MESON Chess Problem Database
Problem Display
PID: 18758 (1Nr5/1kP3Q1/R3B3/4BN2/4nP2/4n3/8/6K1 w - - 0 1)
Warton, Joseph John
Chess, 1958
#2
9 + 4
| 1111 | Busmen's Chess Review | 1960 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7
- 2.Qxc7#
- 1...Rxb8
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...Re8
- 2.c8Q#
- 2.c8B#
- 1...Rf8
- 2.c8Q#
- 2.c8B#
- 1...Rg8
- 2.c8Q#
- 2.c8B#
- 1...Rh8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sxf5
- 2.Bd5#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rxc7
- Tries
- 1.Bb2?
- 1...Rxb8
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8R#
- 2.c8Q#
- 1...Re8
- 2.c8Q#
- 1...Rf8
- 2.c8Q#
- 1...Rg8
- 2.c8Q#
- 1...Rh8
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rxc7!
- 1...Rxb8
- 1.Bc3?
- 1...Rxb8
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sxc3
- 2.Sd6#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8R#
- 2.c8Q#
- 1...Re8
- 2.c8Q#
- 1...Rf8
- 2.c8Q#
- 1...Rg8
- 2.c8Q#
- 1...Rh8
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rxc7!
- 1...Rxb8
- 1.Bd4?
- threat
- 2.Ra7#
- 1...Rxb8
- 2.c8Q#
- 2.c8B#
- 1...Sc5
- 2.Sd6#
- 1...Rxc7!
- threat
- 1.Bf6?
- 1...Rxb8
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sxf6
- 2.Sd6#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8R#
- 2.c8Q#
- 1...Re8
- 2.c8Q#
- 1...Rf8
- 2.c8Q#
- 1...Rg8
- 2.c8Q#
- 1...Rh8
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Rxc7!
- 1...Rxb8
- 1.Qd7?
- threat
- 2.Qb5#
- 2.Qc6#
- 2.Qxc8#
- 1...Rxc7
- 2.Qb5#
- 2.Qxc7#
- 1...Rxb8
- 2.Qb5#
- 2.Qc6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Rd8
- 2.Qb5#
- 2.Qc6#
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...Re8
- 2.Qb5#
- 2.Qc6#
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rf8
- 2.Qb5#
- 2.Qc6#
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rh8
- 2.Qb5#
- 2.Qc6#
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sc4
- 2.Bd5#
- 2.Qc6#
- 2.Qxc8#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qc6#
- 2.Qxc8#
- 2.Qxd5#
- 1...Sc3
- 2.Sd6#
- 2.Qc6#
- 2.Qxc8#
- 1...Sd6
- 2.Sxd6#
- 2.Qc6#
- 1...Rg8+!
- threat
- 1.Qe7?
- threat
- 2.Qb4#
- 1...Rxb8
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Sc2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sc3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Rg8+!
- threat
- 1.Qf7?
- 1...Rxc7
- 2.Qxc7#
- 1...Rxb8
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...Re8
- 2.c8Q#
- 2.c8B#
- 1...Rf8
- 2.c8Q#
- 2.c8B#
- 1...Rh8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rg8+!
- 1...Rxc7
- 1.Qh7?
- 1...Rxc7
- 2.Qxc7#
- 1...Rxb8
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...Re8
- 2.c8Q#
- 2.c8B#
- 1...Rf8
- 2.c8Q#
- 2.c8B#
- 1...Rh8
- 2.c8Q#
- 2.c8B#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rg8+!
- 1...Rxc7
- 1.Bb2?
- Keys
- 1.Ba1!
- 1...Rxc7
- 2.Qb2#
- 1...Rxb8
- 2.c8Q#
- 2.c8B#
- 1...Sxf5
- 2.Bd5#
- 1...Sd2
- 2.Sd6#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8R#
- 2.c8Q#
- 1...Re8
- 2.c8Q#
- 1...Rf8
- 2.c8Q#
- 1...Rg8
- 2.c8Q#
- 1...Rh8
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sg2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Rxc7
- 1.Ba1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);OGATE,P_SPINR(d),XP(G)::QAR1(H),XR(d)
- R(d);OGATE::P=Q
- R(d);OGATE,P_PINQ(H)::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Tries
- Try
- B(C);
- Vars
- R(d);OGATE,XS(I)::P=Q
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- R(d);OGATE,P_PINQ(H)::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);P_SPINR(d),XP(G)
- Try
- B(C);
- Vars
- R(d);OGATE,XS(I)::P=Q
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD,XB(C)::S(D)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- R(d);OGATE,P_PINQ(H)::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);P_SPINR(d),XP(G)
- Try
- B(C);
- Threat
- R1(E)
- Vars
- R(d);OGATE,XS(I)::P=Q
- S(b);N_GUARD::S(D)
- Refutation
- R(d);P_SPINR(d),XP(G)
- Try
- B(C);
- Vars
- R(d);OGATE,XS(I)::P=Q
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD,XB(C)::S(D)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- R(d);OGATE,P_PINQ(H)::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);P_SPINR(d),XP(G)
- Try
- Q(H);
- Threat
- DUALS(3)
- Refutation
- R(d);CHECK
- Try
- Q(H);
- Threat
- QAR(H)
- Vars
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);CHECK
- Try
- Q(H);
- Vars
- R(d);OGATE,P_SPINR(d),XP(G)::QAR1(H),XR(d)
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);CHECK
- Try
- Q(H);
- Vars
- R(d);OGATE,P_SPINR(d),XP(G)::QAR1(H),XR(d)
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(d);CHECK
- Try
- Actual
- B(C);
- Vars
- R(d);P_SPINR(d),SBLOCK,XP(G)::QAR(H)
- R(d);OGATE,XS(I)::P=Q
- S(a);N_GUARD,XS(D)::B(F)
- S(b);N_GUARD::S(D)
- R(d);OGATE::P=Q
- R(d);OGATE,P_PINQ(H)::P=Q
- S(a);N_GUARD::B(F)
- S(a);N_GUARD::B(F),XS(a)
- S(b);N_GUARD::S(D),XS(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).