MESON Chess Problem Database
Problem Display
PID: 67159 (1Bn2K2/1N3ppB/r3kN2/qpQ5/p2p4/b7/8/5R2 w - - 0 1)
Golubenko, Vladimir Aleksandrovich
Sinfonie Scacchistiche, 1977
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sd8#
- 1...Qd2
- 2.Sd8#
- 1...Qc3
- 2.Sd8#
- 1...Qb4
- 2.Sd8#
- 1...Qd8+
- 2.Sxd8#
- 1...Rb6
- 2.Sd8#
- 1...Rd6
- 2.Qf5#
- 1...Bc1
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 2.Qxc8#
- 1...Bb2
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 2.Qxc8#
- 1...Bxc5+
- 2.Sxc5#
- 1...Sb6
- 2.Sd8#
- 1...Sd6
- 2.Qd5#
- 1...Se7
- 2.Qe5#
- 1...b4
- 2.Qxc8#
- 1...gxf6
- 2.Bf5#
- 1...Qe1
- Tries
- 1.Ke8?
- threat
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 2.Qxc8#
- 1...Qd8+
- 2.Sxd8#
- 1...Bxc5
- 2.Sxc5#
- 1...gxf6
- 2.Bf5#
- 2.Qf5#
- 1...Qe1
- 2.Sd8#
- 2.Qd5#
- 2.Qf5#
- 2.Qxc8#
- 1...Qc3
- 2.Sd8#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Qc7
- 2.Qd5#
- 2.Qf5#
- 1...Rc6
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Sb6
- 2.Sd8#
- 2.Qe5#
- 2.Qf5#
- 1...Sa7
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Se7
- 2.Qe5#
- 1...b4
- 2.Qxc8#
- 1...g6
- 2.Qd5#
- 2.Qe5#
- 2.Qxc8#
- 1...Sd6+!
- threat
- 1.Be4?
- threat
- 2.Bd5#
- 1...Qd8+
- 2.Sxd8#
- 1...Bxc5+
- 2.Sxc5#
- 1...gxf6
- 2.Bf5#
- 1...Rd6
- 2.Qf5#
- 1...Sb6
- 2.Sd8#
- 1...Sd6
- 2.Qd5#
- 1...Se7
- 2.Qe5#
- 1...Qc7!
- threat
- 1.Bd6?
- threat
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 2.Qxc8#
- 1...Qd8+
- 2.Sxd8#
- 1...Rxd6
- 2.Qf5#
- 1...Sxd6
- 2.Qd5#
- 1...gxf6
- 2.Bf5#
- 2.Qf5#
- 1...Qc7
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Qe1
- 2.Sd8#
- 2.Qd5#
- 2.Qf5#
- 2.Qxc8#
- 1...Qc3
- 2.Sd8#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Rc6
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Ra8
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sb6
- 2.Sd8#
- 2.Qe5#
- 2.Qf5#
- 1...Sa7
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Se7
- 2.Qe5#
- 1...b4
- 2.Qxc8#
- 1...g6
- 2.Qd5#
- 2.Qe5#
- 2.Qxc8#
- 1...Bxc5!
- threat
- 1.Bc7?
- threat
- 2.Sd8#
- 1...Bxc5+
- 2.Sxc5#
- 1...gxf6
- 2.Bf5#
- 1...Rd6
- 2.Qf5#
- 1...Qxc7!
- threat
- 1.Ke8?
- Keys
- 1.Bb1!
- threat
- 2.Ba2#
- 1...Qd8+
- 2.Sxd8#
- 1...Bxc5+
- 2.Sxc5#
- 1...gxf6
- 2.Bf5#
- 1...Qd2
- 2.Sd8#
- 1...Qc3
- 2.Sd8#
- 1...Qb4
- 2.Sd8#
- 1...Rd6
- 2.Qf5#
- 1...Sb6
- 2.Sd8#
- 1...Sd6
- 2.Qd5#
- 1...Se7
- 2.Qe5#
- 1...b4
- 2.Qxc8#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(d);N_GUARD::S(D)
- Q(d);CHECK,N_GUARD::S(D),XQ(d)
- R(f);S_CUTQ(d)::S(D)
- R(f);N_PINQ(B)::QAB1(B)
- B(a);CHECK,XQ(B)::S(D),XB(a)
- S(j);S_CUTQ(d)::S(D)
- S(j);N_PINQ(B)::QAB1(B)
- S(j);N_PINQ(B)::QAR1(B)
- P(e);N_PINQ(B)::QAB(B),XS(j)
- P(i);SBLOCK,XS(C)::B(E)
- Tries
- Try
- K(G);N_SPINQ(B),P-FLIGHT
- Threat
- DUALS(4)
- Vars
- Q(d);CHECK,N_GUARD::S(D),XQ(d)
- B(a);XQ(B)::S(D),XB(a)
- R(f);::QAB1(B)
- S(j);::QAR1(B)
- P(e);::QAB(B),XS(j)
- Refutation
- S(j);CHECK
- Try
- B(E);
- Threat
- B(E)
- Vars
- Q(d);CHECK,N_GUARD::S(D),XQ(d)
- B(a);CHECK,XQ(B)::S(D),XB(a)
- P(i);SBLOCK,XS(C)::B(E)
- R(f);N_PINQ(B)::QAB1(B)
- S(j);S_CUTQ(d)::S(D)
- S(j);N_PINQ(B)::QAB1(B)
- S(j);N_PINQ(B)::QAR1(B)
- Refutation
- Q(d);
- Try
- B(F);N_SPINQ(B)
- Threat
- DUALS(4)
- Vars
- Q(d);CHECK,N_GUARD::S(D),XQ(d)
- R(f);XB(F)::QAB1(B)
- S(j);XB(F)::QAB1(B)
- S(j);::QAR1(B)
- P(e);::QAB(B),XS(j)
- Refutation
- B(a);P_PINB(F),XQ(B)
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);CHECK,XQ(B)::S(D),XB(a)
- P(i);SBLOCK,XS(C)::B(E)
- R(f);N_PINQ(B)::QAB1(B)
- Refutation
- Q(d);XB(F)
- Try
- Actual
- B(E);
- Threat
- B(E)
- Vars
- Q(d);CHECK,N_GUARD::S(D),XQ(d)
- B(a);CHECK,XQ(B)::S(D),XB(a)
- P(i);SBLOCK,XS(C)::B(E)
- Q(d);N_GUARD::S(D)
- R(f);N_PINQ(B)::QAB1(B)
- S(j);S_CUTQ(d)::S(D)
- S(j);N_PINQ(B)::QAB1(B)
- S(j);N_PINQ(B)::QAR1(B)
- P(e);N_PINQ(B)::QAB(B),XS(j)
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).