Pprb/p1p5/K1k5/3R4/2P3N1/8 w - - 0 1)

Wester, Anders Emil

The Hindu, 0000

8/r3NBp1/4Pprb/p1p5/K1k5/3R4/2P3N1/8

#2

7 + 8

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Se3#
    • 1...Rd7
      • 2.exd7#
    • 1...Be3
      • 2.Sxe3#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sd6#
        • 2.e7#
      • 1...Rxf7
        • 2.Sd6#
      • 1...Rd7
        • 2.exd7#
      • 1...Re7
        • 2.Sd6#
      • 1...Bf4
        • 2.e7#
      • 1...Ra6!
    • 1.Sc8?
      • threat
        • 2.Sb6#
        • 2.Sd6#
        • 2.e7#
      • 1...Rxf7
        • 2.Sb6#
        • 2.Sd6#
      • 1...Rg5
        • 2.Se3#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Rb7
        • 2.Sd6#
        • 2.e7#
      • 1...Rd7
        • 2.Sb6#
        • 2.exd7#
      • 1...Re7
        • 2.Sb6#
        • 2.Sd6#
      • 1...Bf4
        • 2.Sb6#
        • 2.e7#
      • 1...f5
        • 2.Sb6#
        • 2.Sd6#
      • 1...Ra6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.e7#
      • 1...Rxf7
        • 2.Sxa5#
      • 1...Rg5
        • 2.Se3#
      • 1...Rd7
        • 2.Sxa5#
        • 2.exd7#
      • 1...Re7
        • 2.Sxa5#
      • 1...f5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(e);S_CUTB(f)::S(B)
    • R(g);OGATE::B(G)+P(E),XR(g)
    • B(f);N_GUARD::S(B),XB(f)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);XB(G)::S(F)
        • R(g);OGATE::B(G)+P(E),XR(g)
        • R(g);::S(F)
        • B(f);::B(G)+P(E)
      • Refutation
        • R(g);
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Refutation
        • R(g);
  • Actual
    • S(F);
    • Threat
      • B(G)+P(E)
    • Vars
      • R(g);N_GUARD,XB(G)::S(F),XP(b)
      • R(e);S_CUTB(f)::S(B)
      • R(g);N_GUARD::S(F),XP(b)
      • P(d);N_GUARD::S(F)
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).