MESON Chess Problem Database
Problem Display
PID: 17438 (Bn1R4/nrP4K/1Bk1bNRp/4p2r/P7/3N4/1Q6/8 w - - 0 1)
Mansfield, Comins
Social Demokraten, 1946
#2
10 + 8
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sxe5#
- 1...Rh2
- 2.Sxe5#
- 1...Rh3
- 2.Sxe5#
- 1...Rh4
- 2.Sxe5#
- 1...Ba2
- 2.Sd5#
- 1...Bb3
- 2.Sd5#
- 1...Bh3
- 2.Sg4#
- 1...Bc4
- 2.Sd5#
- 1...Bg4
- 2.Sxg4#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxe5#
- 1...Bf7
- 2.cxb8S#
- 1...Bg8+
- 2.Sxg8#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Rh1
- Tries
- 1.Se4?
- threat
- 2.Rxe6#
- 2.Rd6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Sd7!
- threat
- 1.Sg4?
- threat
- 2.Rxe6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Sd7!
- threat
- 1.Sd5?
- threat
- 2.S3b4#
- 2.Se7#
- 2.Rxe6#
- 2.Qc1#
- 2.Qc3#
- 2.Qc2#
- 1...Rh1
- 2.S3b4#
- 2.Sxe5#
- 2.Se7#
- 2.Rxe6#
- 2.Qc3#
- 2.Qc2#
- 1...Rh2
- 2.S3b4#
- 2.Sxe5#
- 2.Se7#
- 2.Rxe6#
- 2.Qc3#
- 1...Rh4
- 2.Sxe5#
- 2.Se7#
- 2.Rxe6#
- 1...Sb5
- 2.S3b4#
- 2.Qxb5#
- 2.axb5#
- 1...Sc8
- 2.S3b4#
- 2.Qc1#
- 2.Qc3#
- 2.Qc2#
- 2.Qb5#
- 1...Sa6
- 2.Se7#
- 2.Rxe6#
- 1...Sd7!
- threat
- 1.Sxh5?
- threat
- 2.Sxe5#
- 2.Rxe6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Sxe5#
- 2.Qb5#
- 1...e4
- 2.Se5#
- 2.Rxe6#
- 1...Sd7!
- threat
- 1.Se8?
- threat
- 2.Rxe6#
- 2.Rd6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Sd7!
- threat
- 1.Sg8?
- threat
- 2.Se7#
- 2.Rxe6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Sd7!
- threat
- 1.Ba5?
- threat
- 2.Bxb7#
- 2.Qb6#
- 2.Qxb7#
- 1...Bg8+
- 2.Sxg8#
- 1...Bd7
- 2.Qb6#
- 1...Bb3
- 2.Sd5#
- 1...Bc8
- 2.Qc1#
- 2.Qc3#
- 2.Qc2#
- 2.Qb6#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc8
- 2.Bxb7#
- 2.Qb5#
- 2.Qxb7#
- 1...Sd7!
- threat
- 1.Qc1+?
- 1...Bc4
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sxh5#
- 2.Se8#
- 2.Sg8#
- 1...Kxb6!
- 1...Bc4
- 1.Qc3+?
- 1...Bc4
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sxh5#
- 2.Se8#
- 2.Sg8#
- 1...Kxb6!
- 1...Bc4
- 1.Qd4?
- threat
- 2.Sb4#
- 2.Rd6#
- 2.Qc5#
- 2.Qd6#
- 1...Bg8+
- 2.Sxg8#
- 1...Bd5
- 2.Sb4#
- 2.Sxd5#
- 2.Qc5#
- 1...Bd7
- 2.Sb4#
- 2.Sxd7#
- 2.Qc5#
- 2.cxb8S#
- 1...Sb5
- 2.Sb4#
- 2.Qc5#
- 1...Sc8
- 2.Sb4#
- 2.Qc5#
- 1...Sa6
- 2.Rd6#
- 2.Qd6#
- 1...Sd7
- 2.Sb4#
- 1...e4
- 2.Sb4#
- 2.Rd6#
- 2.Qd6#
- 1...exd4!
- threat
- 1.Qc2+?
- 1...Bc4
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sxh5#
- 2.Se8#
- 2.Sg8#
- 1...Kxb6!
- 1...Bc4
- 1.Qb4?
- threat
- 2.Rd6#
- 2.Qc5#
- 2.Qd6#
- 1...Bg8+
- 2.Sxg8#
- 1...Sb5
- 2.Qc5#
- 2.Qxb5#
- 1...Bd7
- 2.Qc5#
- 2.cxb8S#
- 1...Sc8
- 2.Qc5#
- 2.Qb5#
- 1...Sa6
- 2.Rd6#
- 2.Qd6#
- 1...e4
- 2.Rd6#
- 2.Qd6#
- 1...Sd7!
- threat
- 1.Se4?
- Keys
- 1.Qb3!
- threat
- 2.Qxe6#
- 1...Bg8+
- 2.Sxg8#
- 1...Bxb3
- 2.Sd5#
- 1...Bd7
- 2.Sxd7#
- 1...Sb5
- 2.Qxb5#
- 1...Bh3
- 2.Sg4#
- 1...Bc4
- 2.Sd5#
- 1...Bg4
- 2.Sxg4#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxe5#
- 1...Bf7
- 2.cxb8S#
- 1...Bc8
- 2.Sd7#
- 1...Sc8
- 2.Qb5#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD::S(B),XP(a)
- B(d);::R(F)+S(E)
- B(d);::R(F)+S(E),XB(d)
- B(d);P_PINR(F),S_CUTR(b)::S(B),XP(a)
- B(d);N_PINP(G)::PXS(h)=S
- B(d);CHECK::R(F)+S(E),XB(d)
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD::QAB1(A)
- Tries
- Try
- S(E);P_PINB(d)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD::QAB1(A)
- Refutation
- S(h);N_PINP(G)
- Try
- S(E);P_PINB(d)
- Threat
- R(F),XB(d)
- Vars
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD::QAB1(A)
- Refutation
- S(h);N_PINP(G)
- Try
- S(E);P_PINB(d)
- Threat
- DUALS(6)
- Refutation
- S(h);N_PINP(G)
- Try
- S(E);P_PINB(d),XR(b)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB1(A),XS(f)
- Refutation
- S(h);N_PINP(G)
- Try
- S(E);P_PINB(d)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD::QAB1(A)
- Refutation
- S(h);N_PINP(G)
- Try
- S(E);P_PINB(d)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD::QAB1(A)
- Refutation
- S(h);N_PINP(G)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(d);CHECK::R(F)+S(E),XB(d)
- B(d);N_PINP(G)::QAR1(A)
- B(d);::R(F)+S(E)
- Refutation
- S(h);N_PINP(G)
- Try
- Q(A);CHECK
- Refutation
- K(c);N_SPINR(g),P-FLIGHT,XB(D)
- Try
- Q(A);CHECK
- Refutation
- K(c);N_SPINR(g),P-FLIGHT,XB(D)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(d);CHECK::R(F)+S(E),XB(d)
- S(h);N_PINP(G)::S(B)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- K(c);N_SPINR(g),P-FLIGHT,XB(D)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(d);CHECK::R(F)+S(E),XB(d)
- Refutation
- S(h);N_PINP(G)
- Try
- Actual
- Q(A);
- Threat
- QAR2(A),XB(d)
- Vars
- B(d);CHECK::R(F)+S(E),XB(d)
- B(d);XQ(A)::R(F)+S(E)
- B(d);N_PINP(G)::R(F)+S(E),XB(d)
- S(f);N_GUARD::QAB1(A),XS(f)
- B(d);::R(F)+S(E)
- B(d);::R(F)+S(E),XB(d)
- B(d);P_PINR(F),S_CUTR(b)::S(B),XP(a)
- B(d);N_PINP(G)::PXS(h)=S
- S(f);N_GUARD::QAB1(A)
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).