MESON Chess Problem Database
Problem Display
PID: 54664 (5R2/2P1KN2/8/3P2P1/2QBPkB1/r2brNpp/3npPpP/1n3R2 w - - 0 1)
Mansfield, Comins
3rd Prize, Schach-Echo, 1971/I
#2
14 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Sd6#
- 1...Rxe4+
- 2.S7e5#
- 1...Kxe4
- Tries
- 1.Bxh3?
- threat
- 2.Sd6#
- 1...Rxe4+
- 2.S7e5#
- 1...Kxf3
- 2.Sd6#
- 1...Kxe4
- 2.Sd6#
- 1...Rxf3
- 2.Be5#
- 1...Bxe4
- 2.fxg3#
- 1...Sxf3
- 2.Bxe3#
- 1...Sxe4
- 2.fxe3#
- 1...Ra8!
- threat
- 1.Be6?
- threat
- 2.Sd6#
- 1...Kxf3
- 2.Sd6#
- 1...Kxe4
- 2.Sd6#
- 1...Rxf3
- 2.Be5#
- 1...Bxe4
- 2.fxg3#
- 1...Sxf3
- 2.Bxe3#
- 1...Sxe4
- 2.fxe3#
- 1...Ra8!
- threat
- 1.Bd7?
- threat
- 2.Sd6#
- 1...Rxe4+
- 2.S7e5#
- 1...Kxf3
- 2.Sd6#
- 1...Kxe4
- 2.Sd6#
- 1...Rxf3
- 2.Be5#
- 1...Bxe4
- 2.fxg3#
- 1...Sxf3
- 2.Bxe3#
- 1...Sxe4
- 2.fxe3#
- 1...Ra8!
- threat
- 1.fxe3+?
- 1...Kxe4
- 2.Sd6#
- 1...Kxg4!
- 1...Kxe4
- 1.fxg3+?
- 1...Kxe4
- 2.Sd6#
- 1...Kxg4!
- 1...Kxe4
- 1.hxg3+?
- 1...Kxe4
- 2.Sd6#
- 1...Kxg4!
- 1...Kxe4
- 1.c8Q?
- threat
- 2.Sd6#
- 2.Bxe3#
- 2.Be5#
- 2.Qf5#
- 1...Rxe4+
- 2.S7e5#
- 2.Be5#
- 1...Kxe4
- 2.Sd6#
- 2.Qf5#
- 1...Rxf3
- 2.Be5#
- 2.Qf5#
- 1...Bxc4
- 2.Sd6#
- 2.Qf5#
- 1...Bxe4
- 2.Be5#
- 2.Q4c7#
- 2.fxg3#
- 2.hxg3#
- 1...Sxf1
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...Sxf3
- 2.Bxe3#
- 2.Qf5#
- 1...Sxc4
- 2.Sd6#
- 2.Qf5#
- 1...Sxe4
- 2.Bxe3#
- 2.Be5#
- 2.Qf5#
- 2.fxe3#
- 1...exf1S
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...gxf1S
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...gxf2
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...e1Q
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...e1R
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...Bc2
- 2.Sd6#
- 2.Be5#
- 2.Qf5#
- 1...Ra7+!
- threat
- 1.c8B?
- threat
- 2.Sd6#
- 2.Bxe3#
- 2.Be5#
- 1...Rxe4+
- 2.S7e5#
- 2.Be5#
- 1...Kxe4
- 2.Sd6#
- 1...Rxf3
- 2.Be5#
- 1...Bxc4
- 2.Sd6#
- 1...Bxe4
- 2.Be5#
- 2.Qc7#
- 2.fxg3#
- 2.hxg3#
- 1...Sxf1
- 2.Sd6#
- 2.Be5#
- 1...Sxf3
- 2.Bxe3#
- 1...Sxc4
- 2.Sd6#
- 1...Sxe4
- 2.Bxe3#
- 2.Be5#
- 2.fxe3#
- 1...exf1S
- 2.Sd6#
- 2.Be5#
- 1...gxf1S
- 2.Sd6#
- 2.Be5#
- 1...gxf2
- 2.Sd6#
- 2.Be5#
- 1...e1Q
- 2.Sd6#
- 2.Be5#
- 1...e1R
- 2.Sd6#
- 2.Be5#
- 1...Bc2
- 2.Sd6#
- 2.Be5#
- 1...Ra7+!
- threat
- 1.Bxh3?
- Keys
- 1.Bc8!
- threat
- 2.Sd6#
- 1...Rxe4+
- 2.S7e5#
- 1...Kxf3
- 2.Sd6#
- 1...Kxe4
- 2.Sd6#
- 1...Rxf3
- 2.Be5#
- 1...Bxe4
- 2.fxg3#
- 1...Sxf3
- 2.Bxe3#
- 1...Sxe4
- 2.fxe3#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);CHECK,SBLOCK,XP(G)::R(N)+S(M)
- Tries
- Try
- B(H);XP(i)
- Threat
- R(N)+S(M)
- Vars
- R(g);CHECK,SBLOCK,XP(G)::R(N)+S(M)
- K(j);P-FLIGHT,XS(D)::R(N)+S(M)
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);N_PINP(G),SBLOCK,XS(D)::B(F)
- B(f);SBLOCK,XP(G)::P(B),XP(h)
- S(b);SBLOCK,XS(D)::B(F),XR(g)
- S(b);SBLOCK,XP(G)::P(B),XR(g)
- Refutation
- R(e);
- Try
- B(H);N_SPINP(G)
- Threat
- R(N)+S(M)
- Vars
- K(j);P-FLIGHT,XS(D)::R(N)+S(M)
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);SBLOCK,XS(D)::B(F)
- B(f);SBLOCK,XP(G)::P(B),XP(h)
- S(b);SBLOCK,XS(D)::B(F),XR(g)
- S(b);SBLOCK,XP(G)::P(B),XR(g)
- Refutation
- R(e);
- Try
- B(H);
- Threat
- R(N)+S(M)
- Vars
- R(g);CHECK,SBLOCK,XP(G)::R(N)+S(M)
- K(j);P-FLIGHT,XS(D)::R(N)+S(M)
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);N_PINP(G),SBLOCK,XS(D)::B(F)
- B(f);SBLOCK,XP(G)::P(B),XP(h)
- S(b);SBLOCK,XS(D)::B(F),XR(g)
- S(b);SBLOCK,XP(G)::P(B),XR(g)
- Refutation
- R(e);
- Try
- P(B);CHECK,N_SPINP(G),XR(g)
- Vars
- K(j);P-FLIGHT,XP(G)::S(M)
- Refutation
- K(j);P-FLIGHT,XB(H)
- Try
- P(B);CHECK,XP(h)
- Vars
- K(j);P-FLIGHT,XP(G)::S(M)
- Refutation
- K(j);P-FLIGHT,XB(H)
- Try
- P(C);CHECK,XP(h)
- Vars
- K(j);P-FLIGHT,XP(G)::S(M)
- Refutation
- K(j);P-FLIGHT,XB(H)
- Try
- P(K);
- Threat
- DUALS(4)
- Refutation
- R(e);CHECK
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);N_PINP(G),XS(D)::B(F)
- B(f);XQ(E)::R(N)+S(M)
- S(b);XS(D)::B(F),XR(g)
- S(b);XQ(E)::R(N)+S(M)
- Refutation
- R(e);CHECK
- Try
- Actual
- B(H);
- Threat
- R(N)+S(M)
- Vars
- R(g);CHECK,SBLOCK,XP(G)::R(N)+S(M)
- K(j);P-FLIGHT,XS(D)::R(N)+S(M)
- K(j);P-FLIGHT,XP(G)::S(M)
- R(g);N_PINP(G),SBLOCK,XS(D)::B(F)
- B(f);SBLOCK,XP(G)::P(B),XP(h)
- S(b);SBLOCK,XS(D)::B(F),XR(g)
- S(b);SBLOCK,XP(G)::P(B),XR(g)
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).