MESON Chess Problem Database
Problem Display
PID: 223369 (7n/2b2pK1/3P4/r4kpp/1pQ5/1P4pP/4RpN1/1b6 w - - 0 1)
Wainwright, Joseph CJ
St. Louis Globe Democrat, 1886
#2
7 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...Be4
- 2.Qxe4#
- 1...Bb6
- 2.Qc8#
- 1...Bxd6
- 2.Qc8#
- 1...Bb8
- 2.Qc8#
- 1...Bd8
- 2.Qc8#
- 1...Sg6
- 2.Qxf7#
- 1...g4
- 2.Qf4#
- 1...h4
- 2.Qg4#
- 1...f6
- 2.Qe6#
- 1...Ra1
- Tries
- 1.Re7?
- threat
- 2.Se3#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...Be4
- 2.Qxe4#
- 1...Bb6
- 2.Qc8#
- 1...Re5!
- threat
- 1.Re8?
- threat
- 2.Se3#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...Be4
- 2.Qxe4#
- 1...Bb6
- 2.Qc8#
- 1...Re5!
- threat
- 1.Qc3?
- threat
- 2.Qf6#
- 2.Qf3#
- 1...Bxd6
- 2.Qf6#
- 2.Qc8#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...Be4
- 2.Qf6#
- 1...g4
- 2.Qf6#
- 1...f1Q
- 2.Qf6#
- 1...f1R
- 2.Qf6#
- 1...Bd3
- 2.Qf6#
- 2.Qxd3#
- 1...Bd8
- 2.Qf3#
- 2.Qc8#
- 1...Sg6
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 2.Qf3#
- 1...bxc3!
- threat
- 1.Qd4?
- threat
- 2.Qf6#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...f6
- 2.Qxf6#
- 1...Bd8!
- threat
- 1.dxc7?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Be4
- 2.Qxe4#
- 1...g4
- 2.Qf4#
- 1...f1Q
- 2.c8Q#
- 2.c8B#
- 1...f1S
- 2.c8Q#
- 2.c8B#
- 1...f1B
- 2.c8Q#
- 2.c8B#
- 1...f1R
- 2.c8Q#
- 2.c8B#
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 2.c8Q#
- 2.c8B#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 2.c8Q#
- 2.c8B#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 2.c8Q#
- 2.c8B#
- 1...Rb5
- 2.Qxb5#
- 2.c8Q#
- 2.c8B#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 2.c8Q#
- 2.c8B#
- 1...Bc2
- 2.Qxc2#
- 2.c8Q#
- 2.c8B#
- 1...Bd3
- 2.Qxd3#
- 2.c8Q#
- 2.c8B#
- 1...Sg6
- 2.Qxf7#
- 2.c8Q#
- 2.c8B#
- 1...h4
- 2.Qg4#
- 2.c8Q#
- 2.c8B#
- 1...f6
- 2.Qe6#
- 2.c8Q#
- 2.c8B#
- 1...Re5!
- threat
- 1.Re7?
- Keys
- 1.Re3!
- 1...Bxd6
- 2.Qc8#
- 1...Be4
- 2.Qxe4#
- 1...g4
- 2.Qf4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...Bb6
- 2.Qc8#
- 1...Bb8
- 2.Qc8#
- 1...Bd8
- 2.Qc8#
- 1...Sg6
- 2.Qxf7#
- 1...h4
- 2.Qg4#
- 1...f6
- 2.Qe6#
- 1...Bxd6
- 1.Re3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::QAR(E),XR(e)
- R(e);N_GUARD::QAR2(E),XR(e)
- B(a);N_GUARD::QAB(E),XB(a)
- B(a);N_GUARD::QAB1(E),XB(a)
- B(i);OGATE::QAB(E)
- B(i);OGATE,XP(F)::QAB(E)
- S(k);N_GUARD::QAR2(E),XP(j)
- P(g);N_GUARD::QAR1(E)
- P(h);N_GUARD::QAB1(E)
- P(j);N_GUARD::QAB1(E)
- Tries
- Try
- R(A);
- Threat
- S(B)
- Vars
- P(g);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- B(a);N_GUARD::QAB1(E),XB(a)
- B(i);OGATE::QAB(E)
- Refutation
- R(e);
- Try
- R(A);
- Threat
- S(B)
- Vars
- P(g);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- B(a);N_GUARD::QAB1(E),XB(a)
- B(i);OGATE::QAB(E)
- Refutation
- R(e);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(E)
- P(g);::QAR1(E)
- P(b);::QAR1(E)
- S(k);::QAR1(E)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- P(j);::QAR1(E),XP(j)
- Refutation
- B(i);
- Try
- P(F);XB(i)
- Threat
- P=Q
- Vars
- B(a);N_GUARD::QAB1(E),XB(a)
- P(g);N_GUARD::QAR1(E)
- P(b);::P=Q
- R(e);N_GUARD::QAR(E),XR(e)
- R(e);N_GUARD::QAR2(E),XR(e)
- Refutation
- R(e);
- Try
- Actual
- R(A);
- Vars
- B(i);OGATE,XP(F)::QAB(E)
- B(a);N_GUARD::QAB1(E),XB(a)
- P(g);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XQ(b)
- P(b);OGATEB::QAR(E),XS(b)
- P(b);OGATEB::QAR(E),XB(b)
- P(b);OGATEB::QAR(E),XR(b)
- R(e);N_GUARD::QAR(E),XR(e)
- R(e);N_GUARD::QAR2(E),XR(e)
- R(e);SBLOCK::R(A)
- B(a);N_GUARD::QAB(E),XB(a)
- B(i);OGATE::QAB(E)
- S(k);N_GUARD::QAR2(E),XP(j)
- P(h);N_GUARD::QAB1(E)
- P(j);N_GUARD::QAB1(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).