MESON Chess Problem Database
Problem Display
PID: 21666 (B1Q1K1kr/3P3p/2n4P/7p/8/8/1pp1p1p1/R1B1nN1R w - - 0 1)
Hume, George
Good Companions (February), 1920
#2
9 + 10
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Ke7#
- 1...Sd4
- 2.Ke7#
- 1...Sa5
- 2.Ke7#
- 2.Bd5#
- 1...Se5
- 2.Ke7#
- 1...Sa7
- 2.Bd5#
- 2.Qc4#
- 1...Se7
- 2.Kxe7#
- 1...Sb8
- 2.Ke7#
- 2.Bd5#
- 2.Qc4#
- 1...Sb4
- Tries
- 1.d8Q?
- threat
- 2.Qe6#
- 2.Qg5#
- 2.Qd5#
- 1...bxa1Q
- 2.Qe6#
- 2.Qd5#
- 1...bxa1B
- 2.Qe6#
- 2.Qd5#
- 1...bxc1Q
- 2.Qe6#
- 2.Qd5#
- 1...bxc1B
- 2.Qe6#
- 2.Qd5#
- 1...exf1Q
- 2.Qg5#
- 1...exf1R
- 2.Qg5#
- 1...gxf1Q
- 2.Qg5#
- 1...gxf1R
- 2.Qg5#
- 1...gxh1Q
- 2.Qe6#
- 2.Qg5#
- 1...gxh1B
- 2.Qe6#
- 2.Qg5#
- 1...g1Q
- 2.Qe6#
- 2.Qd5#
- 1...g1R
- 2.Qe6#
- 2.Qd5#
- 1...Sf3
- 2.Qe6#
- 2.Qd5#
- 1...Sb4
- 2.Ke7#
- 2.Qe6#
- 2.Qg5#
- 1...Sd4
- 2.Ke7#
- 2.Qg5#
- 1...Se5
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 2.Qe6#
- 1...Sxd8!
- threat
- 1.d8Q?
- Keys
- 1.Qb8!
- threat
- 2.Qg3#
- 2.Qb3#
- 1...Sxb8
- 2.Bd5#
- 1...bxa1Q
- 2.Qb3#
- 1...bxa1S
- 2.Qg3#
- 1...bxa1B
- 2.Qb3#
- 1...bxc1Q
- 2.Qb3#
- 1...bxc1S
- 2.Qg3#
- 1...bxc1B
- 2.Qb3#
- 1...exf1Q
- 2.Qg3#
- 1...exf1S
- 2.Qb3#
- 1...exf1B
- 2.Qg3#
- 1...exf1R
- 2.Qg3#
- 1...gxf1Q
- 2.Qg3#
- 1...gxf1S
- 2.Qb3#
- 1...gxf1R
- 2.Qg3#
- 1...gxh1Q
- 2.Qg3#
- 1...gxh1S
- 2.Qb3#
- 1...gxh1B
- 2.Qg3#
- 1...b1Q
- 2.Qg3#
- 1...b1R
- 2.Qg3#
- 1...g1Q
- 2.Qb3#
- 1...g1R
- 2.Qb3#
- 1...Sf3
- 2.Qb3#
- 1...Sb4
- 2.Ke7#
- 2.Qg3#
- 1...Sd4
- 2.Ke7#
- 2.Qg3#
- 1...Sa5
- 2.Ke7#
- 2.Bd5#
- 2.Qg3#
- 1...Se5
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...Sd8
- 2.Qg3#
- 1...h4
- 2.Qb3#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 24
- REMOVED MATES = 2
- Sets
- S(g);::QAR(H)+K(I)
- S(g);::QAR(H)+K(I),XS(g)
- Tries
- Try
- P(F);
- Threat
- DUALS(3)
- Vars
- P(d);XS(C)::QAR(F)
- P(e);XS(C)::QAR(F)
- S(g);::QAR(F)+K(I)
- Refutation
- S(g);XQ(F)
- Try
- Actual
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(g);OGATE,XQ(H)::B(G)
- P(b);XR(A)::QAB(H)
- P(b);XR(A)::QAR(H)
- P(b);XB(B)::QAB(H)
- P(b);XB(B)::QAR(H)
- P(d);XS(C)::QAR(H)
- P(d);XS(C)::QAB(H)
- P(e);XS(C)::QAR(H)
- P(e);XS(C)::QAB(H)
- P(e);XR(D)::QAR(H)
- P(e);XR(D)::QAB(H)
- P(b);::QAR(H)
- P(e);::QAB(H)
- S(a);::QAB(H)
- S(g);::QAR(H)+K(I)
- S(g);::QAR(H)+K(I),XS(g)
- S(g);::QAR(H)
- P(f);::QAB(H)
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).