MESON Chess Problem Database

Problem Display
PID: 21174 (8/3p4/3k4/3n4/1NRBRN2/3Q4/8/3K4 w - - 0 1)

Fink, Adolf Jay

Good Companions (February Meredith Ty.), 1917

8/3p4/3k4/3n4/1NRBRN2/3Q4/8/3K4

#2

7 + 3

3132 The Good Companion Two-Mover 1922
5064 100 Years of the American Two-move Chess Problem 1962
6479 Problemschach (Sidler) 1968
3310 2345 Chess Problems 1997
45 Schach 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3+
      • 2.Bxc3#
    • 1...Se3+
      • 2.Bxe3#
    • 1...Sb6
      • 2.Bxb6#
    • 1...Sf6
      • 2.Bxf6#
    • 1...Sc7
      • 2.Bc5#
    • 1...Se7
      • 2.Be5#
  • Tries
    • 1.Rc8?
      • threat
        • 2.Bc5#
      • 1...Sc3+
        • 2.Bxc3#
      • 1...Se3+
        • 2.Bxe3#
      • 1...Sc7!
    • 1.Re8?
      • threat
        • 2.Be5#
      • 1...Sc3+
        • 2.Bxc3#
      • 1...Se3+
        • 2.Bxe3#
      • 1...Se7!
  • Keys
    • 1.Qd2!
      • 1...Sc3+
        • 2.Bxc3#
      • 1...Se3+
        • 2.Bxe3#
      • 1...Sxb4
        • 2.Qxb4#
      • 1...Sxf4
        • 2.Qxf4#
      • 1...Sb6
        • 2.Bxb6#
      • 1...Sf6
        • 2.Bxf6#
      • 1...Sc7
        • 2.Bc5#
      • 1...Se7
        • 2.Be5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);CHECK,OGATEB::QAR(B)+B(E),XS(a)
    • S(a);OGATEB::QAR(B)+B(E),XS(a)
    • S(a);SBLOCK::QAR(B)+B(E),DCHECK
  • Tries
    • Try
      • R(D);
      • Threat
        • B(E)
      • Vars
        • S(a);CHECK,OGATEB::QAR(B)+B(E),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(F);
      • Threat
        • B(E)
      • Vars
        • S(a);CHECK,OGATEB::QAR(B)+B(E),XS(a)
      • Refutation
        • S(a);
  • Actual
    • Q(B);
    • Vars
      • S(a);CHECK,OGATEB::QAR(B)+B(E),XS(a)
      • S(a);OGATE,XS(C)::QAB(B),XS(a)
      • S(a);OGATE,XS(G)::QAB(B),XS(a)
      • S(a);OGATEB::QAR(B)+B(E),XS(a)
      • S(a);SBLOCK::QAR(B)+B(E),DCHECK
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).