MESON Chess Problem Database
Problem Display
PID: 155498 (Q7/2P1b3/7B/6P1/2N1Pk1K/1b6/n5B1/8 w - - 0 1)
Carpenter, George Edward
Columbia Chess Chronicle, 1889
(First published on Thu Mar 28 1889)
#2
8 + 4
| 14907 | Good Companion Chess Problem Club | 1916 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.g6#
- 1...Bb4
- 2.g6#
- 1...Bc5
- 2.g6#
- 1...Bxg5+
- 2.Bxg5#
- 1...Bd6
- 2.g6#
- 1...Bf6
- 2.gxf6#
- 1...Bf8
- 2.Qxf8#
- 1...Ba3
- Tries
- 1.Qd5?
- threat
- 2.Qd2#
- 2.Qe5#
- 2.Qf5#
- 1...Bxg5+
- 2.Bxg5#
- 2.Qxg5#
- 1...Bb4
- 2.Qf7#
- 2.Qe5#
- 2.Qf5#
- 2.g6#
- 1...Bc5
- 2.Qf7#
- 2.Qe5#
- 2.Qf5#
- 2.g6#
- 1...Bd6
- 2.Qf7#
- 2.Qd2#
- 2.Qf5#
- 2.Qxd6#
- 2.g6#
- 1...Bf6
- 2.Qd2#
- 2.Qf5#
- 2.gxf6#
- 1...Bxc4!
- threat
- 1.Qa5?
- threat
- 2.Qd2#
- 2.Qe5#
- 2.Qf5#
- 1...Bxg5+
- 2.Bxg5#
- 2.Qxg5#
- 1...Bb4
- 2.Qe5#
- 2.Qf5#
- 2.g6#
- 1...Bc5
- 2.g6#
- 1...Bd6
- 2.Qd2#
- 2.Qf5#
- 2.g6#
- 1...Bf6
- 2.Qd2#
- 2.Qf5#
- 2.gxf6#
- 1...Sc3
- 2.Qe5#
- 2.Qf5#
- 1...Sb4
- 2.Qe5#
- 2.Qf5#
- 1...Bxc4!
- threat
- 1.Qa7?
- threat
- 2.Qf2#
- 2.Qe3#
- 1...Bxg5+
- 2.Bxg5#
- 1...Bd1
- 2.Qe3#
- 1...Bc5
- 2.g6#
- 1...Bxc4!
- threat
- 1.Qc8?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Bxg5+
- 2.Bxg5#
- 1...Bd1
- 2.Qf5#
- 1...Bxc4!
- threat
- 1.Qf8+?
- 1...Bf6
- 2.Qxf6#
- 2.gxf6#
- 1...Bxf8!
- 1...Bf6
- 1.Qh8?
- threat
- 2.Qe5#
- 1...Bxg5+
- 2.Bxg5#
- 1...Bd6
- 2.Qf6#
- 2.g6#
- 1...Bf6
- 2.Qxf6#
- 2.gxf6#
- 1...Bxc4!
- threat
- 1.c8Q?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Bxg5+
- 2.Bxg5#
- 1...Bd1
- 2.Qf5#
- 1...Bxc4!
- threat
- 1.Qd5?
- Keys
- 1.Qa3!
- 1...Bxg5+
- 2.Bxg5#
- 1...Bxc4
- 2.Qg3#
- 1...Bxa3
- 2.g6#
- 1...Bd1
- 2.Qe3#
- 2.Qg3#
- 1...Bc2
- 2.Qe3#
- 2.Qf3#
- 2.Qg3#
- 1...Ba4
- 2.Qe3#
- 2.Qf3#
- 2.Qg3#
- 1...Bb4
- 2.g6#
- 1...Bc5
- 2.g6#
- 1...Bd6
- 2.Qxd6#
- 2.g6#
- 1...Bf6
- 2.gxf6#
- 1...Bd8
- 2.Qd6#
- 1...Bf8
- 2.Qxf8#
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- 1...Bxg5+
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(d);N_PINP(E)::B(F)+P(E)
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- B(d);::B(F)+P(E),XB(d)
- B(d);N_GUARD,N_PINP(E)::QAR(H),XB(d)
- Tries
- Try
- Q(H);
- Threat
- DUALS(3)
- Refutation
- B(b);XS(B)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(d);N_PINP(E)::B(F)+P(E)
- Refutation
- B(b);XS(B)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- B(b);::QAB1(H)
- B(d);N_PINP(E)::B(F)+P(E)
- Refutation
- B(b);XS(B)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- B(b);::QAR1(H)
- Refutation
- B(b);XS(B)
- Try
- Q(H);CHECK
- Refutation
- B(d);N_PINP(E),XQ(H)
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- Refutation
- B(b);XS(B)
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- B(b);::QAR1(G)
- Refutation
- B(b);XS(B)
- Try
- Actual
- Q(H);
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XP(E)::B(F),XB(d)
- B(b);OGATE,XS(B)::QAB1(H)
- B(d);N_PINP(E),XQ(H)::B(F)+P(E)
- B(d);N_PINP(E)::B(F)+P(E)
- B(d);::B(F)+P(E),XB(d)
- B(d);N_GUARD::QAB(H)
- B(d);N_PINP(E),OGATE::QAR(H),XB(d)
- S(a);N_GUARD::QAB(H),XS(a)
- S(a);N_GUARD::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).