MESON Chess Problem Database

Problem Display
PID: 21168 (2Bq1n2/2NnN3/3k2p1/8/b7/8/2R1QK2/8 w - - 0 1)

Grabowski, Kazimierz

Good Companions (December Meredith Ty.), 1917

2Bq1n2/2NnN3/3k2p1/8/b7/8/2R1QK2/8

#2

6 + 6

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc8
      • 2.Sxc8#
    • 1...Qe8
      • 2.Sxe8#
    • 1...Bb3
      • 2.Sb5#
      • 2.Rc6#
    • 1...Bb5
      • 2.Sxb5#
    • 1...Bc6
      • 2.Rxc6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sh7
      • 2.Qe6#
    • 1...g5
      • 2.Sf5#
  • Keys
    • 1.Qe3!
      • 1...Qxc7
        • 2.Rd2#
      • 1...Qxe7
        • 2.Qd4#
      • 1...Qxc8
        • 2.Sxc8#
      • 1...Bxc2
        • 2.Sb5#
      • 1...Bc6
        • 2.Rxc6#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Se5
        • 2.Qc5#
        • 2.Qa3#
      • 1...Se6
        • 2.Qxe6#
      • 1...Qe8
        • 2.Sxe8#
      • 1...Bb3
        • 2.Sb5#
        • 2.Rc6#
      • 1...Bb5
        • 2.Sxb5#
      • 1...Sb6
        • 2.Qc5#
      • 1...Sf6
        • 2.Qc5#
      • 1...Sb8
        • 2.Qc5#
      • 1...Sh7
        • 2.Qe6#
      • 1...g5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(e);XB(F)::S(E),XQ(e)
    • Q(e);N_GUARD::S(D),XQ(e)
    • B(a);N_GUARD::S(D),XB(a)
    • B(a);N_GUARD::R1(A),XB(a)
    • S(f);N_GUARD::QAR1(B),XS(f)
    • S(f);N_GUARD::QAR1(B)
    • P(c);N_GUARD::S(E)
  • Actual
    • Q(B);
    • Vars
      • Q(e);SBLOCK,XS(D)::R(A)
      • Q(e);SBLOCK,XS(E)::QAR2(B)
      • Q(e);XB(F)::S(E),XQ(e)
      • B(a);N_GUARD,XR(A)::S(D)
      • B(a);N_GUARD::R1(A),XB(a)
      • S(d);N_GUARD::QAB1(B),XS(d)
      • S(f);N_GUARD::QAR1(B),XS(f)
      • Q(e);N_GUARD::S(D),XQ(e)
      • B(a);N_GUARD::S(D),XB(a)
      • S(d);N_GUARD::QAB1(B)
      • S(f);N_GUARD::QAR1(B)
      • P(c);N_GUARD::S(E)
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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).