MESON Chess Problem Database
Problem Display
PID: 18618 (K1B5/B1pP4/2kq1b1R/1N6/2P2N2/8/4R3/8 w - - 0 1)
Lipton, Michael
Rice, John Michael
3rd Prize, Die Schwalbe, 1957
#2
9 + 4
| 3147 | Chess Problems: Introduction to an Art | 1963 |
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.d8S#
- 1...Qb4
- 2.d8S#
- 1...Qxf4
- 2.d8S#
- 1...Qc5
- 2.d8S#
- 1...Qe5
- 2.d8S#
- 1...Qe6
- 2.Rxe6#
- 1...Qxd7
- 2.Bb7#
- 1...Ba1
- 2.d8S#
- 1...Bb2
- 2.d8S#
- 1...Bc3
- 2.d8S#
- 1...Bd4
- 2.Sxd4#
- 2.d8S#
- 1...Bh4
- 2.Sd4#
- 1...Be5
- 2.d8S#
- 1...Bg5
- 2.Sd4#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.d8S#
- 1...Bd8
- 2.Sd4#
- 1...Bh8
- 2.d8S#
- 1...Qa3
- Tries
- 1.Sg6?
- 1...Qxd7
- 2.Se5#
- 2.Bb7#
- 1...Qe7
- 2.Sxe7#
- 1...Qh2
- 2.Se7#
- 1...Qa3
- 2.Se5#
- 1...Qg3
- 2.Se7#
- 1...Qb4
- 2.Se5#
- 1...Qf4
- 2.Se7#
- 1...Qe5
- 2.Sxe5#
- 1...Qf8
- 2.Se5#
- 1...Qd1
- 2.Se5#
- 2.Se7#
- 1...Qd2
- 2.Se5#
- 2.Se7#
- 1...Qd3
- 2.Se5#
- 2.Se7#
- 1...Qd4
- 2.Se7#
- 1...Qd5
- 2.Se7#
- 1...Qe6
- 2.Rxe6#
- 1...Ba1
- 2.Se7#
- 1...Bb2
- 2.Se7#
- 1...Bc3
- 2.Se7#
- 1...Bd4
- 2.Se7#
- 1...Bh4
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 2.Se7#
- 1...Bg5
- 2.Se5#
- 1...Be7
- 2.Se5#
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Bd8
- 2.Se5#
- 1...Bh8
- 2.Se7#
- 1...Qc5!
- 1...Qxd7
- 1.Sd4+?
- 1...Bxd4
- 2.d8S#
- 1...Qxd4!
- 1...Bxd4
- 1.Ra2?
- threat
- 2.Ra6#
- 1...Qa3
- 2.d8S#
- 1...Qc5
- 2.d8S#
- 1...Bd4
- 2.Sxd4#
- 2.d8S#
- 1...Qd4!
- threat
- 1.Re6?
- 1...Ba1
- 2.d8S#
- 1...Bb2
- 2.d8S#
- 1...Bc3
- 2.d8S#
- 1...Bd4
- 2.Sxd4#
- 2.d8S#
- 1...Bh4
- 2.Sd4#
- 1...Be5
- 2.d8S#
- 1...Bg5
- 2.Sd4#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.d8S#
- 1...Bd8
- 2.Sd4#
- 1...Bh8
- 2.d8S#
- 1...Qxe6!
- 1...Ba1
- 1.Re7?
- threat
- 2.Bb7#
- 1...Bxe7
- 2.Sd4#
- 1...Qxe7!
- threat
- 1.Rxf6?
- threat
- 2.Sd4#
- 2.d8S#
- 1...Qe6
- 2.Rexe6#
- 2.Rfxe6#
- 2.d8S#
- 1...Qxf6!
- threat
- 1.d8Q?
- threat
- 2.Bb7#
- 1...Bxd8
- 2.Sd4#
- 1...Qxd8!
- threat
- 1.d8S+?
- 1...Bxd8
- 2.Sd4#
- 1...Qxd8!
- 1...Bxd8
- 1.d8R?
- threat
- 2.Bb7#
- 1...Bxd8
- 2.Sd4#
- 1...Qxd8!
- threat
- 1.Sg6?
- Keys
- 1.Se6!
- 1...Qxe6
- 2.Rxe6#
- 1...Qxd7
- 2.Bb7#
- 1...Qe7
- 2.Sed4#
- 1...Qh2
- 2.Sed4#
- 2.Sd8#
- 1...Qa3
- 2.Sed4#
- 2.Sd8#
- 1...Qg3
- 2.Sed4#
- 2.Sd8#
- 1...Qb4
- 2.Sed4#
- 2.Sd8#
- 1...Qf4
- 2.Sd8#
- 1...Qc5
- 2.Sd8#
- 1...Qe5
- 2.Sd8#
- 1...Qf8
- 2.Sed4#
- 1...Qd1
- 2.Sd8#
- 1...Qd2
- 2.Sd8#
- 1...Qd3
- 2.Sd8#
- 1...Qd4
- 2.Sexd4#
- 2.Sd8#
- 1...Qd5
- 2.Sd8#
- 1...Ba1
- 2.Sd8#
- 1...Bb2
- 2.Sd8#
- 1...Bc3
- 2.Sd8#
- 1...Bd4
- 2.Sexd4#
- 2.Sd8#
- 1...Bh4
- 2.Sed4#
- 1...Be5
- 2.Sd8#
- 1...Bg5
- 2.Sed4#
- 1...Be7
- 2.Sed4#
- 1...Bg7
- 2.Sd8#
- 1...Bd8
- 2.Sed4#
- 2.Sxd8#
- 1...Bh8
- 2.Sd8#
- 1...Qxe6
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 9
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD,P_PINB(F),P_SPINB(c)::P=S
- Q(b);N_GUARD,P_SPINB(c)::P=S
- Q(b);N_GUARD,P_SPINB(c),XS(C)::P=S
- Q(b);OGATEB::R(A),XQ(b)
- Q(b);P_SPINB(c),SBLOCK,XP(G)::B(I)
- B(c);N_GUARD,P_SPINQ(b)::P=S
- B(c);N_GUARD,P_SPINQ(b)::S(D)
- Tries
- Try
- S(C);
- Vars
- Q(b);N_GUARD,S_CUTB(c)::S(C),XQ(b)
- Q(b);N_GUARD,S_CUTB(c)::S(C)
- Q(b);N_GUARD,P_PINB(F),S_CUTB(c)::S(C)
- Q(b);N_GUARD,P_PINB(I),S_CUTB(c)::S(C)
- Q(b);OGATEB::R(A),XQ(b)
- B(c);N_GUARD,S_CUTQ(b)::S(C)
- Refutation
- Q(b);
- Try
- S(D);CHECK
- Vars
- B(c);N_GUARD,P_SPINQ(b),XS(D)::P=S
- Refutation
- Q(b);P_SPINB(c),XS(D)
- Try
- R(A);
- Threat
- R(A)
- Vars
- Q(b);N_GUARD,P_PINB(F),P_SPINB(c)::P=S
- Q(b);N_GUARD,P_SPINB(c)::P=S
- Refutation
- Q(b);P_SPINB(c)
- Try
- R(A);P_PINQ(b)
- Vars
- B(c);N_GUARD::P=S
- B(c);N_GUARD::S(D)
- Refutation
- Q(b);N_SPINQ(b),XR(A)
- Try
- R(A);
- Threat
- B(I)
- Vars
- B(c);N_GUARD,P_SPINQ(b),XR(A)::S(D)
- Refutation
- Q(b);P_SPINB(c),XR(A)
- Try
- R(E);P_PINQ(b),XB(c)
- Threat
- DUALS(2)
- Refutation
- Q(b);N_SPINQ(b),XR(E)
- Try
- P(G);
- Threat
- B(I)
- Vars
- B(c);N_GUARD,P_SPINQ(b),XQ(G)::S(D)
- Refutation
- Q(b);P_PINB(I),P_SPINB(c),XQ(G)
- Try
- P(G);CHECK
- Vars
- B(c);P_SPINQ(b),XS(G)::S(D)
- Refutation
- Q(b);P_PINB(I),P_SPINB(c),XS(G)
- Try
- P(G);
- Threat
- B(I)
- Vars
- B(c);N_GUARD,P_SPINQ(b),XR(G)::S(D)
- Refutation
- Q(b);P_PINB(I),P_SPINB(c),XR(G)
- Try
- Actual
- S(C);
- Vars
- Q(b);OGATE,XS(C)::R(A),XQ(b)
- Q(b);SBLOCK,XP(G)::B(I)
- Q(b);N_GUARD,S_CUTB(c)::S(C)
- Q(b);S_CUTB(c)::S(C)
- Q(b);N_GUARD,P_PINB(I),S_CUTB(c)::S(C)
- B(c);N_GUARD::S(C)
- B(c);N_GUARD,S_CUTQ(b)::S(C)
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).