MESON Chess Problem Database
Problem Display
PID: 8029 (6b1/b6P/K2N1p2/R2N3R/1pPkPp2/1P1p1P2/3Q3n/3n4 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Sb5#
- 1...Bxd5
- 2.Raxd5#
- 2.Rhxd5#
- 1...Sb2
- 2.Qxb2#
- 2.Qf2#
- 1...Sf2
- 2.Qb2#
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qb2#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bc5
- Tries
- 1.Sc3?
- threat
- 2.Se2#
- 2.Scb5#
- 2.Sdb5#
- 2.Sf5#
- 1...Bxh7
- 2.Se2#
- 2.Scb5#
- 2.Sdb5#
- 2.Rad5#
- 2.Rhd5#
- 1...Sxc3
- 2.Sf5#
- 2.Qf2#
- 1...bxc3
- 2.Sb5#
- 2.Sf5#
- 1...Bc5
- 2.Se2#
- 2.Scb5#
- 2.Sdb5#
- 1...Bd5
- 2.Se2#
- 2.Raxd5#
- 2.Rhxd5#
- 1...Be6
- 2.Se2#
- 2.Scb5#
- 2.Sdb5#
- 1...Se3
- 2.Se2#
- 2.Scb5#
- 2.Sdb5#
- 1...f5
- 2.Se2#
- 2.Sxf5#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Se3?
- threat
- 2.Sc2#
- 2.Sef5#
- 2.Sb5#
- 2.Sdf5#
- 1...Bxh7
- 2.Sc2#
- 2.Sb5#
- 2.Rad5#
- 2.Rhd5#
- 1...Sxe3
- 2.Sb5#
- 2.Qb2#
- 1...Sxf3
- 2.Sc2#
- 2.Sef5#
- 1...fxe3
- 2.Sb5#
- 2.Sf5#
- 1...Bc5
- 2.Sc2#
- 2.Sb5#
- 1...Bd5
- 2.Sc2#
- 2.Raxd5#
- 2.Rhxd5#
- 1...Be6
- 2.Sc2#
- 2.Sb5#
- 1...Sc3
- 2.Sc2#
- 2.Sef5#
- 2.Sdf5#
- 1...f5
- 2.Sc2#
- 2.Sexf5#
- 2.Sdxf5#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Sxb4?
- threat
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Qxd3#
- 1...Bxh7
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Rad5#
- 2.Rhd5#
- 2.Qxd3#
- 1...Sxf3
- 2.Sc2#
- 2.Sc6#
- 2.Qxd3#
- 1...Bc5
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Qxd3#
- 1...Bd5
- 2.Sc2#
- 2.Raxd5#
- 2.Rhxd5#
- 2.Qxd3#
- 1...Be6
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Qxd3#
- 1...Sb2
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 1...Sf2
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 1...Sc3
- 2.Sc2#
- 2.Sc6#
- 2.Sf5#
- 2.Qf2#
- 2.Qxd3#
- 1...Se3
- 2.Sc6#
- 2.Sb5#
- 2.Qb2#
- 2.Qxd3#
- 1...f5
- 2.Sc2#
- 2.Sc6#
- 2.Sxf5#
- 2.Qxd3#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Sxf4?
- threat
- 2.Se2#
- 2.Sb5#
- 2.Sf5#
- 2.Qxd3#
- 1...Bxh7
- 2.Se2#
- 2.Se6#
- 2.Sb5#
- 2.Rad5#
- 2.Rhd5#
- 2.Qxd3#
- 1...Sxf3
- 2.Se2#
- 2.Qxd3#
- 1...Bc5
- 2.Se2#
- 2.Sb5#
- 2.Qxd3#
- 1...Bd5
- 2.Se2#
- 2.Raxd5#
- 2.Rhxd5#
- 2.Qxd3#
- 1...Be6
- 2.Se2#
- 2.Sxe6#
- 2.Sb5#
- 2.Qxd3#
- 1...Sb2
- 2.Se2#
- 2.Sb5#
- 2.Sf5#
- 1...Sf2
- 2.Se2#
- 2.Sb5#
- 2.Sf5#
- 1...Sc3
- 2.Sf5#
- 2.Qf2#
- 2.Qxd3#
- 1...Se3
- 2.Se2#
- 2.Sb5#
- 2.Qb2#
- 2.Qxd3#
- 1...f5
- 2.Se2#
- 2.Sxf5#
- 2.Qxd3#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Sxf6?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Bxh7
- 2.Sb5#
- 2.Rad5#
- 2.Rhd5#
- 1...Bc5
- 2.Sb5#
- 1...Bd5
- 2.Raxd5#
- 2.Rhxd5#
- 1...Be6
- 2.Sb5#
- 1...Sc3
- 2.Sf5#
- 2.Qf2#
- 1...Se3
- 2.Sb5#
- 2.Qb2#
- 1...Bxc4+!
- threat
- 1.Sc7?
- threat
- 2.Sdb5#
- 2.Sf5#
- 2.Scb5#
- 1...Bxh7
- 2.Sdb5#
- 2.Scb5#
- 2.Se6#
- 2.Rad5#
- 2.Rhd5#
- 1...Sxf3
- 2.Scb5#
- 1...Bc5
- 2.Sdb5#
- 2.Scb5#
- 1...Bd5
- 2.Raxd5#
- 2.Rhxd5#
- 1...Be6
- 2.Sdb5#
- 2.Scb5#
- 2.Sxe6#
- 1...Sc3
- 2.Sf5#
- 2.Qf2#
- 1...Se3
- 2.Sdb5#
- 2.Scb5#
- 2.Qb2#
- 1...f5
- 2.Sxf5#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Se7?
- threat
- 2.Sb5#
- 2.Sdf5#
- 2.Sef5#
- 2.Sc6#
- 1...Bxh7
- 2.Sb5#
- 2.Sc6#
- 2.Rad5#
- 2.Rhd5#
- 1...Sxf3
- 2.Sef5#
- 2.Sc6#
- 1...Bc5
- 2.Sb5#
- 2.Sc6#
- 1...Bd5
- 2.Raxd5#
- 2.Rhxd5#
- 1...Be6
- 2.Sb5#
- 2.Sc6#
- 1...Sc3
- 2.Sdf5#
- 2.Sef5#
- 2.Sc6#
- 2.Qf2#
- 1...Se3
- 2.Sb5#
- 2.Sc6#
- 2.Qb2#
- 1...f5
- 2.Sdxf5#
- 2.Sexf5#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Bxc4+!
- threat
- 1.Qxb4?
- threat
- 2.Sb5#
- 2.c5#
- 1...Sxf3
- 2.c5#
- 1...d2
- 2.Qxd2#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bc5
- 2.Sb5#
- 2.Qxc5#
- 1...Sb2
- 2.Sb5#
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 2.c5#
- 1...Se3
- 2.Sb5#
- 2.Qc3#
- 1...Bxd5!
- threat
- 1.Qxf4?
- threat
- 2.Sf5#
- 2.Qxf6#
- 2.e5#
- 1...Bxh7
- 2.Qxf6#
- 1...Sxf3
- 2.Sf5#
- 2.e5#
- 1...d2
- 2.Qxd2#
- 1...Be6
- 2.Qxf6#
- 2.e5#
- 1...Sf2
- 2.Sf5#
- 2.Qe3#
- 2.Qxf6#
- 1...Sc3
- 2.Sf5#
- 2.Qe3#
- 2.Qxf6#
- 1...Se3
- 2.Qxe3#
- 2.Qxf6#
- 2.e5#
- 1...Sg4
- 2.Sf5#
- 2.e5#
- 1...f5
- 2.Sxf5#
- 2.exf5#
- 2.e5#
- 2.h8Q#
- 2.h8B#
- 1...Bxd5!
- threat
- 1.Qxd1?
- threat
- 2.Qa1#
- 2.Qg1#
- 1...Sxf3
- 2.Qa1#
- 1...d2
- 2.Qxd2#
- 1...f5
- 2.Qa1#
- 2.h8Q#
- 2.h8B#
- 1...Sf1
- 2.Qa1#
- 1...Sg4
- 2.Qa1#
- 1...Bxd5!
- threat
- 1.Qb2+?
- 1...Sc3
- 2.Qf2#
- 1...Sxb2!
- 1...Sc3
- 1.Qf2+?
- 1...Se3
- 2.Qb2#
- 1...Sxf2!
- 1...Se3
- 1.e5?
- threat
- 2.Qxf4#
- 1...Bxd5
- 2.Rxd5#
- 1...fxe5
- 2.Sf5#
- 1...Sf2
- 2.Qb2#
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qb2#
- 1...Bxh7!
- threat
- 1.Sc3?
- Keys
- 1.c5!
- threat
- 2.Qxb4#
- 1...Bxc5
- 2.Sb5#
- 1...Bxd5
- 2.Rxd5#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Sb2
- 2.Qxb2#
- 2.Qf2#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qb2#
- threat
- 1.c5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);SBLOCK::S(J)
- S(a);N_GUARD::QAB(A)
- P(g);::P=Q
- Tries
- Try
- S(G);
- Threat
- DUALS(4)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);
- Threat
- DUALS(4)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);XP(d)
- Threat
- DUALS(5)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);XP(f)
- Threat
- DUALS(4)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);XP(g)
- Threat
- DUALS(2)
- Vars
- B(h);::S(J)
- B(i);::S(J)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- S(b);XP(C)::S(G)
- Refutation
- B(i);CHECK,XP(D)
- Try
- S(G);
- Threat
- DUALS(4)
- Refutation
- B(i);CHECK,XP(D)
- Try
- Q(A);N_PINP(c),XP(d)
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::QAR(A)+P(D)
- P(c);OGATEB::QAR2(A),XP(c)
- P(g);::P=Q
- Refutation
- B(i);XS(G)
- Try
- Q(A);N_PINP(c),XP(f)
- Threat
- DUALS(3)
- Vars
- B(i);XP(K)::QAB(A),XP(g)
- P(c);OGATEB::QAR2(A),XP(c)
- Refutation
- B(i);XS(G)
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::QAB(A)
- P(c);OGATEB::QAR2(A),XP(c)
- S(b);::QAB(A)
- Refutation
- B(i);XS(G)
- Try
- Q(A);CHECK,N_PINP(c)
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(A)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK,N_PINP(c)
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(A)
- Refutation
- S(a);XQ(A)
- Try
- P(E);
- Threat
- QAR2(A),XP(f)
- Vars
- B(i);OGATE,XS(G)::R1(F),XB(i)
- P(g);SBLOCK,XP(E)::S(J)
- S(a);N_GUARD::QAB(A)
- Refutation
- B(i);XP(K)
- Try
- Actual
- P(D);
- Threat
- QAR2(A),XP(d)
- Vars
- B(h);SBLOCK,XP(D)::S(J)
- B(i);OGATE,XS(G)::R1(H),XB(i)
- P(g);::P=Q
- S(a);N_GUARD::QAB(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).