MESON Chess Problem Database

Problem Display
PID: 152166 (3b2n1/3R1p2/6R1/1K2k3/5p1B/3P3B/8/8 w - - 0 1)

Windle, REL

Good Companions (May Meredith Ty.), 1915

3b2n1/3R1p2/6R1/1K2k3/5p1B/3P3B/8/8

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sf6
      • 2.Rg5#
    • 1...Se7
      • 2.Bf6#
    • 1...f3
      • 2.Bg3#
  • Tries
    • 1.Kc6?
      • threat
        • 2.Rd5#
      • 1...f3
        • 2.Bg3#
      • 1...Sf6
        • 2.Rg5#
      • 1...Se7+!
    • 1.Bf2?
      • threat
        • 2.Bd4#
      • 1...f3
        • 2.Bg3#
      • 1...Bb6!
    • 1.Bf6+?
      • 1...Sxf6
        • 2.Rg5#
      • 1...Bxf6!
  • Keys
    • 1.Kc4!
      • threat
        • 2.Rd5#
      • 1...f3
        • 2.Bg3#
      • 1...Sf6
        • 2.Rg5#
      • 1...Se7
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(e);SBLOCK,S_CUTB(d),S_CUTP(c)::R(E)
    • S(e);N_GUARD,S_CUTB(d)::B(C)
    • P(a);OGATEB::B(C)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • R1(F)
      • Vars
        • P(a);OGATEB::B(C)
        • S(e);SBLOCK,S_CUTB(d),S_CUTP(c)::R(E)
      • Refutation
        • S(e);CHECK
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • B(d);
    • Try
      • B(C);CHECK
      • Vars
        • S(e);SBLOCK,XB(C)::R(E)
      • Refutation
        • B(d);XB(C)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • R1(F)
    • Vars
      • P(a);OGATEB::B(C)
      • S(e);SBLOCK,S_CUTB(d),S_CUTP(c)::R(E)
      • S(e);N_GUARD,S_CUTB(d)::B(C)
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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).