MESON Chess Problem Database
Problem Display
PID: 250675 (Qb3K2/1R2N1B1/1P1pkN1p/4p2P/1n6/8/6B1/5Rn1 w - - 0 1)
Golubenko, Vladimir Aleksandrovich
Computer Test FIDE Albums, 1993
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Ba7
- 2.Qc8#
- 1...Bc7
- 2.Qc8#
- 1...Se2
- 2.Bh3#
- 1...Sf3
- 2.Bh3#
- 1...Sh3
- 2.Bxh3#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sc6
- 2.Bd5#
- 1...Ba7
- Tries
- 1.Se4?
- threat
- 2.Rf6#
- 1...Bc7
- 2.Qc8#
- 1...Sf3
- 2.Bh3#
- 1...Sd5!
- threat
- 1.Sg4?
- threat
- 2.Rf6#
- 1...Bc7
- 2.Qc8#
- 1...Sd5
- 2.Bxd5#
- 1...Sf3!
- threat
- 1.Sd7?
- threat
- 2.Rf6#
- 1...Sf3
- 2.Bh3#
- 1...Sd5
- 2.Bxd5#
- 1...Bc7!
- threat
- 1.Sh7?
- threat
- 2.Rf6#
- 1...Bc7
- 2.Qc8#
- 1...Sf3
- 2.Bh3#
- 1...Sd5
- 2.Bxd5#
- 1...e4!
- threat
- 1.Se8?
- threat
- 2.Rf6#
- 1...Bc7
- 2.Qc8#
- 1...Sf3
- 2.Bh3#
- 1...Sd5
- 2.Bxd5#
- 1...e4!
- threat
- 1.Sfg8?
- threat
- 2.Rf6#
- 1...Bc7
- 2.Qc8#
- 1...Sf3
- 2.Bh3#
- 1...Sd5
- 2.Bxd5#
- 1...e4!
- threat
- 1.Sed5?
- threat
- 2.Re7#
- 1...Sxd5
- 2.Bxd5#
- 1...Sf3
- 2.Bh3#
- 1...Bc7
- 2.Sxc7#
- 2.Qc8#
- 2.Qe8#
- 1...Sc6!
- threat
- 1.Sf5?
- threat
- 2.Re7#
- 1...Bc7
- 2.Qc8#
- 2.Qe8#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...Sf3!
- threat
- 1.Sc6?
- threat
- 2.Sd8#
- 2.Re7#
- 1...Sxc6
- 2.Bd5#
- 1...Sf3
- 2.Bh3#
- 1...e4
- 2.Re7#
- 1...Bc7
- 2.Qc8#
- 2.Qe8#
- 1...Sd5
- 2.Sd8#
- 2.Bxd5#
- 1...d5!
- threat
- 1.Sg6?
- threat
- 2.Re7#
- 1...Sf3
- 2.Bh3#
- 1...Bc7
- 2.Qc8#
- 2.Qe8#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- threat
- 1.Sc8?
- threat
- 2.Re7#
- 1...Sf3
- 2.Bh3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...Bc7!
- threat
- 1.Seg8?
- threat
- 2.Re7#
- 1...Sf3
- 2.Bh3#
- 1...Bc7
- 2.Qc8#
- 2.Qe8#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- threat
- 1.Re1?
- 1...e4
- 2.Rxe4#
- 1...Ba7
- 2.Qc8#
- 1...Bc7
- 2.Qc8#
- 1...Se2
- 2.Bh3#
- 1...Sf3
- 2.Bh3#
- 1...Sh3
- 2.Bxh3#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- 1...e4
- 1.Ra7?
- 1...Bxa7
- 2.Qc8#
- 1...e4
- 2.Qxe4#
- 1...Bc7
- 2.Qc8#
- 1...Se2
- 2.Bh3#
- 1...Sf3
- 2.Bh3#
- 1...Sh3
- 2.Bxh3#
- 1...Sa2
- 2.Bd5#
- 2.Qd5#
- 1...Sc2
- 2.Bd5#
- 2.Qd5#
- 1...Sd3
- 2.Bd5#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sa6
- 2.Bd5#
- 2.Qd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- 1...Bxa7
- 1.Rc7?
- 1...Bxc7
- 2.Qc8#
- 1...e4
- 2.Qxe4#
- 1...Ba7
- 2.Qc8#
- 1...Se2
- 2.Bh3#
- 1...Sf3
- 2.Bh3#
- 1...Sh3
- 2.Bxh3#
- 1...Sa2
- 2.Bd5#
- 2.Qd5#
- 1...Sc2
- 2.Bd5#
- 2.Qd5#
- 1...Sd3
- 2.Bd5#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sa6
- 2.Bd5#
- 2.Qd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- 1...Bxc7
- 1.Rxb8?
- 1...e4
- 2.Qxe4#
- 1...Se2
- 2.Bh3#
- 1...Sf3
- 2.Bh3#
- 1...Sh3
- 2.Bxh3#
- 1...Sa2
- 2.Bd5#
- 2.Qd5#
- 1...Sc2
- 2.Bd5#
- 2.Qd5#
- 1...Sd3
- 2.Bd5#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sa6
- 2.Bd5#
- 2.Qd5#
- 1...Sc6
- 2.Bd5#
- 1...d5!
- 1...e4
- 1.Qa2+?
- 1...Sxa2
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...d5!
- 1...Sxa2
- 1.Qa4?
- threat
- 2.Qd7#
- 1...Sc6
- 2.Bd5#
- 2.Qg4#
- 1...e4!
- threat
- 1.Se4?
- Keys
- 1.Sfd5!
- threat
- 2.Rf6#
- 1...Sxd5
- 2.Bxd5#
- 1...Bc7
- 2.Qc8#
- 1...Sf3
- 2.Bh3#
- 1...e4
- 2.Sf4#
- threat
- 1.Sfd5!
This is a version of 38173
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(b);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Tries
- Try
- S(E);
- Threat
- R1(A)
- Vars
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- B(g);OGATE::QAB(I)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- B(g);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- P(c);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- P(c);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- P(c);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(b);OGATE,XS(G)::B(B),XS(b)
- S(a);N_GUARD::B(B)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(b);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::B(B)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XS(G)::B(B)
- S(a);N_GUARD::B(B)
- P(c);::R1(F)
- Refutation
- P(d);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::B(B)
- Refutation
- P(d);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::B(B)
- Refutation
- B(g);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(a);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::B(B)
- Refutation
- P(d);
- Try
- R(A);P_PINP(c)
- Vars
- P(c);OGATEB::R(A),XP(c)
- B(g);OGATE::QAB(I)
- S(a);N_GUARD,N_SPINP(c)::B(B)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(b);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(g);OGATE,XR(F)::QAB(I)
- P(c);OGATEB::QAR2(I),XP(c)
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(b);N_GUARD::B(B)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(g);OGATE,XR(F)::QAB(I)
- P(c);OGATEB::QAR2(I),XP(c)
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(b);N_GUARD::B(B)
- Refutation
- P(d);
- Try
- R(F);XB(g)
- Vars
- P(c);OGATEB::QAR2(I),XP(c)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(b);N_GUARD::B(B)
- Refutation
- P(d);
- Try
- Q(I);CHECK
- Vars
- S(b);N_GUARD,XQ(I)::B(B)
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(I);
- Threat
- QAB1(I)
- Refutation
- P(c);
- Try
- Actual
- S(E);
- Threat
- R1(A)
- Vars
- S(b);OGATE,XS(E)::B(B),XS(b)
- B(g);OGATE::QAB(I)
- S(a);N_GUARD::B(B)
- P(c);N_GUARD::S(E)
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).