MESON Chess Problem Database
Problem Display
PID: 38177 (2q5/4B3/6N1/2R3pr/5Nk1/3BRbp1/3K1P2/Q7 w - - 0 1)
Kopaev, Viacheslav Georgievich
1st HM., Shakhmaty v SSSR, 1984
#2
9 + 6
| 3748 | FIDE Album (1983-1985) | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Bxf5#
- 1...Qa6
- 2.Bf5#
- 1...Qb7
- 2.Bf5#
- 1...Qc6
- 2.Bf5#
- 1...Qc7
- 2.Bf5#
- 1...Qa8
- 2.Bf5#
- 1...Qb8
- 2.Bf5#
- 1...Qe8
- 2.Bf5#
- 1...Qg8
- 2.Bf5#
- 1...Qh8
- 2.Bf5#
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...Rh6
- 2.Rxg5#
- 1...Rh7
- 2.Rxg5#
- 1...Rh8
- 2.Rxg5#
- 1...Bd1
- 2.Rxg3#
- 2.Qxd1#
- 1...Bh1
- 2.Rxg3#
- 1...Be2
- 2.Bxe2#
- 2.Rxg3#
- 1...Bg2
- 2.Rxg3#
- 1...Be4
- 2.Rxg3#
- 1...Bd5
- 2.Rxg3#
- 1...Bc6
- 2.Rxg3#
- 1...Bb7
- 2.Rxg3#
- 1...Ba8
- 2.Rxg3#
- 1...Qf5
- Tries
- 1.Se5+?
- 1...Kxf4
- 2.Rxf3#
- 1...Kh4!
- 1...Kxf4
- 1.Qh8?
- threat
- 2.Qxh5#
- 2.Qxc8#
- 1...Qxc5
- 2.Qxh5#
- 1...Qxh8
- 2.Bf5#
- 1...Rxh8
- 2.Rxg5#
- 1...gxf4
- 2.Qxh5#
- 1...Qf5
- 2.Bxf5#
- 2.Qxh5#
- 1...Qa6
- 2.Bf5#
- 2.Qxh5#
- 1...Qe6
- 2.Qxh5#
- 1...Qb7
- 2.Bf5#
- 2.Qxh5#
- 1...Qd7
- 2.Qxh5#
- 1...Qc6
- 2.Bf5#
- 2.Qxh5#
- 1...Qc7
- 2.Bf5#
- 2.Qxh5#
- 1...Qa8
- 2.Bf5#
- 2.Qxh5#
- 1...Qb8
- 2.Bf5#
- 2.Qxh5#
- 1...Qd8
- 2.Qxh5#
- 1...Qe8
- 2.Bf5#
- 2.Qxh5#
- 1...Qf8
- 2.Qxh5#
- 1...Qg8
- 2.Bf5#
- 2.Qxh5#
- 1...Rh1
- 2.Rxg5#
- 2.Qxc8#
- 1...Rh2
- 2.Rxg5#
- 2.Qxc8#
- 1...Rh3
- 2.Rxg5#
- 2.Qxh3#
- 2.Qxc8#
- 1...Rh4
- 2.Rxg5#
- 2.Qxc8#
- 1...Rh6
- 2.Rxg5#
- 2.Qxc8#
- 1...Rh7
- 2.Rxg5#
- 2.Qxc8#
- 1...Be4
- 2.Rxg3#
- 2.Qxh5#
- 1...Bd5
- 2.Rxg3#
- 2.Qxh5#
- 1...Bc6
- 2.Rxg3#
- 2.Qxh5#
- 1...Bb7
- 2.Rxg3#
- 2.Qxh5#
- 1...gxf2!
- threat
- 1.Qd1?
- threat
- 2.Qxf3#
- 1...Bxd1
- 2.Rxg3#
- 1...Qb7
- 2.Bf5#
- 1...Qc6
- 2.Bf5#
- 1...Qa8
- 2.Bf5#
- 1...Be2
- 2.Bxe2#
- 2.Rxg3#
- 2.Qxe2#
- 1...gxf4!
- threat
- 1.Qa8?
- threat
- 2.Qxf3#
- 2.Qxc8#
- 1...Qxc5
- 2.Qxf3#
- 1...Qxa8
- 2.Bf5#
- 1...Bxa8
- 2.Rxg3#
- 1...gxf2
- 2.Qxf3#
- 1...Qf5
- 2.Bxf5#
- 2.Qxf3#
- 1...Qa6
- 2.Bf5#
- 2.Qxf3#
- 1...Qe6
- 2.Qxf3#
- 1...Qb7
- 2.Bf5#
- 1...Qd7
- 2.Qxf3#
- 1...Qc6
- 2.Bf5#
- 1...Qc7
- 2.Bf5#
- 2.Qxf3#
- 1...Qb8
- 2.Bf5#
- 2.Qxf3#
- 1...Qd8
- 2.Qxf3#
- 1...Qe8
- 2.Bf5#
- 2.Qxf3#
- 1...Qf8
- 2.Qxf3#
- 1...Qg8
- 2.Bf5#
- 2.Qxf3#
- 1...Qh8
- 2.Bf5#
- 2.Qxf3#
- 1...Rh8
- 2.Rxg5#
- 2.Qxf3#
- 1...Bd1
- 2.Rxg3#
- 2.Qxc8#
- 1...Bh1
- 2.Rxg3#
- 2.Qxc8#
- 1...Be2
- 2.Bxe2#
- 2.Rxg3#
- 2.Qxc8#
- 1...Bg2
- 2.Rxg3#
- 2.Qxc8#
- 1...Be4
- 2.Rxg3#
- 1...Bd5
- 2.Rxg3#
- 1...Bc6
- 2.Rxg3#
- 1...Bb7
- 2.Rxg3#
- 1...gxf4!
- threat
- 1.Se5+?
- Keys
- 1.Qh1!
- threat
- 2.Qxf3#
- 2.Qxh5#
- 1...Rxh1
- 2.Rxg5#
- 1...Bxh1
- 2.Rxg3#
- 1...gxf2
- 2.Qxf3#
- 1...gxf4
- 2.Qxh5#
- 1...Qb7
- 2.Bf5#
- 2.Qxh5#
- 1...Qc6
- 2.Bf5#
- 2.Qxh5#
- 1...Qa8
- 2.Bf5#
- 2.Qxh5#
- 1...Qh8
- 2.Bf5#
- 2.Qxf3#
- 1...Rh2
- 2.Rxg5#
- 2.Qxf3#
- 1...Rh3
- 2.Rxg5#
- 2.Qxf3#
- 2.Qxh3#
- 1...Rh4
- 2.Rxg5#
- 2.Qxf3#
- 1...Rh6
- 2.Rxg5#
- 2.Qxf3#
- 1...Rh7
- 2.Rxg5#
- 2.Qxf3#
- 1...Rh8
- 2.Rxg5#
- 2.Qxf3#
- 1...Bd1
- 2.Rxg3#
- 2.Qxd1#
- 2.Qxh5#
- 1...Be2
- 2.Bxe2#
- 2.Rxg3#
- 2.Qxh5#
- 1...Bg2
- 2.Rxg3#
- 2.Qxh5#
- 1...Be4
- 2.Rxg3#
- 2.Qxh5#
- 1...Bd5
- 2.Rxg3#
- 2.Qxh5#
- 1...Bc6
- 2.Rxg3#
- 2.Qxh5#
- 1...Bb7
- 2.Rxg3#
- 2.Qxh5#
- 1...Ba8
- 2.Rxg3#
- 2.Qxh5#
- 1...g2
- 2.Qxh5#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 22
- Sets
- Q(f);N_GUARD::B(D),XQ(f)
- Q(f);N_GUARD::B(D)
- R(e);N_GUARD::R1(G),XP(d)
- R(e);N_GUARD,P_PINP(C)::R1(G),XP(d)
- B(a);OGATE::R1(E),XP(b)
- Tries
- Try
- S(H);CHECK
- Vars
- K(c);P-FLIGHT,XS(F)::R1(E),XB(a)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(f);XR(G)::QAB1(A),XR(e)
- Q(f);N_GUARD,XQ(A)::B(D)
- R(e);N_GUARD,XQ(A)::R1(G),XP(d)
- P(d);XS(F)::QAB1(A),XR(e)
- Q(f);::QAB1(A),XR(e)
- Q(f);P_PINB(D)::QAB1(A),XR(e)
- Refutation
- P(b);XP(C)
- Try
- Q(A);P_PINB(a)
- Threat
- QAB1(A),XB(a)
- Vars
- B(a);N_SPINB(a),OGATE,XQ(A)::R1(E),XP(b)
- Q(f);N_GUARD::B(D)
- Refutation
- P(d);XS(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(f);XR(G)::QAB1(A),XB(a)
- Q(f);N_GUARD,XQ(A)::B(D)
- B(a);OGATE,XQ(A)::R1(E),XP(b)
- P(b);XP(C)::QAB1(A),XB(a)
- Q(f);::QAB1(A),XB(a)
- Q(f);N_GUARD::B(D)
- Q(f);P_PINB(D)::QAB1(A),XB(a)
- B(a);OGATE::R1(E),XP(b)
- Refutation
- P(d);XS(F)
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,XQ(A)::R1(G),XP(d)
- B(a);OGATE,XQ(A)::R1(E),XP(b)
- P(b);XP(C)::QAB1(A),XB(a)
- P(d);XS(F)::QAB1(A),XR(e)
- P(b);::QAB1(A),XR(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).