MESON Chess Problem Database
Problem Display
PID: 235214 (1q6/3PPkpP/B2R2N1/3pP2K/8/Rp6/bN6/Q3b3 w - - 0 1)
Heyl, Peter
Schach, 2003
#2
11 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxd6
- 2.e8Q#
- 1...Qa7
- 2.e8Q#
- 2.e8B#
- 1...Qc7
- 2.e8Q#
- 2.e8B#
- 1...Qb4
- 2.e8Q#
- 2.e8B#
- 1...Qb5
- 2.e8Q#
- 2.e8B#
- 1...Qb6
- 2.e8Q#
- 2.e8B#
- 1...Qb7
- 2.e8Q#
- 2.e8B#
- 1...Qd8
- 2.exd8S#
- 1...Qf8
- 2.exf8Q#
- 2.exf8R#
- 1...Bc3
- 2.Qf1#
- 1...Bb4
- 2.Qf1#
- 1...Ba5
- 2.Qf1#
- 1...d4
- 2.Bc4#
- 1...Qxd6
- Tries
- 1.Sd1?
- threat
- 2.e6#
- 1...Qxd6
- 2.e8Q#
- 1...b2
- 2.Rf3#
- 1...d4
- 2.Bc4#
- 1...Bc3!
- threat
- 1.Sd3?
- threat
- 2.e6#
- 1...Qxd6
- 2.e8Q#
- 1...Bc3
- 2.Qf1#
- 1...d4
- 2.Bc4#
- 1...b2!
- threat
- 1.Sc4?
- threat
- 2.e6#
- 1...Qxd6
- 2.e8Q#
- 1...Bc3
- 2.Qf1#
- 1...b2
- 2.Rf3#
- 1...d4!
- threat
- 1.Bb7?
- threat
- 2.Bxd5#
- 1...Qxd6
- 2.e8Q#
- 1...Qxb7
- 2.e8Q#
- 2.e8B#
- 1...d4
- 2.Bd5#
- 1...Qa8!
- threat
- 1.Bc8?
- threat
- 2.e8Q#
- 2.e8B#
- 1...Qa8
- 2.e8Q#
- 2.e8B#
- 1...Qa7
- 2.e8Q#
- 2.e8B#
- 1...Qc7
- 2.e8Q#
- 2.e8B#
- 1...Qb4
- 2.e8Q#
- 2.e8B#
- 1...Qb5
- 2.e8Q#
- 2.e8B#
- 1...Qb6
- 2.e8Q#
- 2.e8B#
- 1...Qb7
- 2.e8Q#
- 2.e8B#
- 1...Bd2
- 2.e8Q#
- 2.e8B#
- 1...Bf2
- 2.e8Q#
- 2.e8B#
- 1...Bc3
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 1...Bg3
- 2.e8Q#
- 2.e8B#
- 1...Bb4
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 1...Bh4
- 2.e8Q#
- 2.e8B#
- 1...Ba5
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 1...Bb1
- 2.e8Q#
- 2.e8B#
- 1...d4
- 2.e8Q#
- 2.e8B#
- 1...Qxc8!
- threat
- 1.Qd1?
- threat
- 2.Qf3#
- 2.Qxd5#
- 1...Qxd6
- 2.e8Q#
- 1...Qa8
- 2.Qf3#
- 1...Qb4
- 2.Qxd5#
- 2.e8Q#
- 2.e8B#
- 1...Qb5
- 2.Qf3#
- 2.e8Q#
- 2.e8B#
- 1...Qb7
- 2.Qf3#
- 2.e8Q#
- 2.e8B#
- 1...Bg3
- 2.Qxd5#
- 1...Bh4
- 2.Qxd5#
- 1...Bb1
- 2.Qxd5#
- 1...d4
- 2.Bc4#
- 2.Qf3#
- 1...Bd2!
- threat
- 1.Qxe1?
- threat
- 2.Qf2#
- 2.Qf1#
- 1...Qxd6
- 2.e8Q#
- 1...Qa7
- 2.e8Q#
- 2.e8B#
- 1...Qb4
- 2.e8Q#
- 2.e8B#
- 1...Qb5
- 2.Qf2#
- 2.e8Q#
- 2.e8B#
- 1...Qb6
- 2.e8Q#
- 2.e8B#
- 1...Bb1!
- threat
- 1.d8Q?
- threat
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qxd6
- 2.Qg8#
- 2.e8Q#
- 1...Qa8
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qa7
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qc7
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb4
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb5
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.h8S#
- 1...Qb6
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb7
- 2.Sh8#
- 2.Qf8#
- 2.Qg8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qc8
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bd2
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bf2
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bc3
- 2.Sh8#
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bg3
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bb4
- 2.Sh8#
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bh4
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Ba5
- 2.Sh8#
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bb1
- 2.Sh8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...d4
- 2.Sh8#
- 2.Bc4#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qxd8!
- threat
- 1.d8S+?
- 1...Ke8
- 2.h8Q#
- 2.h8R#
- 1...Qxd8!
- 1...Ke8
- 1.d8R?
- threat
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qxd6
- 2.e8Q#
- 1...Qa8
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qa7
- 2.Rf8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qc7
- 2.Rf8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb4
- 2.Rf8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb5
- 2.Rf8#
- 2.h8S#
- 1...Qb6
- 2.Rf8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qb7
- 2.Rf8#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qc8
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bd2
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bf2
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bc3
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bg3
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bb4
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bh4
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Ba5
- 2.Qf1#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Bb1
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...d4
- 2.Bc4#
- 2.e8Q#
- 2.e8B#
- 2.h8S#
- 1...Qxd8!
- threat
- 1.e8R?
- threat
- 2.Sh8#
- 2.Re7#
- 2.h8S#
- 1...Qxd6
- 2.Sh8#
- 2.h8S#
- 1...Qd8
- 2.Sh8#
- 2.h8S#
- 1...Bh4
- 2.Sh8#
- 2.h8S#
- 1...Qxe8!
- threat
- 1.Sd1?
- Keys
- 1.Sa4!
- threat
- 2.e6#
- 1...Qxd6
- 2.e8Q#
- 1...Bc3
- 2.Qf1#
- 1...b2
- 2.Rf3#
- 1...d4
- 2.Bc4#
- threat
- 1.Sa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(g);N_GUARD,XR(G)::P=Q
- Q(g);N_GUARD::P=Q
- Q(g);OGATE::PXQ(g)=S
- Q(g);OGATE::PXQ(g)=Q
- B(a);OGATE::QAR(A)
- P(d);OGATEB::B(F)
- Tries
- Try
- S(B);
- Threat
- P(D)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- P(c);OGATE::R(C)
- P(d);OGATEB::B(F)
- Refutation
- B(a);
- Try
- S(B);
- Threat
- P(D)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- B(a);OGATE::QAR(A)
- P(d);OGATEB::B(F)
- Refutation
- P(c);
- Try
- S(B);
- Threat
- P(D)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- B(a);OGATE::QAR(A)
- P(c);OGATE::R(C)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- B(F),XP(d)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- Q(g);N_GUARD,XB(F)::P=Q
- P(d);::B(F)
- Refutation
- Q(g);
- Try
- B(F);
- Threat
- P=Q
- Vars
- Q(g);::P=Q
- B(a);::P=Q
- B(b);::P=Q
- P(d);::P=Q
- Refutation
- Q(g);XB(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- Q(g);::QAR(A)
- B(a);::QAB(A),XP(d)
- B(b);::QAB(A),XP(d)
- Refutation
- B(a);
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- Q(g);N_GUARD::P=Q
- Refutation
- B(b);
- Try
- P(I);
- Threat
- DUALS(4)
- Refutation
- Q(g);XQ(I)
- Try
- P(I);CHECK
- Vars
- K(e);S_FLIGHT::P=Q
- Refutation
- Q(g);XS(I)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- Q(g);XR(G)::P=Q
- Refutation
- Q(g);XR(I)
- Try
- P(J);
- Threat
- DUALS(3)
- Refutation
- Q(g);XR(J)
- Try
- Actual
- S(B);
- Threat
- P(D)
- Vars
- Q(g);N_GUARD,XR(G)::P=Q
- B(a);OGATE::QAR(A)
- P(c);OGATE::R(C)
- P(d);OGATEB::B(F)
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).