MESON Chess Problem Database
Problem Display
PID: 153829 (6qn/Q4n2/3pk2p/2RN3B/3rP2b/3N4/1B1P4/3KR3 w - - 0 1)
Joseph, Samuel M
Cheltenham Examiner, 1891
(First published on Wed Jun 24 1891)
#2
10 + 8
| 15239 | Valois Notebooks | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qg4+
- 2.Bxg4#
- 1...Qa8
- 2.Bg4#
- 1...Qb8
- 2.Bg4#
- 1...Qc8
- 2.Bg4#
- 1...Qd8
- 2.Bg4#
- 1...Qe8
- 2.Bg4#
- 1...Qf8
- 2.Bg4#
- 1...Rxd3
- 2.Sf4#
- 1...Ra4
- 2.S3f4#
- 2.S5f4#
- 1...Rb4
- 2.S3f4#
- 2.S5f4#
- 1...Rc4
- 2.S3f4#
- 2.S5f4#
- 1...Rxe4
- 2.S5f4#
- 1...Rxd5
- 2.Sf4#
- 1...Bxe1
- 2.Qe7#
- 1...Bf2
- 2.Qe7#
- 1...Bg3
- 2.Qe7#
- 1...Bg5
- 2.Bg4#
- 1...Bf6
- 2.S5f4#
- 1...Be7
- 2.Qxe7#
- 1...Se5
- 2.S3f4#
- 1...Sg5
- 2.Bg4#
- 2.Qe7#
- 1...Sg6
- 2.Bg4#
- 1...Qg4+
- Tries
- 1.Qb7?
- 1...Qg4+
- 2.Bxg4#
- 1...Rxd3
- 2.Sf4#
- 1...Rxe4
- 2.S5f4#
- 1...Rxd5
- 2.Sf4#
- 1...Bxe1
- 2.Qe7#
- 1...Qh7
- 2.Qc8#
- 1...Qg1
- 2.Qc8#
- 1...Qg2
- 2.Qc8#
- 1...Qg3
- 2.Qc8#
- 1...Qg5
- 2.Qc8#
- 1...Qg6
- 2.Qc8#
- 1...Qg7
- 2.Qc8#
- 1...Qa8
- 2.Bg4#
- 1...Qb8
- 2.Bg4#
- 1...Qc8
- 2.Bg4#
- 2.Qxc8#
- 1...Qd8
- 2.Bg4#
- 1...Qe8
- 2.Bg4#
- 1...Qf8
- 2.Bg4#
- 1...Ra4
- 2.S3f4#
- 2.S5f4#
- 1...Rb4
- 2.S3f4#
- 2.S5f4#
- 1...Rc4
- 2.S3f4#
- 2.S5f4#
- 1...Bf2
- 2.Qe7#
- 1...Bg3
- 2.Qe7#
- 1...Bg5
- 2.Bg4#
- 1...Bf6
- 2.S5f4#
- 1...Be7
- 2.Qxe7#
- 1...Bd8
- 2.Qc8#
- 1...Se5
- 2.S3f4#
- 1...Sg5
- 2.Bg4#
- 2.Qe7#
- 1...Sd8
- 2.Qc8#
- 1...Sg6
- 2.Bg4#
- 1...dxc5!
- 1...Qg4+
- 1.Qb7?
- Keys
- 1.Qc7!
- 1...Qg4+
- 2.Bxg4#
- 1...Rxd3
- 2.Sf4#
- 1...Rxe4
- 2.S5f4#
- 1...Rxd5
- 2.Sf4#
- 1...Bxe1
- 2.Qe7#
- 1...dxc5
- 2.S3f4#
- 2.Sxc5#
- 1...Qh7
- 2.Qc8#
- 1...Qg1
- 2.Qc8#
- 1...Qg2
- 2.Qc8#
- 1...Qg3
- 2.Qc8#
- 1...Qg5
- 2.Qc8#
- 1...Qg6
- 2.Qc8#
- 1...Qg7
- 2.Qc8#
- 1...Qa8
- 2.Bg4#
- 1...Qb8
- 2.Bg4#
- 1...Qc8
- 2.Bg4#
- 2.Qxc8#
- 1...Qd8
- 2.Bg4#
- 1...Qe8
- 2.Bg4#
- 1...Qf8
- 2.Bg4#
- 1...Ra4
- 2.S3f4#
- 2.S5f4#
- 1...Rb4
- 2.S3f4#
- 2.S5f4#
- 1...Rc4
- 2.S3f4#
- 2.S5f4#
- 1...Bf2
- 2.Qe7#
- 1...Bg3
- 2.Qe7#
- 1...Bg5
- 2.Bg4#
- 1...Bf6
- 2.S5f4#
- 1...Be7
- 2.Qxe7#
- 1...Bd8
- 2.Qc8#
- 1...Se5
- 2.S3f4#
- 1...Sg5
- 2.Bg4#
- 2.Qe7#
- 1...Sd8
- 2.Qc8#
- 1...Sg6
- 2.Bg4#
- 1...Qg4+
- 1.Qc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- Q(g);CHECK,N_GUARD::B(I),XQ(g)
- Q(g);N_GUARD::B(I)
- R(a);P_PINP(D),XS(E)::S(H)
- R(a);P_SPINR(a),XP(F)::S(H)
- R(a);XS(H)::S(E)
- B(b);N_GUARD,XR(B)::QAR1(J)
- B(b);N_GUARD::QAR1(J)
- B(b);S_CUTQ(g)::B(I)
- B(b);SBLOCK::S(H)
- B(b);N_GUARD::QAR1(J),XB(b)
- S(f);SBLOCK::S(E)
- S(h);S_CUTQ(g)::B(I)
- Tries
- Try
- Q(J);
- Vars
- Q(g);CHECK,N_GUARD::B(I),XQ(g)
- R(a);P_PINP(D),XS(E)::S(H)
- R(a);P_SPINR(a),XP(F)::S(H)
- R(a);XS(H)::S(E)
- B(b);N_GUARD,XR(B)::QAR1(J)
- Q(g);N_GUARD::QAB(J)
- Q(g);N_GUARD,P_PINR(B)::QAB(J)
- Q(g);N_GUARD::B(I)
- B(b);N_GUARD::QAR1(J)
- B(b);S_CUTQ(g)::B(I)
- B(b);SBLOCK::S(H)
- B(b);N_GUARD::QAR1(J),XB(b)
- B(b);S_CUTQ(g)::QAB(J)
- S(f);SBLOCK::S(E)
- S(f);S_CUTQ(g)::QAB(J)
- S(h);S_CUTQ(g)::B(I)
- Refutation
- P(c);XR(G)
- Try
- Actual
- Q(J);
- Vars
- Q(g);CHECK,N_GUARD::B(I),XQ(g)
- R(a);P_PINP(D),XS(E)::S(H)
- R(a);P_SPINR(a),XP(F)::S(H)
- R(a);XS(H)::S(E)
- B(b);N_GUARD,XR(B)::QAR1(J)
- Q(g);N_GUARD::QAB(J)
- Q(g);N_GUARD,P_PINR(B)::QAB(J)
- Q(g);N_GUARD::B(I)
- B(b);N_GUARD::QAR1(J)
- B(b);S_CUTQ(g)::B(I)
- B(b);SBLOCK::S(H)
- B(b);N_GUARD::QAR1(J),XB(b)
- B(b);S_CUTQ(g)::QAB(J)
- S(f);SBLOCK::S(E)
- S(f);S_CUTQ(g)::QAB(J)
- S(h);S_CUTQ(g)::B(I)
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).