MESON Chess Problem Database
Problem Display
PID: 69724 (4r3/b1B3nr/2pRNpqp/2pNk1p1/6Rp/3p3K/5Q2/5n2 w - - 0 1)
Amirov, Talip Khasanovich
Sinfonie Scacchistiche, 1977
#2
7 + 14
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qxf6#
- 1...Qf5
- 2.Qb2#
- 1...Qh5
- 2.Qxf6#
- 1...cxd5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 1...f5
- 2.Qb2#
- 1...Qe4
- Tries
- 1.Se3?
- threat
- 2.Sc4#
- 2.Rxc6#
- 2.Qb2#
- 1...Rxe6
- 2.Sc4#
- 2.Rd5#
- 2.Qb2#
- 1...Sxe6
- 2.Sc4#
- 2.Rd5#
- 1...f5
- 2.Qb2#
- 1...Qe4
- 2.Rxc6#
- 1...Qf7
- 2.Sc4#
- 2.Qb2#
- 1...Re7
- 2.Sc4#
- 2.Qb2#
- 1...Rb8
- 2.Sc4#
- 2.Rxc6#
- 1...Rc8
- 2.Sc4#
- 2.Qb2#
- 1...Rd8
- 2.Sc4#
- 2.Qb2#
- 1...Bb6
- 2.Sc4#
- 2.Qb2#
- 1...Bb8
- 2.Sc4#
- 2.Qb2#
- 1...Sd2
- 2.Rxc6#
- 2.Qh2#
- 1...Sf5
- 2.Sc4#
- 1...Sh5
- 2.Sc4#
- 2.Qb2#
- 1...d2
- 2.Sc4#
- 2.Rxc6#
- 1...c4
- 2.Sxc4#
- 2.Rxc6#
- 1...Sxe3!
- threat
- 1.Sb4?
- threat
- 2.Sxc6#
- 2.Rxc6#
- 1...Rxe6
- 2.Sxc6#
- 2.Rd5#
- 1...Sxe6
- 2.Sxc6#
- 2.Rd5#
- 1...f5
- 2.Qb2#
- 1...Qe4
- 2.Rxc6#
- 1...Qf7
- 2.Sxd3#
- 2.Sxc6#
- 1...Re7
- 2.Sxc6#
- 1...Rc8
- 2.Sxc6#
- 1...Rd8
- 2.Sxc6#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Sxc6#
- 2.Qxc5#
- 1...Sf5
- 2.Sxd3#
- 2.Sxc6#
- 1...Sh5
- 2.Sxc6#
- 1...cxb4!
- threat
- 1.Sdf4?
- threat
- 2.Sxg6#
- 1...Ke4
- 2.Sxd3#
- 2.Sxg6#
- 1...Kf5
- 2.Sxd3#
- 1...gxf4
- 2.Qxf4#
- 1...Qe4
- 2.Rd5#
- 1...Qf5
- 2.Rd4#
- 1...Qh5
- 2.Sxd3#
- 1...Qf7
- 2.Sxd3#
- 1...f5!
- threat
- 1.Sb6?
- threat
- 2.Sc4#
- 2.Sd7#
- 2.Rxc6#
- 2.Qxc5#
- 1...Rxe6
- 2.Sc4#
- 2.Sd7#
- 2.Rd5#
- 2.Qxc5#
- 1...Sxe6
- 2.Sc4#
- 2.Rd5#
- 1...f5
- 2.Sd7#
- 2.Qb2#
- 1...Qe4
- 2.Sd7#
- 2.Rxc6#
- 1...Qf7
- 2.Sc4#
- 2.Qxc5#
- 1...Re7
- 2.Sc4#
- 2.Qxc5#
- 1...Rc8
- 2.Sc4#
- 2.Sd7#
- 2.Qxc5#
- 1...Rd8
- 2.Sc4#
- 2.Qxc5#
- 1...Bb8
- 2.Sc4#
- 2.Sd7#
- 2.Qxc5#
- 1...Sd2
- 2.Sd7#
- 2.Rxc6#
- 2.Qxc5#
- 1...Se3
- 2.Sd7#
- 2.Rxc6#
- 1...Sf5
- 2.Sc4#
- 2.Qxc5#
- 1...Sh5
- 2.Sc4#
- 2.Qxc5#
- 1...c4
- 2.Sxc4#
- 2.Sd7#
- 2.Rxc6#
- 2.Qc5#
- 1...Bxb6!
- threat
- 1.Se7?
- threat
- 2.Sxc6#
- 2.Sxg6#
- 2.Rxc6#
- 2.Qb2#
- 1...Sxe6
- 2.Sxc6#
- 2.Sxg6#
- 2.Rd5#
- 1...f5
- 2.Qb2#
- 1...Qe4
- 2.Rxc6#
- 1...Qf5
- 2.Sxc6#
- 2.Rxc6#
- 2.Qb2#
- 1...Qh5
- 2.Sxc6#
- 2.Rxc6#
- 2.Qb2#
- 1...Qf7
- 2.Sxc6#
- 2.Rxc6#
- 2.Qb2#
- 1...Rb8
- 2.Sxc6#
- 2.Sxg6#
- 2.Rxc6#
- 1...Rc8
- 2.Sxc6#
- 2.Sxg6#
- 2.Qb2#
- 1...Rd8
- 2.Sxc6#
- 2.Sxg6#
- 2.Qb2#
- 1...Bb6
- 2.Sxc6#
- 2.Sxg6#
- 2.Qb2#
- 1...Bb8
- 2.Sxc6#
- 2.Sxg6#
- 2.Qxc5#
- 2.Qb2#
- 1...Sd2
- 2.Sxc6#
- 2.Sxg6#
- 2.Rxc6#
- 2.Qh2#
- 1...Sf5
- 2.Sxc6#
- 2.Sxg6#
- 1...d2
- 2.Sxc6#
- 2.Sxg6#
- 2.Rxc6#
- 1...c4
- 2.Sxc6#
- 2.Sxg6#
- 2.Rxc6#
- 1...Rxe7!
- threat
- 1.Sd4?
- threat
- 2.Sxc6#
- 2.Rd7#
- 2.Rd8#
- 1...cxd5
- 2.Sc6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rxf6#
- 2.Rd7#
- 2.Rd8#
- 1...Qf7
- 2.Sxc6#
- 2.Rd7#
- 1...Re6
- 2.Sxc6#
- 1...Re7
- 2.Sxc6#
- 2.Rd7#
- 1...Rc8
- 2.Sxc6#
- 1...Rd8
- 2.Sxc6#
- 2.Rd7#
- 2.Rxd8#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Sxc6#
- 1...Sf5
- 2.Sf3#
- 2.Sxc6#
- 1...Sh5
- 2.Sxc6#
- 2.Rd7#
- 1...Se6
- 2.Sxc6#
- 1...f5
- 2.Sf3#
- 2.Sxc6#
- 1...cxd4!
- threat
- 1.Sd8?
- threat
- 2.Sxc6#
- 2.Rd7#
- 1...cxd5
- 2.Sc6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rxf6#
- 2.Rd7#
- 1...Re6
- 2.Sxc6#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Sxc6#
- 1...Sf5
- 2.Sxc6#
- 1...Se6
- 2.Sxc6#
- 1...f5
- 2.Sxc6#
- 2.Qb2#
- 1...Rxd8!
- threat
- 1.Sf8?
- threat
- 2.Sxg6#
- 2.Sd7#
- 2.Rd7#
- 2.Rd8#
- 1...Qe4
- 2.Sd7#
- 2.Rd7#
- 2.Rd8#
- 2.Qxf6#
- 1...Qf5
- 2.Rd7#
- 2.Rd8#
- 2.Qb2#
- 1...Qh5
- 2.Sd7#
- 2.Rd7#
- 2.Rd8#
- 2.Qxf6#
- 1...Qf7
- 2.Rd7#
- 1...Re6
- 2.Sxg6#
- 2.Sd7#
- 1...Re7
- 2.Sxg6#
- 2.Rd7#
- 1...Rc8
- 2.Sxg6#
- 2.Sd7#
- 1...Rd8
- 2.Sxg6#
- 2.Rd7#
- 2.Rxd8#
- 1...Bb6
- 2.Sxg6#
- 2.Sd7#
- 1...Bb8
- 2.Sxg6#
- 2.Sd7#
- 1...Sf5
- 2.Sxg6#
- 1...Sh5
- 2.Sxg6#
- 2.Rd7#
- 1...Se6
- 2.Sxg6#
- 1...f5
- 2.Sxg6#
- 2.Sd7#
- 2.Qb2#
- 1...Rxf8!
- threat
- 1.Re4+?
- 1...Qxe4
- 2.Qxf6#
- 1...Kxe4!
- 1...Qxe4
- 1.Qe1+?
- 1...Kf5
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Se3!
- 1...Kf5
- 1.Qe3+?
- 1...Kf5
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Sxe3!
- 1...Kf5
- 1.Qd4+?
- 1...Kf5
- 2.Qe4#
- 1...cxd4!
- 1...Kf5
- 1.Se3?
- Keys
- 1.Sef4!
- threat
- 2.Sxg6#
- 1...Ke4
- 2.Sxg6#
- 1...Kf5
- 2.Sxd3#
- 1...gxf4
- 2.Qxf4#
- 1...Qe4
- 2.Rxf6#
- 1...Qf5
- 2.Re6#
- 1...Qh5
- 2.Sxd3#
- 1...Qf7
- 2.Sxd3#
- threat
- 1.Sef4!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(i);N_GUARD::QAB1(A),XP(h)
- Q(i);P_PINR(C),SBLOCK::QAB(A)
- P(h);SBLOCK::QAB(A)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- P(h);::QAB(A)
- Q(i);::B(G)+R(E),XP(g)
- S(l);::S(D)
- Refutation
- S(a);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(h);SBLOCK::QAB(A)
- Q(i);::B(G)+R(E),XP(g)
- R(n);::S(D),XP(g)
- B(k);::S(D),XP(g)
- S(l);::S(D),XP(g)
- Refutation
- P(d);XS(D)
- Try
- S(D);
- Threat
- S(D),XQ(i)
- Vars
- K(e);P-FLIGHT::QAR(A)+S(D),XP(b)
- P(f);OGATE,XS(D)::QAB1(A),XP(f)
- Q(i);SBLOCK::B(G)+R(E),DCHECK
- Q(i);P_PINR(C),SBLOCK::B(G)+R(E)
- Q(i);N_GUARD::S(D),XP(b)
- Refutation
- P(h);
- Try
- S(D);
- Threat
- DUALS(4)
- Refutation
- B(k);XS(D)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- P(h);::QAB(A)
- Q(i);::B(G)+R(E),XP(g)
- Refutation
- R(n);XS(D)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(n);::S(F),XP(g)
- B(k);::S(F),XP(g)
- S(l);::S(F),XP(g)
- Refutation
- P(d);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(n);::S(F),XP(g)
- B(k);::S(F),XP(g)
- S(l);::S(F),XP(g)
- Refutation
- R(n);XS(F)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- Q(i);::B(G)+R(E)
- S(l);::S(F),XQ(i)
- Refutation
- R(n);XS(F)
- Try
- R(C);CHECK
- Vars
- Q(i);SBLOCK,XR(C)::QAB1(A),XP(h)
- Refutation
- K(e);P-FLIGHT,XR(C)
- Try
- Q(A);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(A)
- Q(i);N_GUARD,P_SPINQ(i)::QAR1(A),XQ(i)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(A);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(A)
- Q(i);N_GUARD,P_SPINQ(i)::QAR1(A),XQ(i)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(A)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- S(F);
- Threat
- S(F),XQ(i)
- Vars
- K(e);P-FLIGHT::R(C)+S(F),XQ(i)
- K(e);P-FLIGHT::QAR(A)+S(F),XP(b)
- P(f);OGATE,XS(F)::QAB1(A),XP(f)
- Q(i);SBLOCK::B(G)+R(E),XP(h)
- Q(i);P_PINR(C),SBLOCK::B(G)+R(E),DCHECK
- Q(i);N_GUARD::S(F),XP(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).