MESON Chess Problem Database
Problem Display
PID: 52440 (b1nNB3/1P2npq1/1P1kNp1p/8/2P3p1/8/5P2/4Q2K w - - 0 1)
Howard, Kenneth Samuel
2nd HM., Western Morning News and Daily Gazette, 1935
#2
9 + 9
| 5089 | The Enjoyment of Chess Problems | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Qh8
- 2.Sxf7#
- 1...Qg5
- 2.Sxf7#
- 1...Bxb7+
- 2.Sxb7#
- 1...Sd5
- 2.bxc8S#
- 1...Sc6
- 2.bxc8S#
- 1...Qh8
- Tries
- 1.Kg1?
- threat
- 2.b8Q#
- 2.b8B#
- 1...Bxb7
- 2.Sxb7#
- 1...Sxb6
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxc8S#
- 1...Sf5
- 2.bxc8S#
- 1...Sc6
- 2.bxc8S#
- 1...Sg6
- 2.bxc8S#
- 1...Sg8
- 2.bxc8S#
- 1...Qf8
- 2.b8Q#
- 2.b8B#
- 1...Qh8
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Qg5
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Qg6
- 2.b8Q#
- 2.b8B#
- 1...Qh7
- 2.b8Q#
- 2.b8B#
- 1...Qg8
- 2.b8Q#
- 2.b8B#
- 1...Sa7
- 2.b8Q#
- 2.b8B#
- 1...g3
- 2.b8Q#
- 2.b8B#
- 1...f5
- 2.b8Q#
- 2.b8B#
- 1...h5
- 2.b8Q#
- 2.b8B#
- 1...fxe6!
- threat
- 1.Sc6?
- threat
- 2.b8Q#
- 2.b8B#
- 1...Sxc6
- 2.bxc8S#
- 1...Sxb6
- 2.b8Q#
- 2.b8B#
- 1...fxe6
- 2.Qb4#
- 1...Qf8
- 2.b8Q#
- 2.b8B#
- 1...Qh8
- 2.b8Q#
- 2.b8B#
- 1...Qg5
- 2.b8Q#
- 2.b8B#
- 1...Qg6
- 2.b8Q#
- 2.b8B#
- 1...Qh7
- 2.b8Q#
- 2.b8B#
- 1...Qg8
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.c5#
- 2.bxc8S#
- 1...Sf5
- 2.bxc8S#
- 2.b8Q#
- 2.b8B#
- 1...Sg6
- 2.bxc8S#
- 2.b8Q#
- 2.b8B#
- 1...Sg8
- 2.bxc8S#
- 2.b8Q#
- 2.b8B#
- 1...Sa7
- 2.b8Q#
- 2.b8B#
- 1...g3
- 2.b8Q#
- 2.b8B#
- 1...f5
- 2.b8Q#
- 2.b8B#
- 1...h5
- 2.b8Q#
- 2.b8B#
- 1...Bxb7!
- threat
- 1.Qd2+?
- 1...Ke5
- 2.Qf4#
- 1...Sd5!
- 1...Ke5
- 1.Qe3?
- threat
- 2.Qf4#
- 2.Qc5#
- 2.Qg3#
- 1...Bxb7+
- 2.Sxb7#
- 1...Sd5
- 2.bxc8S#
- 1...Sf5
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 2.bxc8S#
- 1...Sg6
- 2.Qc5#
- 1...Sg8
- 2.Qc5#
- 1...Qg5
- 2.Sxf7#
- 1...g3
- 2.Qf4#
- 2.Qc5#
- 1...f5
- 2.Qc5#
- 1...fxe6!
- threat
- 1.Qe4?
- threat
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Bxb7
- 2.Sxb7#
- 2.c5#
- 1...Sxb6
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxc8S#
- 1...Sf5
- 2.bxc8S#
- 1...Sc6
- 2.bxc8S#
- 1...Sg6
- 2.bxc8S#
- 1...Sg8
- 2.bxc8S#
- 1...Qf8
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Qh8
- 2.Sxf7#
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Qg6
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Qh7
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Qg8
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...Sa7
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...g3
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...f5
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...h5
- 2.Qf4#
- 2.c5#
- 2.b8Q#
- 2.b8B#
- 1...fxe6!
- threat
- 1.f3?
- threat
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Bxb7
- 2.Sxb7#
- 2.Qg3#
- 1...Sxb6
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...gxf3
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxc8S#
- 1...Sf5
- 2.bxc8S#
- 1...Sc6
- 2.bxc8S#
- 1...Sg6
- 2.bxc8S#
- 1...Sg8
- 2.bxc8S#
- 1...Qf8
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Qh8
- 2.Sxf7#
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Qg5
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Qg6
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Qh7
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Qg8
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Sa7
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...g3
- 2.b8Q#
- 2.b8B#
- 1...f5
- 2.b8Q#
- 2.b8B#
- 1...h5
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...fxe6!
- threat
- 1.Kg1?
- Keys
- 1.f4!
- threat
- 2.Qb4#
- 1...Bxb7+
- 2.Sxb7#
- 1...gxf4 ep
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxc8S#
- 1...Sc6
- 2.bxc8S#
- 1...Qg5
- 2.Sxf7#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(g);N_GUARD::S(H),XP(f)
- B(h);CHECK,XP(G)::S(H),XB(h)
- S(e);N_PINP(G)::PXS(i)=S
- Tries
- Try
- K(B);N_SPINP(G),P-FLIGHT
- Threat
- P=Q
- Vars
- B(h);XP(G)::S(H),XB(h)
- S(i);XP(E)::P=Q
- S(e);N_GUARD::PXS(i)=S
- Q(g);::P=Q
- S(i);::P=Q
- P(a);::P=Q
- P(c);::P=Q
- P(d);::P=Q
- Refutation
- P(f);XS(F)
- Try
- S(H);N_SPINP(G)
- Threat
- P=Q
- Vars
- S(e);N_GUARD,XS(H)::PXS(i)=S
- S(i);XP(E)::P=Q
- P(f);SBLOCK,XS(F)::QAB(A)
- Q(g);::P=Q
- S(i);::P=Q
- P(a);::P=Q
- P(c);::P=Q
- P(d);::P=Q
- Refutation
- B(h);P_PINS(H),XP(G)
- Try
- Q(A);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(A)
- Refutation
- S(e);N_PINP(G),P_SPINS(e)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,XP(G)::S(H),XB(h)
- S(e);N_PINP(G)::PXS(i)=S
- S(e);::QAB1(A)
- Q(g);N_GUARD::S(H),XP(f)
- P(c);::QAB1(A)
- Refutation
- P(f);XS(F)
- Try
- Q(A);N_SPINP(G)
- Threat
- DUALS(4)
- Vars
- S(e);N_GUARD::PXS(i)=S
- Refutation
- P(f);XS(F)
- Try
- P(C);N_SPINP(G)
- Threat
- DUALS(3)
- Vars
- P(a);XP(C)::P=Q
- S(e);N_GUARD::PXS(i)=S
- P(a);::P=Q
- P(c);::P=Q
- Refutation
- P(f);XS(F)
- Try
- Actual
- P(C);
- Threat
- QAB(A)
- Vars
- B(h);CHECK,XP(G)::S(H),XB(h)
- P(a);EP,N_PINP(G),XP(C)::P=Q
- S(e);N_PINP(G)::PXS(i)=S
- Q(g);N_GUARD::S(H),XP(f)
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).