MESON Chess Problem Database

Problem Display
PID: 46454 (8/8/1pN5/1B6/pR1N4/2k5/P1P5/R3Kb2 w Q - 0 1)

Wester, Anders Emil

L'Italia Scacchistica, 0000

8/8/1pN5/1B6/pR1N4/2k5/P1P5/R3Kb2

#2

8 + 4

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...a3
      • 2.Rb3#
  • Tries
    • 1.Se2+?
      • 1...Kxc2
        • 2.Scd4#
        • 2.Rc1#
      • 1...Bxe2!
    • 1.Bxf1?
      • 1...a3
        • 2.Rb3#
      • 1...b5!
    • 1.Bd3?
      • threat
        • 2.Sb5#
      • 1...b5
        • 2.Sxb5#
      • 1...Bxd3!
    • 1.Rc1?
      • 1...Bxb5
        • 2.Sxb5#
      • 1...Bd3
        • 2.cxd3#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bg2
        • 2.Se2#
      • 1...Bh3
        • 2.Se2#
      • 1...a3
        • 2.Rb3#
      • 1...Bc4!
  • Keys
    • 1.0-0-0!
      • 1...Bxb5
        • 2.Sxb5#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bg2
        • 2.Se2#
        • 2.Rd3#
        • 2.Rc4#
      • 1...Bh3
        • 2.Se2#
        • 2.Rd3#
        • 2.Rc4#
      • 1...Bc4
        • 2.Rxc4#
      • 1...a3
        • 2.Rb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::R1(E)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • B(a);XS(F)
    • Try
      • B(G);XB(a)
      • Vars
        • P(c);N_GUARD::R1(E)
      • Refutation
        • P(d);
    • Try
      • B(G);
      • Threat
        • S(F)
      • Vars
        • P(d);::S(F),XP(d)
      • Refutation
        • B(a);XB(G)
    • Try
      • R(A);
      • Vars
        • B(a);XB(G)::S(F),XB(a)
        • B(a);OGATE::R(A)+P(D),XB(a)
        • B(a);N_GUARD::S(F),XB(a)
        • B(a);N_GUARD::S(F)
        • P(c);N_GUARD::R1(E)
      • Refutation
        • B(a);
  • Actual
    • K(B);0-0-0
    • Vars
      • B(a);XB(G)::S(F),XB(a)
      • B(a);N_GUARD::R1(A),XB(a)
      • B(a);N_GUARD::S(F),XB(a)
      • B(a);N_GUARD::R1(E),XB(a)
      • P(c);N_GUARD::R1(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).