MESON Chess Problem Database
Problem Display
PID: 36271 (Q1R1K3/1Np5/P4N2/Bk2p3/7R/p7/n1P5/7B w - - 0 1)
Fokin, Yuri Georgievich
Sushkov, Yuri Akimovich
1st Prize, Shakhmaty v SSSR, 1975
#2
10 + 5
| 3771 | FIDE Album (1974-1976) | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...Sc1
- Tries
- 1.Kd7?
- threat
- 2.Bc6#
- 1...Sb4
- 2.Rxb4#
- 1...c6
- 2.Bxc6#
- 1...e4!
- threat
- 1.Ke7?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Kf7?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Kd8?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Kf8?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Sh5?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Sd7?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Sh7?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Sg8?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Bg2?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bf1#
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Bf3?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Be2#
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Bd5?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Ra4?
- 1...Kxa4
- 2.Bc6#
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Kxa4
- 1.Re4?
- 1...Kc6
- 2.Rxe5#
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Rxc5#
- 1...c6!
- 1...Kc6
- 1.Rg4?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sb4
- 1.Rxc7?
- threat
- 2.Bc6#
- 2.Rc5#
- 1...Sb4
- 2.Rxb4#
- 1...e4!
- threat
- 1.Qa7?
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 2.Qb6#
- 1...c6
- 2.Bxc6#
- 2.Qb6#
- 1...e4!
- 1...Sb4
- 1.c3?
- 1...Sxc3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sc1
- 2.Rb4#
- 1...c5
- 2.Bc6#
- 2.Rxc5#
- 1...c6
- 2.Bxc6#
- 1...e4!
- 1...Sxc3
- 1.Kd7?
- Keys
- 1.Se4!
- 1...Ka4
- 2.Sc3#
- 1...Kc4
- 2.Sed6#
- 1...Kc6
- 2.Sbd6#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...c5
- 2.Sed6#
- 1...c6
- 2.Sed6#
- 1...Ka4
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(e);::B(A),XP(e)
- Tries
- Try
- K(J);S_FLIGHT
- Threat
- B(A)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- S(F);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- S(F);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- S(F);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- S(F);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- K(c);S_FLIGHT,XR(C)::B(A)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- K(c);P_SPINP(e),S_FLIGHT::B(A)+R(C),XP(d)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);OGATE::R1(I),XP(e)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- R(I);XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- P(d);
- Try
- Q(H);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(d);
- Try
- P(B);
- Vars
- S(a);N_GUARD,XP(B)::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(e);::B(A),XP(e)
- Refutation
- P(d);
- Try
- Actual
- S(F);
- Vars
- K(c);S_FLIGHT::R(C)+S(F),DCHECK
- K(c);P_SPINP(e),S_FLIGHT::R(C)+S(F),DCHECK
- K(c);P_SPINP(e),S_FLIGHT::QAB(H)+S(G)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);N_GUARD::S(F)
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