MESON Chess Problem Database
Problem Display
PID: 214894 (8/6Qp/1K1BpN1n/N7/2Bk3b/2p5/3p1P2/8 w - - 0 1)
Shinkman, William Anthony
St. Louis Globe Democrat, 1878
#2
7 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Qg4#
- 1...Sf7
- 2.Qg4#
- 1...Sg8
- 2.Qg4#
- 1...e5
- 2.Bc5#
- 1...Sg4
- Tries
- 1.Qxh6?
- threat
- 2.Qe3#
- 2.Qf4#
- 2.Qxh4#
- 1...Bxf2
- 2.Qf4#
- 1...Bxf6
- 2.Qe3#
- 2.Qf4#
- 1...c2
- 2.Qxd2#
- 2.Qe3#
- 1...d1Q
- 2.Qe3#
- 2.Qf4#
- 1...d1S
- 2.Qf4#
- 2.Qxh4#
- 1...d1B
- 2.Qe3#
- 2.Qf4#
- 1...Bg3
- 2.Qe3#
- 1...e5
- 2.Bc5#
- 2.Qe3#
- 1...Bg5!
- threat
- 1.Qg3?
- threat
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qe5#
- 2.Qd3#
- 2.Qe3#
- 1...Bxf6
- 2.Qf4#
- 2.Qd3#
- 2.Qe3#
- 1...d1Q
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qe5#
- 2.Qe3#
- 1...d1S
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qe5#
- 2.Qd3#
- 1...d1R
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qe5#
- 2.Qe3#
- 1...Bg5
- 2.Bc5#
- 2.Be5#
- 2.Qe5#
- 2.Qd3#
- 1...Sg4
- 2.Bc5#
- 2.Qf4#
- 2.Qd3#
- 2.Qxg4#
- 1...Sf5
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qe5#
- 2.Qd3#
- 2.Qg4#
- 1...Sf7
- 2.Bc5#
- 2.Qf4#
- 2.Qxh4#
- 2.Qd3#
- 2.Qe3#
- 2.Qg4#
- 1...c2
- 2.Bc5#
- 2.Be5#
- 2.Qe5#
- 2.Qd3#
- 2.Qe3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Qxe5#
- 2.Qd3#
- 2.Qe3#
- 1...Bxg3!
- threat
- 1.Qg5?
- threat
- 2.Bc5#
- 2.Be5#
- 2.Qe3#
- 2.Qf4#
- 2.Qc5#
- 2.Qe5#
- 1...Bxf2
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qc5#
- 2.Qe5#
- 1...c2
- 2.Be5#
- 2.Qxd2#
- 2.Qe3#
- 2.Qe5#
- 1...d1S
- 2.Bc5#
- 2.Be5#
- 2.Qf4#
- 2.Qc5#
- 2.Qe5#
- 1...Bg3
- 2.Bc5#
- 2.Qe3#
- 2.Qc5#
- 1...Sg4
- 2.Bc5#
- 2.Qf4#
- 2.Qxg4#
- 2.Qc5#
- 1...Sf5
- 2.Qf4#
- 2.Qg4#
- 1...Sf7
- 2.Bc5#
- 2.Qe3#
- 2.Qf4#
- 2.Qxh4#
- 2.Qg4#
- 2.Qc5#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Qe3#
- 2.Qxe5#
- 1...Bxg5!
- threat
- 1.Qg6?
- threat
- 2.Qd3#
- 2.Qe4#
- 1...Bxf6
- 2.Qd3#
- 1...c2
- 2.Qd3#
- 1...d1Q
- 2.Qe4#
- 1...d1R
- 2.Qe4#
- 1...Sf5
- 2.Qg4#
- 1...hxg6!
- threat
- 1.Qc7?
- threat
- 2.Sb3#
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 1...Bxf2
- 2.Bc5#
- 2.Qc5#
- 1...c2
- 2.Be5#
- 1...d1Q
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 1...d1B
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 1...Bg3
- 2.Sb3#
- 2.Bc5#
- 2.Qc5#
- 1...Sg4
- 2.Sb3#
- 2.Bc5#
- 2.Qc5#
- 1...Sf7
- 2.Sb3#
- 2.Bc5#
- 2.Qc5#
- 1...e5
- 2.Sb3#
- 2.Bc5#
- 2.Bxe5#
- 2.Qc5#
- 1...Bxf6!
- threat
- 1.Qxh7?
- threat
- 2.Qd3#
- 2.Qe4#
- 1...Bxf6
- 2.Qd3#
- 1...c2
- 2.Qd3#
- 1...d1Q
- 2.Qe4#
- 1...d1R
- 2.Qe4#
- 1...Sf5!
- threat
- 1.Qxh6?
- Keys
- 1.Qg1!
- 1...Bxf2
- 2.Qxf2#
- 1...Bxf6
- 2.f3#
- 1...c2
- 2.Qa1#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Bg3
- 2.fxg3#
- 1...Bg5
- 2.f4#
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Qg4#
- 1...Sf7
- 2.Qg4#
- 1...Sg8
- 2.Qg4#
- 1...e5
- 2.Bc5#
- 1...Bxf2
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD::QAR(G),XS(f)
- S(f);N_GUARD::QAR(G)
- P(e);SBLOCK::B(E)
- Tries
- Try
- Q(G);XS(f)
- Threat
- DUALS(3)
- Vars
- B(d);XP(A)::QAR2(G)
- B(d);::QAB1(G)
- Refutation
- B(d);
- Try
- Q(G);
- Threat
- DUALS(6)
- Refutation
- B(d);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(6)
- Refutation
- B(d);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(d);XS(F)::QAR1(G)
- P(b);::QAR1(G)
- P(a);::QAR1(G)
- S(f);N_GUARD::QAR(G)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(4)
- Vars
- P(b);::B(E)
- Refutation
- B(d);XS(F)
- Try
- Q(G);XP(g)
- Threat
- DUALS(2)
- Vars
- B(d);XS(F)::QAR1(G)
- P(b);::QAR1(G)
- P(a);::QAR1(G)
- Refutation
- S(f);
- Try
- Actual
- Q(G);
- Vars
- B(d);OGATE,P_SPINB(d),XP(A)::QAB(G),XB(d)
- B(d);N_GUARD,XS(F)::QAB(G)+P(A)
- P(b);OGATEB::QAB(G)
- P(a);OGATEB::QAR(G),XQ(a)
- P(a);OGATEB::QAR(G),XS(a)
- P(a);OGATEB::QAR(G),XB(a)
- P(a);OGATEB::QAR(G),XR(a)
- B(d);OGATE::QAB(G)+P(A),XB(d)
- B(d);N_GUARD::QAB(G)+P(A)
- S(f);N_GUARD::QAR(G),XS(f)
- S(f);N_GUARD::QAR(G)
- P(e);SBLOCK::B(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).