MESON Chess Problem Database
Problem Display
PID: 41184 (3KBB2/pb6/1p1RR3/r1kNp3/2p5/4P3/5Q2/5r2 w - - 0 1)
Lukyanov, Valentin Volodimirovich
Shakhmaty v SSSR, 1983
#2
8 + 8
| 3748 | FIDE Album (1983-1985) | 1992 |
| 56 | The Problemist | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rfa1
- 2.e4#
- 1...Rb1
- 2.e4#
- 1...Rc1
- 2.e4#
- 1...Rg1
- 2.e4#
- 1...Rh1
- 2.e4#
- 1...Rb5
- 2.Rd7#
- 1...Bxd5
- 2.Rxb6#
- 1...b5
- 2.Rd7#
- 1...Rfa1
- Tries
- 1.Sc3?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd7#
- 1...Rxf2
- 2.Rd5#
- 2.Rc6#
- 1...Rd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd7#
- 1...Bc6
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxc6#
- 2.Rd7#
- 1...b5
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd7#
- 1...Kb4!
- threat
- 1.Sb4?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxb6#
- 1...Rxf2
- 2.Rd5#
- 1...Bc6
- 2.Rd5#
- 1...c3
- 2.Rd4#
- 1...Rd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 2.Rxb6#
- 1...b5
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd7#
- 1...Kxb4!
- threat
- 1.Sf4?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxb6#
- 1...exf4
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 1...Bc6
- 2.Rd5#
- 1...c3
- 2.Rd4#
- 1...Rd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 2.Rxb6#
- 1...b5
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd7#
- 1...Kb4!
- threat
- 1.Sf6?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxb6#
- 1...Bc6
- 2.Rd5#
- 1...c3
- 2.Rd4#
- 1...Rd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 2.Rxb6#
- 1...b5
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd7#
- 1...Kb4!
- threat
- 1.Sc7?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd7#
- 1...Rxf2
- 2.Rd5#
- 2.Rc6#
- 1...c3
- 2.Rd4#
- 2.Rc6#
- 1...Rd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd7#
- 1...Bc6
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rxc6#
- 2.Rd7#
- 1...b5
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd7#
- 1...Kb4!
- threat
- 1.Rc6+?
- 1...Kb5
- 2.Rxb6#
- 1...Kxd5!
- 1...Kb5
- 1.Qd2?
- threat
- 2.Qb4#
- 1...Bxd5
- 2.Rxd5#
- 1...c3
- 2.Qxc3#
- 1...Rb1
- 2.Rxb6#
- 1...Rb5
- 2.Rc6#
- 1...Ra4!
- threat
- 1.Sc3?
- Keys
- 1.Qb2!
- threat
- 2.Qb4#
- 1...Bxd5
- 2.Rc6#
- 1...Rb1
- 2.Rd7#
- 1...Ra4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::QAB(A)+P(B)
- R(c);SBLOCK::B(H)+R(D)
- B(h);SBLOCK,XS(C)::B(H)+R(D),XP(f)
- P(f);SBLOCK::B(H)+R(D)
- Tries
- Try
- S(C);
- Threat
- DUALS(8)
- Refutation
- K(d);S_FLIGHT
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- R(a);XQ(A)::B(H)+R(D),DCHECK
- B(h);::B(H)+R(D),DCHECK
- P(b);::B(H)+R(D)
- Refutation
- K(d);S_FLIGHT,XS(C)
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- B(h);::B(H)+R(D),DCHECK
- P(b);::B(H)+R(D)
- Refutation
- K(d);S_FLIGHT
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- B(h);::B(H)+R(D),DCHECK
- P(b);::B(H)+R(D)
- Refutation
- K(d);S_FLIGHT
- Try
- S(C);
- Threat
- DUALS(8)
- Refutation
- K(d);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- K(d);P-FLIGHT::B(G)+R(D),DCHECK,XP(f)
- Refutation
- K(d);P-FLIGHT,XS(C)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(h);OGATE,XS(C)::B(H)+R(D),DCHECK,XB(h)
- P(b);OGATEB::QAR2(A),XP(b)
- R(a);N_GUARD::B(H)+R(D),XP(f)
- R(c);SBLOCK::B(H)+R(D),DCHECK
- Refutation
- R(c);
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(h);SBLOCK,XS(C)::B(H)+R(D),DCHECK
- R(a);N_GUARD::B(H)+R(D)
- R(c);N_GUARD::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
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