MESON Chess Problem Database

Problem Display
PID: 46789 (8/1K3QNn/2RpR1p1/1B1p3b/3k4/5P2/5r2/2b3N1 w - - 0 1)

Wester, Anders Emil

L'Italia Scacchistica, 0000

8/1K3QNn/2RpR1p1/1B1p3b/3k4/5P2/5r2/2b3N1

#2

8 + 8

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Se2#
    • 1...Rd2
      • 2.Qf4#
    • 1...Re2
      • 2.Sxe2#
    • 1...Rxf3
      • 2.Se2#
    • 1...Bb2
      • 2.Qf4#
    • 1...Ba3
      • 2.Qf4#
    • 1...Bf4
      • 2.Qxf4#
    • 1...Sg5
      • 2.Qf6#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sf8
      • 2.Qf6#
    • 1...g5
      • 2.Sf5#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Sf5#
        • 2.Qd3#
      • 1...Rxf3
        • 2.Se2#
      • 1...Rd2
        • 2.Sf5#
      • 1...Bg4
        • 2.Qd3#
      • 1...Bxg6!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qd3#
      • 1...Rxf3
        • 2.Se2#
      • 1...gxf5
        • 2.Sxf5#
      • 1...Rd2
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(b);N_GUARD::S(A)
    • R(b);S_CUTB(a)::QAR2(G)
    • R(b);N_GUARD::S(A),XR(b)
    • R(b);N_GUARD,XP(B)::S(A)
    • B(a);N_GUARD::QAR2(G)
    • B(a);N_GUARD::QAR2(G),XB(a)
    • S(h);N_GUARD::QAB(G)
    • S(h);N_GUARD::QAB(G),XS(h)
    • P(g);N_GUARD::S(H)
  • Tries
    • Try
      • Q(G);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);N_GUARD,XP(B)::S(A)
        • R(b);::S(H)
        • B(e);::QAR1(G)
      • Refutation
        • B(e);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • R(b);N_GUARD,XP(B)::S(A)
      • P(g);XQ(G)::S(H),XP(g)
      • R(b);S_CUTB(a)::QAR2(G)
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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).