MESON Chess Problem Database
Problem Display
PID: 191600 (8/3n2B1/q7/2PP1N1Q/5k2/2n3N1/3P4/4R2K w - - 0 1)
Lobusov, Andrey Jakovlevic
1st Prize, Mat, 1981
#2
9 + 4
| 16307 | Rozmaitosci Szachowe | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qf1+
- 2.Rxf1#
- 1...Qd3
- 2.Bh6#
- 1...Qc4
- 2.Bh6#
- 1...Qb5
- 2.Bh6#
- 1...Qb7
- 2.Bh6#
- 2.Rf1#
- 1...Qc8
- 2.Bh6#
- 2.Rf1#
- 1...Qa1
- 2.Bh6#
- 1...Qa2
- 2.Bh6#
- 2.Rf1#
- 1...Qa3
- 2.Bh6#
- 2.Rf1#
- 1...Qa4
- 2.Bh6#
- 2.Rf1#
- 1...Qa5
- 2.Bh6#
- 2.Rf1#
- 1...Qb6
- 2.Rf1#
- 1...Qc6
- 2.Rf1#
- 1...Qd6
- 2.Rf1#
- 1...Qe6
- 2.Rf1#
- 1...Qg6
- 2.Rf1#
- 1...Qh6
- 2.Bxh6#
- 2.Rf1#
- 1...Qa7
- 2.Bh6#
- 2.Rf1#
- 1...Qa8
- 2.Bh6#
- 2.Rf1#
- 1...Sb1
- 2.Re4#
- 1...Sd1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Rf1#
- 1...Sa4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Rf1#
- 2.Re4#
- 1...Sxd5
- 2.Re4#
- 1...Sxc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 2.Bh6#
- 1...Sf6
- 2.Bh6#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Qf1+
- Tries
- 1.dxc3?
- threat
- 2.Re4#
- 1...Qf1+
- 2.Rxf1#
- 1...Sxc5
- 2.Be5#
- 1...Qd3
- 2.Bh6#
- 1...Qc4
- 2.Bh6#
- 1...Qa1
- 2.Bh6#
- 1...Qa4
- 2.Bh6#
- 2.Rf1#
- 1...Qe6
- 2.Rf1#
- 1...Sf6
- 2.Bh6#
- 1...Qe2!
- threat
- 1.d3?
- threat
- 2.Rf1#
- 1...Qxd3
- 2.Bh6#
- 1...Qa1
- 2.Bh6#
- 1...Qa2
- 2.Bh6#
- 1...Sd1
- 2.Se2#
- 2.Re4#
- 1...Se4
- 2.Se2#
- 2.Rxe4#
- 1...Se5
- 2.Bxe5#
- 1...Sf6
- 2.Bh6#
- 1...Qf6!
- threat
- 1.c6?
- threat
- 2.Bh6#
- 1...Qf1+
- 2.Rxf1#
- 1...Qxc6
- 2.Rf1#
- 1...Se2
- 2.Rf1#
- 1...Se4
- 2.Rxe4#
- 1...Qe2!
- threat
- 1.dxc3?
- Keys
- 1.d4!
- 1...Qf1+
- 2.Rxf1#
- 1...Sxd5
- 2.Re4#
- 1...Sxc5
- 2.Be5#
- 1...Qe2
- 2.Bh6#
- 1...Qd3
- 2.Bh6#
- 1...Qc4
- 2.Bh6#
- 1...Qb5
- 2.Bh6#
- 1...Qb7
- 2.Bh6#
- 2.Rf1#
- 1...Qc8
- 2.Bh6#
- 2.Rf1#
- 1...Qa1
- 2.Bh6#
- 1...Qa2
- 2.Bh6#
- 1...Qa3
- 2.Bh6#
- 2.Rf1#
- 1...Qa4
- 2.Bh6#
- 2.Rf1#
- 1...Qa5
- 2.Bh6#
- 2.Rf1#
- 1...Qb6
- 2.Rf1#
- 1...Qc6
- 2.Rf1#
- 1...Qd6
- 2.Rf1#
- 1...Qe6
- 2.Rf1#
- 1...Qf6
- 2.Rf1#
- 1...Qg6
- 2.Rf1#
- 1...Qh6
- 2.Bxh6#
- 2.Rf1#
- 1...Qa7
- 2.Bh6#
- 2.Rf1#
- 1...Qa8
- 2.Bh6#
- 2.Rf1#
- 1...Sb1
- 2.Re4#
- 1...Sd1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Rf1#
- 1...Sa4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Rf1#
- 2.Re4#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 2.Bh6#
- 1...Sf6
- 2.Bh6#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Qf1+
- 1.d4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,N_GUARD::R(A),XQ(c)
- Q(c);N_GUARD::B(I)
- Q(c);N_GUARD,P_PINR(A)::B(I)
- Q(c);N_GUARD::R(A)
- Q(c);N_GUARD,P_PINP(F)::R(A)
- S(a);N_GUARD::R1(A)
- S(a);S_CUTQ(c)::R(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(a);N_GUARD,XP(F)::R1(A)
- S(d);N_GUARD,XP(E)::B(I)
- S(d);N_GUARD::B(I),XS(d)
- S(d);S_CUTQ(c)::B(I)
- S(d);N_GUARD::B(I)
- Tries
- Try
- P(C);XS(a)
- Threat
- R1(A)
- Vars
- Q(c);CHECK,N_GUARD::R(A),XQ(c)
- S(d);N_GUARD,XP(E)::B(I)
- Q(c);N_GUARD::B(I)
- Q(c);N_GUARD,P_PINR(A)::B(I)
- Q(c);N_GUARD::R(A)
- S(d);S_CUTQ(c)::B(I)
- Refutation
- Q(c);
- Try
- P(C);
- Threat
- R(A)
- Vars
- Q(c);N_GUARD,XP(C)::B(I)
- Q(c);N_GUARD,P_PINR(A)::B(I)
- Q(c);N_GUARD::B(I)
- S(d);N_GUARD::B(I),XS(d)
- S(d);S_CUTQ(c)::B(I)
- Refutation
- Q(c);
- Try
- P(E);
- Threat
- B(I)
- Vars
- Q(c);CHECK,N_GUARD::R(A),XQ(c)
- Q(c);N_GUARD,P_PINP(F),XP(E)::R(A)
- S(a);S_CUTQ(c)::R(A)
- S(a);N_GUARD::R1(A),XS(a)
- Refutation
- Q(c);
- Try
- Actual
- P(C);
- Vars
- Q(c);CHECK,N_GUARD::R(A),XQ(c)
- S(a);N_GUARD,XP(F)::R1(A)
- S(d);N_GUARD,XP(E)::B(I)
- Q(c);N_GUARD::B(I)
- Q(c);N_GUARD,P_PINR(A)::B(I)
- Q(c);N_GUARD::R(A)
- Q(c);N_GUARD,P_PINP(F)::R(A)
- S(a);N_GUARD::R1(A)
- S(a);S_CUTQ(c)::R(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(d);N_GUARD::B(I),XS(d)
- S(d);S_CUTQ(c)::B(I)
- S(d);N_GUARD::B(I)
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).