MESON Chess Problem Database
Problem Display
PID: 158002 (n3R3/3Q2K1/1p1p3n/3p4/1B1kP2N/8/B1P1b3/q2N4 w - - 0 1)
Amirov, Talip Khasanovich
Probleemblad, 1973
#2
9 + 8
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bc4
- 2.Sf3#
- 1...Bb5
- 2.Sf3#
- 1...Ba6
- 2.Sf3#
- 1...Sg4
- 2.Sf5#
- 1...Sf5+
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...dxe4
- 2.Qxd6#
- 1...Bf1
- Tries
- 1.Qb5?
- threat
- 2.Qxd5#
- 1...Sf5+
- 2.Sxf5#
- 1...Qxa2
- 2.Bc3#
- 2.c3#
- 1...Bxd1
- 2.Qd3#
- 1...Bxb5
- 2.Sf3#
- 1...dxe4
- 2.Qd5#
- 1...Bc4
- 2.Sf3#
- 1...Sc7
- 2.Qxb6#
- 1...Qxd1!
- threat
- 1.Qf5?
- threat
- 2.Qf2#
- 2.Qxd5#
- 2.Qf6#
- 1...Sxf5+
- 2.Sxf5#
- 1...Qxd1
- 2.Qf2#
- 1...Bxd1
- 2.Qf2#
- 1...dxe4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 2.Qf6#
- 1...Qc3
- 2.Qxd5#
- 2.Qf6#
- 1...Qc1
- 2.Qxd5#
- 2.Qf6#
- 1...Bf3
- 2.Sxf3#
- 2.Qxd5#
- 2.Qf6#
- 1...Bc4
- 2.Sf3#
- 2.Qf2#
- 2.Qf6#
- 1...Sg4
- 2.Qxd5#
- 1...Sf7
- 2.Qf2#
- 2.Qxd5#
- 1...Sg8
- 2.Qf2#
- 2.Qxd5#
- 1...Sc7
- 2.Qf2#
- 2.Qf6#
- 1...Qxa2!
- threat
- 1.Qc6?
- threat
- 2.Qxd5#
- 1...Sf5+
- 2.Sxf5#
- 1...Qxd1
- 2.Qc3#
- 1...Qxa2
- 2.Bc3#
- 2.Qc3#
- 1...dxe4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 2.Qxd6#
- 1...Bc4
- 2.Sf3#
- 1...Sc7
- 2.Qxb6#
- 1...Bxd1!
- threat
- 1.Qf7?
- threat
- 2.Qxd5#
- 2.Qf2#
- 2.Qf6#
- 1...Sf5+
- 2.Sxf5#
- 1...Qxd1
- 2.Qf2#
- 1...Bxd1
- 2.Qf2#
- 1...Sxf7
- 2.Sf5#
- 1...dxe4
- 2.Qd5#
- 2.Qf6#
- 1...Qc3
- 2.Qxd5#
- 2.Qf6#
- 1...Qc1
- 2.Qxd5#
- 2.Qf6#
- 1...Bf3
- 2.Sxf3#
- 2.Qxd5#
- 2.Qf6#
- 1...Bc4
- 2.Sf3#
- 2.Qf2#
- 2.Qf6#
- 1...Sg4
- 2.Sf5#
- 2.Qxd5#
- 1...Sg8
- 2.Sf5#
- 2.Qxd5#
- 2.Qf2#
- 1...Sc7
- 2.Qf2#
- 2.Qf6#
- 1...Qxa2!
- threat
- 1.Qb5?
- Keys
- 1.Qh3!
- threat
- 2.Qe3#
- 1...Sf5+
- 2.Sxf5#
- 1...Qxd1
- 2.Qc3#
- 2.c3#
- 1...Qxa2
- 2.Qc3#
- 1...Bxd1
- 2.Qd3#
- 1...Qc3
- 2.Qxc3#
- 1...Qc1
- 2.Qc3#
- 1...Bf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf5#
- threat
- 1.Qh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- S(g);N_GUARD::S(F)
- S(g);CHECK,N_GUARD::S(F),XS(g)
- P(d);OGATEB,P_SPINP(f),XP(E)::QAR2(G),XP(f)
- Tries
- Try
- Q(G);
- Threat
- QAR1(G),XP(d)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- B(b);N_GUARD,XS(A)::QAR1(G)
- B(b);N_GUARD,XQ(G)::S(F)
- P(d);XP(E)::QAR1(G)
- B(b);N_GUARD::S(F)
- S(h);N_GUARD::QAB(G),XP(e)
- Refutation
- Q(a);XS(A)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK,XQ(G)::S(F),XS(g)
- Q(a);XS(A)::QAB(G)
- B(b);XS(A)::QAB(G)
- S(g);::QAR1(G),XP(d)
- Refutation
- Q(a);XB(B)
- Try
- Q(G);
- Threat
- QAR1(G),XP(d)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_GUARD,XS(A)::QAB1(G)
- B(b);N_GUARD::S(F)
- S(h);N_GUARD::QAB(G),XP(e)
- Refutation
- B(b);XS(A)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);XS(A)::QAB(G)
- B(b);XS(A)::QAB(G)
- S(g);N_GUARD,XQ(G)::S(F)
- Refutation
- Q(a);XB(B)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_GUARD,XB(B)::QAB1(G)
- B(b);N_GUARD,XS(A)::QAR1(G)
- Q(a);N_GUARD::QAB1(G),XQ(a)
- Q(a);N_GUARD::QAB1(G)
- B(b);N_GUARD::S(F),XB(b)
- S(g);N_GUARD::S(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).