MESON Chess Problem Database
Problem Display
PID: 52358 (8/2P5/2N5/P1k1Pp2/4qR2/3Q4/2P1P1B1/1K2N3 w - - 0 1)
Bettmann, Henry Wald
Good Companions (November), 1919
#2
11 + 3
| 3132 | The Good Companion Two-Mover | 1922 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
SOLUTION
- SOUND
- Sets
- 1...Kxc6
- 2.c8Q#
- 1...Qxg2
- 2.Qc4#
- 1...Qf3
- 2.Qc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qxc6
- 2.Qc4#
- 1...Qxe2
- 2.Qd5#
- 1...Qe3
- 2.Qc4#
- 2.Qd5#
- 1...Qa4
- 2.Qd5#
- 1...Qc4
- 2.Qxc4#
- 1...Qxf4
- 2.Qd5#
- 1...Kxc6
- Tries
- 1.Rxe4?
- threat
- 2.Qc4#
- 1...Kxc6
- 2.c8Q#
- 1...fxe4!
- threat
- 1.Qxe4?
- threat
- 2.Qd5#
- 2.Qb4#
- 2.Qc4#
- 1...Kb5
- 2.Qc4#
- 1...fxe4!
- threat
- 1.c8Q?
- 1...Qb4+
- 2.Sxb4#
- 1...Qxg2
- 2.Qc4#
- 1...Qxd3
- 2.Sa7#
- 1...Qxc6
- 2.Qc4#
- 2.Qd5#
- 2.Qxc6#
- 1...Qxe2
- 2.Sb4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qd5#
- 2.Qf8#
- 1...Qxf4
- 2.Qd5#
- 2.Qf8#
- 1...Qxe5
- 2.Sxe5#
- 1...Qc4
- 2.Qxc4#
- 1...Qf3
- 2.Qc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qe3
- 2.Sb4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qd5#
- 2.Qf8#
- 1...Qa4
- 2.Qd5#
- 2.Qf8#
- 1...Qd4!
- 1...Qb4+
- 1.c8R?
- 1...Qb4+
- 2.Sxb4#
- 1...Qxg2
- 2.Qc4#
- 1...Qxd3
- 2.Sa7#
- 1...Qxc6
- 2.Rxc6#
- 2.Qc4#
- 2.Qd5#
- 1...Qxe2
- 2.Sb4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qd5#
- 1...Qxf4
- 2.Qd5#
- 1...Qxe5
- 2.Sxe5#
- 1...Qc4
- 2.Qxc4#
- 1...Qf3
- 2.Qc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qe3
- 2.Sb4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qd5#
- 1...Qa4
- 2.Qd5#
- 1...Qd4!
- 1...Qb4+
- 1.Rxe4?
- Keys
- 1.c4!
- 1...Qxd3+
- 2.Sxd3#
- 1...Kxc6
- 2.c8Q#
- 1...Qxg2
- 2.Qd6#
- 1...Qxc6
- 2.Qa3#
- 1...Qxe2
- 2.Qa3#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Qxc4
- 2.Qxc4#
- 1...Qxf4
- 2.Qd5#
- 1...Qxe5
- 2.Qa3#
- 1...Qf3
- 2.Qd6#
- 1...Qd5
- 2.Qxd5#
- 1...Qe3
- 2.Qxe3#
- 2.Qd5#
- 2.Qd6#
- 1...Qd4
- 2.Qxd4#
- 1...Qxd3+
- 1.c4!
There are these versions: 100855
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- K(b);P-FLIGHT,P_SPINQ(a),XS(J)::P=Q
- Q(a);N_GUARD,XB(E)::QAR1(F)
- Q(a);N_GUARD::QAR1(F)
- Q(a);N_GUARD::QAR1(F),XQ(a)
- Q(a);N_GUARD,XS(J)::QAR1(F)
- Q(a);N_GUARD,XP(D)::QAR1(F)
- Q(a);N_GUARD,XR(G)::QAR1(F)
- Tries
- Try
- R(G);XQ(a)
- Threat
- QAR1(F)
- Vars
- K(b);P-FLIGHT,XS(J)::P=Q
- Refutation
- P(c);XR(G)
- Try
- Q(F);XQ(a)
- Threat
- DUALS(3)
- Vars
- K(b);P-FLIGHT::QAB1(F)
- Refutation
- P(c);XQ(F)
- Try
- P(K);
- Vars
- Q(a);CHECK,N_GUARD::QAR(K)+S(J),XQ(a)
- Q(a);N_GUARD,XB(E)::QAR1(F)
- Q(a);N_GUARD,P_PINP(C),XQ(F)::QAR(K)+S(J)
- Q(a);XP(I)::QAR(K)+S(J),XQ(a)
- Q(a);N_GUARD::QAR1(F),XQ(a)
- Q(a);N_GUARD::QAR1(F)
- Refutation
- Q(a);
- Try
- P(K);
- Vars
- Q(a);CHECK,N_GUARD::R(K)+S(J),XQ(a)
- Q(a);N_GUARD,XB(E)::QAR1(F)
- Q(a);N_GUARD,P_PINP(C),XQ(F)::R(K)+S(J)
- Q(a);N_GUARD,XR(G)::QAR1(F)
- Q(a);XP(I)::R(K)+S(J),XQ(a)
- Q(a);N_GUARD::QAR1(F),XQ(a)
- Q(a);N_GUARD::QAR1(F)
- Refutation
- Q(a);
- Try
- Actual
- P(C);P_SPINQ(F)
- Vars
- Q(a);CHECK,XQ(F)::S(B),XQ(a)
- K(b);P-FLIGHT,P_SPINQ(a),XS(J)::P=Q
- Q(a);N_PINQ(F),XB(E)::QAB1(F)
- Q(a);N_PINQ(F),XS(J)::QAB(F)
- Q(a);N_PINQ(F),XP(C)::QAR1(F),XQ(a)
- Q(a);N_PINQ(F),XR(G)::QAR1(F)
- Q(a);N_PINQ(F),XP(I)::QAB(F)
- Q(a);N_PINQ(F)::QAB1(F)
- Q(a);N_PINQ(F)::QAR1(F),XQ(a)
- Q(a);N_PINQ(F)::QAB1(F),XQ(a)
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).