MESON Chess Problem Database
Problem Display
PID: 50761 (2Bb2K1/6pN/4RNp1/1n1p4/3p3k/rb3R2/3Q1P2/2q4n w - - 0 1)
Rossomakho, Yakov V
1st Prize, Mat, 1989
#2
8 + 11
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Qf4#
- 2.Qg5#
- 1...Qa1
- 2.Qf4#
- 2.Qg5#
- 1...Qb1
- 2.Qf4#
- 2.Qg5#
- 1...Qd1
- 2.Qf4#
- 2.Qg5#
- 1...Qe1
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Qf4#
- 2.Qg5#
- 1...Qc2
- 2.Qf4#
- 2.Qg5#
- 1...Qc3
- 2.Qf4#
- 2.Qg5#
- 1...Qc4
- 2.Qf4#
- 2.Qg5#
- 1...Qc5
- 2.Qf4#
- 2.Qg5#
- 1...Qc6
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Qg5#
- 1...Qxc8
- 2.Qf4#
- 2.Qg5#
- 1...Sxf2
- 2.Qxf2#
- 1...Qb2
- Tries
- 1.Re2?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...gxf6
- 2.Rh3#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Bd1
- 2.Rf4#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Sxf2!
- threat
- 1.Ree3?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 1...Qf1
- 2.Rf4#
- 1...Qg1
- 2.Rh3#
- 1...Qc7
- 2.Rh3#
- 1...Bd1
- 2.Rh3#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Qxc8!
- threat
- 1.Re5?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Sxf2
- 2.Qxf2#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Ra6?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Rb6?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Rc6?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Rd6?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Re7?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Re8?
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qf1
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qg1
- 2.Rh3#
- 1...Qc3
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- 1...Bd1!
- threat
- 1.Qxd4+?
- 1...Qf4
- 2.Qxf4#
- 1...Sxd4!
- 1...Qf4
- 1.Re2?
- Keys
- 1.Re1!
- threat
- 2.Rh3#
- 2.Rf4#
- 1...Qxd2
- 2.Rxh1#
- 2.Rh3#
- 1...Qxc8
- 2.Qg5#
- 1...Bxf6
- 2.Rh3#
- 1...Sxf2
- 2.Qxf2#
- 1...gxf6
- 2.Rh3#
- 1...Qd1
- 2.Rh3#
- 2.Qf4#
- 2.Qg5#
- 1...Qc3
- 2.Rxh1#
- 2.Rf4#
- 2.Qf4#
- 2.Qg5#
- 1...Qc7
- 2.Rh3#
- 2.Qg5#
- 1...Bd1
- 2.Rxh1#
- 1...Ba2
- 2.Rf4#
- 1...Bc2
- 2.Rf4#
- 1...Ba4
- 2.Rf4#
- 1...Bc4
- 2.Rf4#
- 1...Bc7
- 2.Rh3#
- 1...Sg3
- 2.Rf4#
- 2.fxg3#
- 1...g5
- 2.Rh3#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- Q(a);N_GUARD::QAB1(A)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- S(b);XP(B)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- Q(a);::R(C)
- B(d);::R1(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- Q(a);XB(G)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(C)
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- Q(a);::R1(C)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
- Refutation
- B(d);
- Try
- Q(A);CHECK,XP(e)
- Vars
- Q(a);N_GUARD,P_SPINQ(a)::QAR2(A),XQ(a)
- Refutation
- S(g);XQ(A)
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XB(G)::QAB1(A)
- B(k);XS(E)::R1(C)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- P(j);XS(E)::R1(C)
- B(d);S_CUTQ(a)::R(D),XS(b)
- B(d);::R(C)
- B(d);SBLOCK::R(C)
- B(k);::R1(C)
- P(i);::R1(C)
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).