MESON Chess Problem Database
Problem Display
PID: 7520 (8/BPR2Bp1/2pk1r2/Np1N1pQn/4R2b/5P2/8/K7 w - - 0 1)
Shanshin, Valery Yurevich
Slesarenko, Anatoly Vasilevich
3rd Prize, The Problemist, 1990
#2
10 + 8
| 4827 | FIDE Album (1989-1991) | 1997 |
| 4849 | The Sushkov Theme | 1999 |
| 133 | The Problemist Supplement | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...b4
- 2.Sc4#
- 1...f4
- 2.Qe5#
- 1...c5
- 2.Bxc5#
- 1...Sg3
- Tries
- 1.Sxf6?
- threat
- 2.Se8#
- 2.Rxc6#
- 2.Rd7#
- 1...Kxc7
- 2.b8Q#
- 1...Sxf6
- 2.Qf4#
- 1...fxe4
- 2.Se8#
- 2.Rd7#
- 1...c5
- 2.Se8#
- 2.Rc6#
- 2.Rd7#
- 1...gxf6!
- threat
- 1.Be6?
- threat
- 2.Rxc6#
- 2.Rd7#
- 1...fxe4
- 2.Rxc6#
- 1...cxd5
- 2.Rd7#
- 1...Rf7
- 2.Rxc6#
- 1...c5
- 2.Bxc5#
- 2.Rc6#
- 2.Rd7#
- 1...Rxe6!
- threat
- 1.Be8?
- threat
- 2.Rd7#
- 1...Kxd5
- 2.Qd2#
- 1...fxe4
- 2.Rxc6#
- 1...Rf7!
- threat
- 1.Re6+?
- 1...Kxd5
- 2.Rd7#
- 2.Qd2#
- 1...Rxe6!
- 1...Kxd5
- 1.Ree7?
- threat
- 2.Rxc6#
- 2.Rcd7#
- 1...Rxf7
- 2.Rcd7#
- 1...cxd5
- 2.Bc5#
- 2.Rcd7#
- 1...c5
- 2.Bxc5#
- 2.Rc6#
- 2.Rcd7#
- 1...Re6!
- threat
- 1.Qc1?
- threat
- 2.Bc5#
- 2.Qc5#
- 2.Qxc6#
- 1...Rxf7
- 2.Qc5#
- 2.Qxc6#
- 1...cxd5
- 2.Qc5#
- 2.Qc6#
- 1...Re6
- 2.Qc5#
- 2.Qxc6#
- 1...Bf2
- 2.Qxc6#
- 1...c5
- 2.Bxc5#
- 2.Qxc5#
- 1...fxe4!
- threat
- 1.Qe3?
- threat
- 2.Bc5#
- 2.Qc5#
- 1...Rxf7
- 2.Qc5#
- 1...cxd5
- 2.Qc5#
- 2.Qb6#
- 1...Re6
- 2.Qc5#
- 1...Bf2
- 2.Bc5#
- 1...c5
- 2.Bxc5#
- 2.Qxc5#
- 1...fxe4!
- threat
- 1.Qxf5?
- threat
- 2.Rxc6#
- 2.Rd7#
- 2.Qd7#
- 2.Qe5#
- 1...Rxf7
- 2.Re6#
- 2.Rxc6#
- 2.Qe6#
- 2.Qe5#
- 1...cxd5
- 2.Rc6#
- 2.Rd7#
- 2.Qd7#
- 2.Qe5#
- 1...Re6
- 2.Rxe6#
- 2.Qxe6#
- 1...Bg3
- 2.Rxc6#
- 2.Rd7#
- 2.Qd7#
- 1...c5
- 2.Bxc5#
- 2.Rc6#
- 2.Rd7#
- 2.Qd7#
- 2.Qe5#
- 1...Rxf5!
- threat
- 1.b8Q?
- threat
- 2.Sb7#
- 2.Rb7#
- 2.Rce7#
- 2.Qd8#
- 2.Qf8#
- 1...cxd5
- 2.Sb7#
- 2.Bc5#
- 2.Rb7#
- 2.Rce7#
- 2.Qb6#
- 2.Qd8#
- 1...Re6
- 2.Qbd8#
- 1...Rxf7!
- threat
- 1.b8S?
- threat
- 2.Sb7#
- 2.Rxc6#
- 2.Rd7#
- 1...cxd5
- 2.Rc6#
- 2.Rd7#
- 1...Re6
- 2.Rd7#
- 1...c5
- 2.Sb7#
- 2.Bxc5#
- 2.Rc6#
- 2.Rd7#
- 1...Rxf7!
- threat
- 1.Sxf6?
- Keys
- 1.Sb6!
- threat
- 2.Rxc6#
- 1...Kc5
- 2.Sc8#
- 1...Kxc7
- 2.b8Q#
- 1...fxe4
- 2.Rd7#
- 1...c5
- 2.Rc6#
- 2.Rd7#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD::QAB(F),XS(d)
- P(b);N_GUARD::S(D)
- P(c);OGATE::QAB1(F)
- P(e);::B(G),XP(e)
- Tries
- Try
- S(E);XR(g)
- Threat
- DUALS(3)
- Vars
- K(f);S_FLIGHT,XR(I)::P=Q
- S(d);N_GUARD,XS(E)::QAB(F)
- Refutation
- P(h);XS(E)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- P(c);XR(C)::R1(I),XP(e)
- P(e);XS(E)::R1(I)
- R(g);::R1(I),XP(e)
- Refutation
- R(g);XB(J)
- Try
- B(J);
- Threat
- R1(I)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINP(c),XS(E)::QAR(F)
- P(c);XR(C)::R1(I),XP(e)
- Refutation
- R(g);
- Try
- R(C);CHECK
- Refutation
- R(g);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(g);XB(J)::R1(I)
- Refutation
- R(g);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(a);::QAR1(F),XP(e)
- Refutation
- P(c);XR(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(g);XB(J)::QAB1(F)
- R(g);::QAB1(F)
- B(a);::B(G)
- Refutation
- P(c);XR(C)
- Try
- Q(F);XP(c)
- Threat
- DUALS(4)
- Refutation
- R(g);XQ(F)
- Try
- P(H);
- Threat
- DUALS(5)
- Vars
- R(g);::QAR2(H)
- Refutation
- R(g);XB(J)
- Try
- P(H);
- Threat
- DUALS(3)
- Vars
- R(g);::R1(I)
- Refutation
- R(g);XB(J)
- Try
- Actual
- S(E);
- Threat
- R1(I),XP(e)
- Vars
- K(f);P_SPINP(c),S_FLIGHT::B(G)+S(E)
- K(f);S_FLIGHT,XR(I)::P=Q
- P(c);XR(C)::R1(I)
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