MESON Chess Problem Database
Problem Display
PID: 10589 (8/K2N3B/1p4RP/3P1r2/3B4/1P1k1P2/nQ3P2/1bn3N1 w - - 0 1)
Mansfield, Comins
Die Schwalbe, 1966
#2
12 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Rg3#
- 1...Rf4
- 2.Se5#
- 1...Re5
- 2.Sxe5#
- 1...Rg5
- 2.Rxg5#
- 1...Rh5
- 2.Rg5#
- 1...Rf6
- 2.Se5#
- 2.Rxf6#
- 1...Rf8
- 2.Se5#
- 2.Rf6#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...b5
- 2.Sc5#
- 1...Rxf3
- Tries
- 1.Bf6?
- 1...Rxf3
- 2.Rg3#
- 1...Rxf6
- 2.Se5#
- 2.Rxf6#
- 1...Sxb3
- 2.Qe2#
- 1...Bc2
- 2.Qd4#
- 1...Rf4
- 2.Se5#
- 1...Re5
- 2.Sxe5#
- 1...Rg5
- 2.Rxg5#
- 1...Rh5
- 2.Rg5#
- 1...Se2
- 2.Qxe2#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...b5
- 2.Sc5#
- 1...Rxd5!
- 1...Rxf3
- 1.Bh8?
- 1...Rxf3
- 2.Rg3#
- 1...Rxd5
- 2.Rd6#
- 1...Sxb3
- 2.Qe2#
- 1...Bc2
- 2.Qd4#
- 1...Rf4
- 2.Se5#
- 1...Re5
- 2.Sxe5#
- 1...Rg5
- 2.Rxg5#
- 1...Rh5
- 2.Rg5#
- 1...Rf6
- 2.Se5#
- 2.Rxf6#
- 1...Rf8
- 2.Se5#
- 2.Rf6#
- 1...Se2
- 2.Qxe2#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...b5
- 2.Sc5#
- 1...Rf7!
- 1...Rxf3
- 1.Rg2?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rg3?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rg4?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 2.Qe2#
- 1...Sc3
- 2.Se5#
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rg5?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rxb6?
- threat
- 2.Sc5#
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rc6?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rd6?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Re6?
- threat
- 2.Se5#
- 2.Bxf5#
- 2.Re3#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rf6?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rg7?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Rg8?
- threat
- 2.Se5#
- 2.Bxf5#
- 1...Sxb3
- 2.Se5#
- 1...Sc3
- 2.Qxc3#
- 1...Bc2!
- threat
- 1.Qe2+?
- 1...Kxd4
- 2.Qc4#
- 1...Sxe2!
- 1...Kxd4
- 1.Bf6?
- Keys
- 1.Bg7!
- 1...Rxf3
- 2.Rg3#
- 1...Rxd5
- 2.Rd6#
- 1...Sxb3
- 2.Qe2#
- 1...Bc2
- 2.Qd4#
- 1...Rf7
- 2.Rf6#
- 1...Rf4
- 2.Se5#
- 1...Re5
- 2.Sxe5#
- 1...Rg5
- 2.Rxg5#
- 1...Rh5
- 2.Rg5#
- 1...Rf6
- 2.Se5#
- 2.Rxf6#
- 1...Rf8
- 2.Se5#
- 2.Rf6#
- 1...Se2
- 2.Qxe2#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...b5
- 2.Sc5#
- 1...Rxf3
- 1.Bg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(e);OGATEB,XP(E)::B(L)+R(H)
- R(e);N_GUARD::S(K)
- R(e);N_GUARD::S(K),XR(e)
- R(e);OGATEB::B(L)+R(H),XR(e)
- R(e);OGATEB::B(L)+R(H)
- S(c);N_GUARD::QAR1(B),XS(c)
- S(c);N_GUARD::QAR1(B)
- P(f);N_GUARD::S(K)
- Tries
- Try
- B(F);
- Vars
- R(e);OGATEB,XP(E)::B(L)+R(H)
- S(b);N_GUARD,XP(D)::QAB1(B)
- B(a);SBLOCK::QAR1(B)
- R(e);N_GUARD::S(K)
- R(e);N_GUARD::S(K),XR(e)
- R(e);OGATEB::B(L)+R(H),XR(e)
- R(e);OGATEB::B(L)+R(H)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(c);N_GUARD::QAR1(B),XS(c)
- S(c);N_GUARD::QAR1(B)
- P(f);N_GUARD::S(K)
- Refutation
- R(e);XP(G)
- Try
- B(F);
- Vars
- R(e);OGATEB,XP(E)::B(L)+R(H)
- R(e);OGATEB,XP(G)::B(L)+R(H)
- S(b);N_GUARD,XP(D)::QAB1(B)
- B(a);SBLOCK::QAR1(B)
- R(e);N_GUARD::S(K)
- R(e);N_GUARD::S(K),XR(e)
- R(e);OGATEB::B(L)+R(H),XR(e)
- R(e);OGATEB::B(L)+R(H)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(c);N_GUARD::QAR1(B),XS(c)
- S(c);N_GUARD::QAR1(B)
- P(f);N_GUARD::S(K)
- Refutation
- R(e);P_PINS(K)
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e),XP(f)
- Threat
- DUALS(3)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(3)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- R(H);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Vars
- K(d);OGATE,P-FLIGHT,XB(F)::QAR1(B)
- Refutation
- S(b);XQ(B)
- Try
- Actual
- B(F);
- Vars
- R(e);OGATEB,XP(E)::B(L)+R(H)
- R(e);OGATEB,XP(G)::B(L)+R(H)
- S(b);N_GUARD,XP(D)::QAB1(B)
- B(a);SBLOCK::QAR1(B)
- R(e);OGATEB,P_PINS(K)::B(L)+R(H)
- R(e);N_GUARD::S(K)
- R(e);N_GUARD::S(K),XR(e)
- R(e);OGATEB::B(L)+R(H),XR(e)
- R(e);OGATEB::B(L)+R(H)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(c);N_GUARD::QAR1(B),XS(c)
- S(c);N_GUARD::QAR1(B)
- P(f);N_GUARD::S(K)
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).