MESON Chess Problem Database
Problem Display
PID: 42457 (8/nr5p/1b2rp2/RB3kpK/4n2P/5NP1/1BQ2R2/5N2 w - - 0 1)
Mansfield, Comins
2nd Prize, Slovenia Chess Association, 1968-1970
#2
10 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sd4#
- 1...Rd6
- 2.Bd7#
- 1...Ree7
- 2.Bd7#
- 1...Re8
- 2.Bd7#
- 1...Be3
- 2.Sxe3#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc7
- 2.Se3#
- 2.Se5#
- 1...Bd8
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...gxh4
- 2.Sxh4#
- 1...Re5
- Tries
- 1.Bd4?
- threat
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...gxh4
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...Re5
- 2.Sxg5#
- 1...Rc6
- 2.Sxg5#
- 1...Rd6
- 2.Sxg5#
- 2.Bd7#
- 1...Ree7
- 2.Sxg5#
- 2.Bd7#
- 1...Re8
- 2.Sxg5#
- 2.Bd7#
- 1...Bc7
- 2.Se3#
- 2.Se5#
- 1...g4
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sg5#
- 1...Bxd4!
- threat
- 1.Be2+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Bd3+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Ba4+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Bc4+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Ba6+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Bc6+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Bd7+?
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 2.Rxc5#
- 1...Sb5!
- 1...Bxa5
- 1.Be8+?
- 1...Re5
- 2.Sd4#
- 1...Bxa5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Se5#
- 2.Sxg5#
- 1...Bc5
- 2.Se3#
- 2.Se1#
- 2.Sg1#
- 2.S3d2#
- 2.S3h2#
- 2.Sxg5#
- 1...Sb5!
- 1...Re5
- 1.Qxe4+?
- 1...Rxe4
- 2.Bd7#
- 1...Kxe4!
- 1...Rxe4
- 1.Qc1?
- threat
- 2.g4#
- 1...Sxg3+
- 2.Sxg3#
- 1...Sxf2
- 2.Bd3#
- 1...Re5
- 2.Sd4#
- 1...Rd6
- 2.Bd7#
- 1...Ree7
- 2.Bd7#
- 1...Re8
- 2.Bd7#
- 1...Sd2
- 2.Bd3#
- 1...Sc3
- 2.Bd3#
- 1...Sc5
- 2.S3d2#
- 2.Sxg5#
- 1...Sd6
- 2.Bd3#
- 1...Be3
- 2.Sxe3#
- 1...g4
- 2.Qf4#
- 1...Rc6!
- threat
- 1.Qc5+?
- 1...Re5
- 2.Sd4#
- 1...Sxc5
- 2.S3d2#
- 2.Sxg5#
- 1...Bxc5!
- 1...Re5
- 1.Qc7?
- threat
- 2.Sd4#
- 2.g4#
- 1...Sxg3+
- 2.Sxg3#
- 1...Bxf2
- 2.g4#
- 1...Bxc7
- 2.Se3#
- 1...Sxf2
- 2.Bd3#
- 1...Re5
- 2.Sd4#
- 2.Bd7#
- 1...Rc6
- 2.Sd4#
- 1...Rd6
- 2.Bd7#
- 1...Re7
- 2.Sd4#
- 2.Bd7#
- 1...Re8
- 2.Sd4#
- 2.Bd7#
- 1...Sd2
- 2.Bd3#
- 1...Sc3
- 2.Bd3#
- 1...Sc5
- 2.S3d2#
- 2.Sxg5#
- 1...Sd6
- 2.Bd3#
- 1...Bd4
- 2.Sxd4#
- 2.g4#
- 1...g4
- 2.Sd4#
- 2.Qf4#
- 1...Rxc7!
- threat
- 1.Bd4?
- Keys
- 1.Qd2!
- threat
- 2.g4#
- 1...Sxg3+
- 2.Sxg3#
- 1...Sxd2
- 2.Bd3#
- 1...Sxf2
- 2.Bd3#
- 1...Re5
- 2.Sd4#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Bd7#
- 1...Ree7
- 2.Bd7#
- 1...Re8
- 2.Bd7#
- 1...Sc3
- 2.Bd3#
- 1...Sc5
- 2.Sxg5#
- 1...Sd6
- 2.Bd3#
- 1...Be3
- 2.Sxe3#
- 1...g4
- 2.Qf4#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(e);SBLOCK::R(D)+S(E),DCHECK
- R(e);::R(H)+B(I),DCHECK
- B(d);N_GUARD::S(A),XB(d)
- P(c);XP(G)::R(D)+S(E),DCHECK,XP(c)
- Tries
- Try
- B(B);
- Threat
- DUALS(7)
- Vars
- R(e);::R(D)+S(E),XP(c)
- Refutation
- B(d);XB(B)
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- B(I);CHECK,P_PINR(e)
- Refutation
- S(g);
- Try
- B(I);CHECK
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- S(g);
- Try
- Q(C);CHECK,XS(a)
- Vars
- R(e);SBLOCK,XQ(C)::R(H)+B(I),DCHECK
- Refutation
- K(b);S_FLIGHT,XQ(C)
- Try
- Q(C);N_PINS(a)
- Threat
- P(F)
- Vars
- S(a);CHECK,XP(F)::S(A),XS(a)
- S(a);XR(D)::R(H)+B(I),DCHECK
- R(e);SBLOCK::R(D)+S(E),DCHECK
- R(e);::R(H)+B(I),DCHECK
- S(a);::R(H)+B(I),DCHECK
- B(d);N_GUARD::S(A),XB(d)
- P(c);N_GUARD::QAR1(C)
- Refutation
- R(e);
- Try
- Q(C);CHECK,N_PINS(a)
- Vars
- R(e);P_SPINR(e)::R(D)+S(E),DCHECK
- Refutation
- B(d);XQ(C)
- Try
- Q(C);N_PINS(a)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,XP(F)::S(A),XS(a)
- B(d);XR(D)::P(F)
- B(d);N_GUARD,XQ(C)::S(A)
- S(a);XR(D)::R(H)+B(I),DCHECK
- R(e);::R(D)+S(E),DCHECK
- R(e);::R(H)+B(I),DCHECK
- S(a);::R(H)+B(I),DCHECK
- Refutation
- R(h);XQ(C)
- Try
- Actual
- Q(C);N_PINS(a)
- Threat
- P(F)
- Vars
- S(a);CHECK,XP(F)::S(A),XS(a)
- S(a);XQ(C)::R(H)+B(I),DCHECK
- S(a);XR(D)::R(H)+B(I),DCHECK
- R(e);SBLOCK::R(D)+S(E),DCHECK
- R(e);N_GUARD::QAR2(C)
- R(e);::R(H)+B(I),DCHECK
- S(a);::R(H)+B(I),DCHECK
- S(a);N_GUARD,S_CUTB(d)::R(D)+S(E),XP(c)
- B(d);N_GUARD::S(A),XB(d)
- P(c);N_GUARD::QAR1(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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