MESON Chess Problem Database
Problem Display
PID: 4754 (2Q2K2/8/B1ppppp1/1q6/6P1/5N1k/8/6R1 w - - 0 1)
Teed, Frank Melville
Dubuque Chess Journal, 1890
#2
6 + 7
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Bxf1#
- 1...Qa4
- 2.Bf1#
- 1...Qb3
- 2.Bf1#
- 1...Qb4
- 2.Bf1#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 1...Qb7
- 2.Bf1#
- 1...Qb8
- 2.Bf1#
- 1...Qf1
- Tries
- 1.Ke7?
- 1...Qxa6
- 2.Qh8#
- 1...Qf1
- 2.Bxf1#
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qd3
- 2.Qh8#
- 1...Qa4
- 2.Bf1#
- 2.Qh8#
- 1...Qc4
- 2.Qh8#
- 1...Qb1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb3
- 2.Bf1#
- 2.Qh8#
- 1...Qb4
- 2.Bf1#
- 2.Qh8#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh8#
- 1...Qb8
- 2.Bf1#
- 1...c5
- 2.Qh8#
- 1...d5
- 2.Qh8#
- 1...e5
- 2.Qh8#
- 1...f5
- 2.Qh8#
- 1...g5
- 2.Qh8#
- 1...Qb7+!
- 1...Qxa6
- 1.Kf7?
- 1...Qxa6
- 2.Qh8#
- 1...Qf1
- 2.Bxf1#
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qd3
- 2.Qh8#
- 1...Qa4
- 2.Bf1#
- 2.Qh8#
- 1...Qc4
- 2.Qh8#
- 1...Qb1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb3
- 2.Bf1#
- 2.Qh8#
- 1...Qb4
- 2.Bf1#
- 2.Qh8#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh8#
- 1...Qb8
- 2.Bf1#
- 1...c5
- 2.Qh8#
- 1...d5
- 2.Qh8#
- 1...e5
- 2.Qh8#
- 1...f5
- 2.Qh8#
- 1...g5
- 2.Qh8#
- 1...Qb7+!
- 1...Qxa6
- 1.Kg7?
- 1...Qxa6
- 2.Qh8#
- 1...Qf1
- 2.Bxf1#
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qd3
- 2.Qh8#
- 1...Qa4
- 2.Bf1#
- 2.Qh8#
- 1...Qc4
- 2.Qh8#
- 1...Qb1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb3
- 2.Bf1#
- 2.Qh8#
- 1...Qb4
- 2.Bf1#
- 2.Qh8#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh8#
- 1...Qb8
- 2.Bf1#
- 1...c5
- 2.Qh8#
- 1...d5
- 2.Qh8#
- 1...e5
- 2.Qh8#
- 1...f5
- 2.Qh8#
- 1...g5
- 2.Qh8#
- 1...Qb7+!
- 1...Qxa6
- 1.Qd7?
- 1...Qxa6
- 2.Qh7#
- 1...Qf1
- 2.Bxf1#
- 2.Qh7#
- 1...Qe2
- 2.Qh7#
- 1...Qd3
- 2.Qh7#
- 1...Qa4
- 2.Bf1#
- 2.Qh7#
- 1...Qc4
- 2.Qh7#
- 1...Qb1
- 2.Qh7#
- 1...Qb2
- 2.Qh7#
- 1...Qb3
- 2.Bf1#
- 2.Qh7#
- 1...Qb4
- 2.Bf1#
- 2.Qh7#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh7#
- 1...Qb7
- 2.Bf1#
- 1...c5
- 2.Qh7#
- 1...d5
- 2.Qh7#
- 1...e5
- 2.Qh7#
- 1...f5
- 2.Qh7#
- 1...g5
- 2.Qh7#
- 1...Qb8+!
- 1...Qxa6
- 1.Qc7?
- 1...Qxa6
- 2.Qh7#
- 1...Qf1
- 2.Bxf1#
- 2.Qh7#
- 1...Qe2
- 2.Qh7#
- 1...Qd3
- 2.Qh7#
- 1...Qa4
- 2.Bf1#
- 2.Qh7#
- 1...Qc4
- 2.Qh7#
- 1...Qb1
- 2.Qh7#
- 1...Qb2
- 2.Qh7#
- 1...Qb3
- 2.Bf1#
- 2.Qh7#
- 1...Qb4
- 2.Bf1#
- 2.Qh7#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh7#
- 1...Qb7
- 2.Bf1#
- 1...c5
- 2.Qh7#
- 1...d5
- 2.Rg3#
- 2.Qh2#
- 2.Qg3#
- 2.Qh7#
- 1...e5
- 2.Qh7#
- 1...f5
- 2.Qh7#
- 1...g5
- 2.Qh7#
- 1...Qb8+!
- 1...Qxa6
- 1.Ke7?
- Keys
- 1.Qb7!
- 1...Qxa6
- 2.Qh7#
- 1...Qxb7
- 2.Bf1#
- 1...Qf1
- 2.Bxf1#
- 2.Qh7#
- 1...Qe2
- 2.Qh7#
- 1...Qd3
- 2.Qh7#
- 1...Qa4
- 2.Bf1#
- 2.Qh7#
- 1...Qc4
- 2.Qh7#
- 1...Qb1
- 2.Qh7#
- 1...Qb2
- 2.Qh7#
- 1...Qb3
- 2.Bf1#
- 2.Qh7#
- 1...Qb4
- 2.Bf1#
- 2.Qh7#
- 1...Qa5
- 2.Bf1#
- 1...Qc5
- 2.Bf1#
- 1...Qd5
- 2.Bf1#
- 1...Qe5
- 2.Bf1#
- 1...Qf5
- 2.Bf1#
- 1...Qg5
- 2.Bf1#
- 1...Qh5
- 2.Bf1#
- 1...Qb6
- 2.Bf1#
- 2.Qh7#
- 1...c5
- 2.Qh7#
- 1...d5
- 2.Qh7#
- 1...e5
- 2.Qh7#
- 1...f5
- 2.Qh7#
- 1...g5
- 2.Qh7#
- 1...Qxa6
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 6
- Sets
- Q(b);OGATE::B(D),XQ(b)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- Q(b);OGATE,P_PINQ(E)::B(D)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(d);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
- Refutation
- Q(b);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(d);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
- Refutation
- Q(b);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(d);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
- Refutation
- Q(b);CHECK
- Try
- Q(E);
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(d);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
- Refutation
- Q(b);CHECK
- Try
- Q(E);
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
- Refutation
- Q(b);CHECK
- Try
- Actual
- Q(E);
- Vars
- Q(b);N_GUARD,XB(D)::QAR(E)
- Q(b);OGATE,XQ(E)::B(D)
- Q(b);N_GUARD::QAR(E)
- Q(b);OGATE,SBLOCK::B(D)
- Q(b);OGATE::B(D)
- P(c);S_CUTQ(b)::QAR(E)
- P(d);S_CUTQ(b)::QAR(E)
- P(e);S_CUTQ(b)::QAR(E)
- P(f);S_CUTQ(b)::QAR(E)
- P(g);S_CUTQ(b)::QAR(E)
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).