MESON Chess Problem Database
Problem Display
PID: 10476 (4R3/b1p3p1/4Bp2/1qpRNP1b/4k3/4N1P1/1n2Q1Pn/7K w - - 0 1)
Mansfield, Comins
Al Hamishmar, 1965
#2
10 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.S3g4#
- 1...Qc6
- 2.S3g4#
- 1...Qd7
- 2.S3g4#
- 1...Qxe8
- 2.S3g4#
- 1...Qb4
- 2.S3g4#
- 1...Qa5
- 2.S3g4#
- 1...Qb6
- 2.S3g4#
- 1...Qb7
- 2.S3g4#
- 1...Qb8
- 2.S3g4#
- 1...Bg6
- 2.S3c4#
- 1...Bf7
- 2.S3c4#
- 1...Bxe8
- 2.S3c4#
- 1...Sd3
- 2.S3g4#
- 1...Sc4
- 2.Qd3#
- 1...Sf3
- 2.S3c4#
- 1...Sg4
- 2.Qf3#
- 1...Qa4
- Tries
- 1.Sd3?
- threat
- 2.Sf2#
- 2.Sg4#
- 1...Qxd3
- 2.Bf7#
- 1...Bxe2
- 2.Bd7#
- 1...Sxd3
- 2.Sg4#
- 1...Bf3
- 2.Sf2#
- 2.Bd7#
- 1...Bg4
- 2.Sf2#
- 2.Sxg4#
- 2.Bd7#
- 1...Sc4
- 2.Sf2#
- 1...Sf1
- 2.Sf2#
- 1...Sg4
- 2.Sxg4#
- 2.Qf3#
- 1...c4
- 2.Sf2#
- 1...Sd1!
- threat
- 1.Sf3?
- threat
- 2.Sc4#
- 2.Sd2#
- 1...Qxe2
- 2.Bf7#
- 1...Bxf3
- 2.Bd7#
- 1...Sxf3
- 2.Sc4#
- 1...Qd3
- 2.Bf7#
- 1...Qc4
- 2.Sxc4#
- 2.Sd2#
- 2.Bf7#
- 1...Qb3
- 2.Sd2#
- 2.Bf7#
- 1...Qb4
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sc4#
- 2.Sg4#
- 2.Bf7#
- 1...Qa5
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sc4#
- 2.Sg4#
- 2.Bf7#
- 1...Sd1
- 2.Sd2#
- 1...Sc4
- 2.Sxc4#
- 2.Qd3#
- 1...Sg4
- 2.Sd2#
- 1...c4
- 2.Sd2#
- 1...Sf1!
- threat
- 1.S5c4?
- threat
- 2.Sg4#
- 2.Sd2#
- 1...Qxc4
- 2.Bf7#
- 1...Bxe2
- 2.Bd7#
- 1...Sxc4
- 2.Qd3#
- 1...Qb3
- 2.Sd2#
- 2.Bf7#
- 1...Qb4
- 2.Sg4#
- 2.Bf7#
- 1...Qa5
- 2.Sg4#
- 2.Bf7#
- 1...Bf3
- 2.Sd2#
- 2.Bd7#
- 1...Bg4
- 2.Sxg4#
- 2.Sd2#
- 2.Bd7#
- 1...Sd1
- 2.Sd2#
- 2.Qd3#
- 2.Qc2#
- 1...Sf3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 2.Sd2#
- 2.Qf3#
- 1...Sf1!
- threat
- 1.S5g4?
- threat
- 2.Sc4#
- 2.Sf2#
- 1...Qxe2
- 2.Bf7#
- 1...Bxg4
- 2.Bd7#
- 1...Sxg4
- 2.Qf3#
- 1...Sf1
- 2.Sf2#
- 2.Qf3#
- 1...Qd3
- 2.Sf2#
- 2.Bf7#
- 1...Qc4
- 2.Sxc4#
- 2.Sf2#
- 2.Bf7#
- 1...Qb3
- 2.Sf2#
- 2.Bf7#
- 1...Sd3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 2.Sf2#
- 2.Qd3#
- 2.Qc2#
- 1...c4
- 2.Sf2#
- 1...Sd1!
- threat
- 1.Sg6?
- threat
- 2.Bd7#
- 1...Qxe8
- 2.Sg4#
- 1...Bxg6
- 2.Sc4#
- 1...Qc6
- 2.Sg4#
- 1...Qd7
- 2.Sg4#
- 2.Bxd7#
- 1...Qb6
- 2.Sg4#
- 1...Qb8
- 2.Sg4#
- 2.Bc8#
- 1...Sd3
- 2.Sg4#
- 1...Sc4
- 2.Qd3#
- 1...Sf3
- 2.Sc4#
- 1...Sg4
- 2.Qf3#
- 1...Qa6!
- threat
- 1.Sd7?
- threat
- 2.Bf7#
- 1...Qxd7
- 2.Sg4#
- 1...Bxe8
- 2.Sc4#
- 1...Qc6
- 2.Sg4#
- 1...Qb6
- 2.Sg4#
- 1...Qb8
- 2.Sg4#
- 1...Bf7
- 2.Sc4#
- 2.Bxf7#
- 1...Sd3
- 2.Sg4#
- 1...Sc4
- 2.Qd3#
- 1...Sf3
- 2.Sc4#
- 1...Sg4
- 2.Qf3#
- 1...Qa6!
- threat
- 1.Sf7?
- threat
- 2.Bd7#
- 1...Qxe8
- 2.Sg4#
- 1...Bxf7
- 2.Sc4#
- 1...Qc6
- 2.Sg4#
- 1...Qd7
- 2.Sg4#
- 2.Bxd7#
- 1...Qb6
- 2.Sg4#
- 1...Qb8
- 2.Sg4#
- 2.Bc8#
- 1...Sd3
- 2.Sg4#
- 1...Sc4
- 2.Qd3#
- 1...Sf3
- 2.Sc4#
- 1...Sg4
- 2.Qf3#
- 1...Qa6!
- threat
- 1.Sd3?
- Keys
- 1.Sc6!
- threat
- 2.Bf7#
- 1...Qxc6
- 2.Sg4#
- 1...Bxe8
- 2.Sc4#
- 1...Qb8
- 2.Sg4#
- 1...Bf7
- 2.Sc4#
- 2.Bxf7#
- 1...Sd3
- 2.Sg4#
- 1...Sc4
- 2.Qd3#
- 1...Sf3
- 2.Sc4#
- 1...Sg4
- 2.Qf3#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(d);N_GUARD::QAR(B)+S(D)
- Q(d);N_GUARD,XR(J)::QAR(B)+S(D)
- B(f);N_GUARD::QAR(B)+S(D)
- B(f);N_GUARD,XR(J)::QAR(B)+S(D)
- S(a);S_CUTQ(d)::QAR(B)+S(D)
- S(a);N_GUARD,S_CUTQ(d)::QAB1(B)
- S(b);S_CUTB(f)::QAR(B)+S(D)
- S(b);N_GUARD,S_CUTB(f)::QAB1(B)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XS(G)::R(J)+B(I)
- B(f);N_GUARD,XQ(B)::R(J)+B(I)
- S(a);XS(G)::QAR(B)+S(D)
- S(a);::S(G)
- S(b);::S(G)
- P(e);::S(G)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XQ(B)::R(J)+B(I)
- B(f);N_GUARD,P_PINP(C),XS(G)::R(J)+B(I)
- S(b);XS(G)::QAR(B)+S(D)
- Q(d);N_GUARD::R(J)+B(I)
- S(a);::S(G)
- S(b);::S(G)
- P(e);::S(G)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XS(G)::R(J)+B(I)
- B(f);N_GUARD,XQ(B)::R(J)+B(I)
- S(a);N_GUARD,XS(G)::QAB1(B)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XQ(B)::R(J)+B(I)
- B(f);N_GUARD,XS(G)::R(J)+B(I)
- S(b);N_GUARD,XS(G)::QAB1(B)
- P(e);::S(G)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- R(J)+B(I)
- Vars
- Q(d);N_GUARD,XR(J)::QAR(B)+S(D)
- B(f);N_GUARD,XS(G)::QAR(B)+S(D)
- Q(d);N_GUARD::QAR(B)+S(D)
- S(a);S_CUTQ(d)::QAR(B)+S(D)
- S(a);N_GUARD,S_CUTQ(d)::QAB1(B)
- S(b);S_CUTB(f)::QAR(B)+S(D)
- S(b);N_GUARD,S_CUTB(f)::QAB1(B)
- Refutation
- Q(d);
- Try
- S(G);
- Threat
- R(J)+B(I)
- Vars
- Q(d);N_GUARD,XS(G)::QAR(B)+S(D)
- B(f);N_GUARD,XR(J)::QAR(B)+S(D)
- Q(d);N_GUARD::QAR(B)+S(D)
- S(a);S_CUTQ(d)::QAR(B)+S(D)
- S(a);N_GUARD,S_CUTQ(d)::QAB1(B)
- S(b);S_CUTB(f)::QAR(B)+S(D)
- S(b);N_GUARD,S_CUTB(f)::QAB1(B)
- Refutation
- Q(d);
- Try
- S(G);
- Threat
- R(J)+B(I)
- Vars
- Q(d);N_GUARD,XR(J)::QAR(B)+S(D)
- B(f);N_GUARD,XS(G)::QAR(B)+S(D)
- Q(d);N_GUARD::QAR(B)+S(D)
- S(a);S_CUTQ(d)::QAR(B)+S(D)
- S(a);N_GUARD,S_CUTQ(d)::QAB1(B)
- S(b);S_CUTB(f)::QAR(B)+S(D)
- S(b);N_GUARD,S_CUTB(f)::QAB1(B)
- Refutation
- Q(d);
- Try
- Actual
- S(G);
- Threat
- R(J)+B(I)
- Vars
- Q(d);N_GUARD,XS(G)::QAR(B)+S(D)
- B(f);N_GUARD,XR(J)::QAR(B)+S(D)
- Q(d);N_GUARD::QAR(B)+S(D)
- S(a);S_CUTQ(d)::QAR(B)+S(D)
- S(a);N_GUARD,S_CUTQ(d)::QAB1(B)
- S(b);S_CUTB(f)::QAR(B)+S(D)
- S(b);N_GUARD,S_CUTB(f)::QAB1(B)
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).