MESON Chess Problem Database
Problem Display
PID: 10333 (3R4/3QB1pn/b1B2p2/r3k3/r5R1/bPP3P1/qP3N1K/8 w - - 0 1)
Rukhlis, Efim Naumovich
Shakhmaty, 1963
#2
11 + 9
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Bd6#
- 1...Rc4
- 2.Sd3#
- 1...Rd4
- 2.cxd4#
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.gxf4#
- 1...Rxg4
- 2.Sxg4#
- 1...Rb5
- 2.Sd3#
- 1...Rc5
- 2.Bd6#
- 1...Rd5
- 2.Qxd5#
- 1...Bxb2
- 2.Bd6#
- 1...Bb4
- 2.Re4#
- 1...Bc5
- 2.Qd5#
- 1...Bd6
- 2.Bxd6#
- 1...Bd3
- 2.Sxd3#
- 1...Bc4
- 2.Re4#
- 1...Bb5
- 2.Qd5#
- 1...Bb7
- 2.Sd3#
- 1...Bc8
- 2.Sd3#
- 1...Rb4
- Tries
- 1.Be4?
- threat
- 2.Qf5#
- 1...Rxe4
- 2.Rxe4#
- 1...Bc8
- 2.Sd3#
- 1...f5
- 2.Qxf5#
- 1...g6!
- threat
- 1.Bb5?
- threat
- 2.Sd3#
- 2.Qd5#
- 1...Qxb3
- 2.Sd3#
- 1...Qxb2
- 2.Qd5#
- 1...Rxg4
- 2.Qd5#
- 1...Rxb5
- 2.Sd3#
- 1...Bxb5
- 2.Qd5#
- 1...Qb1
- 2.Qd5#
- 1...Rd4
- 2.cxd4#
- 1...Rf4
- 2.Qd5#
- 2.gxf4#
- 1...Bb7
- 2.Sd3#
- 1...Bd6!
- threat
- 1.Bxa3?
- threat
- 2.Bd6#
- 2.Re8#
- 1...Qxb3
- 2.Bd6#
- 1...Rxa3
- 2.Re4#
- 2.Re8#
- 1...f5
- 2.Qd6#
- 2.Qe7#
- 1...Rb4
- 2.Re8#
- 1...Rd4
- 2.Re8#
- 2.cxd4#
- 1...Rc5
- 2.Re8#
- 1...Rd5
- 2.Re8#
- 2.Qxd5#
- 1...Bc4
- 2.Bd6#
- 2.Re4#
- 1...Sg5
- 2.Bd6#
- 1...Sf8
- 2.Bd6#
- 1...Qxa3!
- threat
- 1.Bb4?
- threat
- 2.Re4#
- 2.Re8#
- 1...Qxb3
- 2.Re4#
- 1...Rxb4
- 2.Re8#
- 1...Bxb4
- 2.Re4#
- 1...f5
- 2.Qd6#
- 2.Qe7#
- 1...Qb1
- 2.Re8#
- 1...Bd3
- 2.Sxd3#
- 2.Re8#
- 1...Bc4
- 2.Re4#
- 1...Sf8
- 2.Re4#
- 1...Sg5!
- threat
- 1.Bc5?
- threat
- 2.Re8#
- 2.Qd5#
- 1...Rxc5
- 2.Re8#
- 1...Bxc5
- 2.Qd5#
- 1...f5
- 2.Qd6#
- 2.Qe7#
- 1...Sg5
- 2.Qd5#
- 1...Rd4
- 2.Bxd4#
- 2.Re8#
- 2.cxd4#
- 1...Bc4
- 2.Bd4#
- 2.Re4#
- 1...Sf8
- 2.Qd5#
- 1...Qxb3!
- threat
- 1.Rxa4?
- threat
- 2.Sg4#
- 2.Re4#
- 1...Qxb2
- 2.Re4#
- 1...Rxa4
- 2.Qd5#
- 1...Sg5
- 2.Sg4#
- 1...Qb1
- 2.Sg4#
- 1...Bb4
- 2.Sg4#
- 1...Be2
- 2.Re4#
- 1...Bd3
- 2.Sxd3#
- 2.Sg4#
- 1...Bc4
- 2.Sg4#
- 1...f5!
- threat
- 1.Rc4?
- threat
- 2.Sd3#
- 2.Sg4#
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.Sg4#
- 1...Qb1
- 2.Sg4#
- 1...Rd5
- 2.Sg4#
- 2.Qxd5#
- 1...f5
- 2.Sd3#
- 1...Qxb2!
- threat
- 1.Rf4?
- threat
- 2.Sg4#
- 2.Rf5#
- 2.Qf5#
- 1...Qxb2
- 2.Rf5#
- 2.Qf5#
- 1...Qb1
- 2.Sg4#
- 1...Be2
- 2.Rf5#
- 2.Qf5#
- 1...Bd3
- 2.Sxd3#
- 2.Sg4#
- 1...Bc8
- 2.Sd3#
- 2.Sg4#
- 2.Rf5#
- 1...f5
- 2.Rxf5#
- 2.Qxf5#
- 1...g6
- 2.Sg4#
- 1...Rxf4!
- threat
- 1.Re8?
- threat
- 2.Bxa3#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 1...Qxb3
- 2.Bd6#
- 1...Bxb2
- 2.Ba3#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Bd8#
- 2.Bf8#
- 1...Bxe7
- 2.Rxe7#
- 1...Sg5
- 2.Bd6#
- 1...Rb4
- 2.Bxb4#
- 2.Bc5#
- 2.Bd6#
- 2.Bd8#
- 2.Bf8#
- 1...Rc5
- 2.Bxc5#
- 2.Bd6#
- 2.Bd8#
- 2.Bf8#
- 1...Bb4
- 2.Bxb4#
- 2.Bc5#
- 2.Bd6#
- 2.Re4#
- 1...Bc5
- 2.Bxc5#
- 2.Bd6#
- 2.Qd5#
- 1...Bd6
- 2.Bxd6#
- 1...Bc4
- 2.Bd6#
- 2.Re4#
- 1...Sf8
- 2.Bd6#
- 1...f5!
- threat
- 1.Qd6+?
- 1...Kf5
- 2.Bd7#
- 1...Bxd6!
- 1...Kf5
- 1.c4?
- threat
- 2.Sd3#
- 2.Re4#
- 1...Qxb3
- 2.Re4#
- 1...Qxb2
- 2.Re4#
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.Re4#
- 1...Sg5
- 2.Sd3#
- 1...Rd5
- 2.Re4#
- 2.Qxd5#
- 1...f5
- 2.Sd3#
- 1...Qb1!
- threat
- 1.Be4?
- Keys
- 1.Rb4!
- threat
- 2.Sg4#
- 2.Bd6#
- 1...Qxb2
- 2.Bd6#
- 1...Rxb4
- 2.Bd6#
- 1...Bxb4
- 2.Sg4#
- 1...Rd5
- 2.Sg4#
- 2.Qxd5#
- 1...Be2
- 2.Bd6#
- 1...f5
- 2.Qd6#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 16
- Sets
- R(c);S_CUTB(b)::B(J)
- R(c);S_CUTB(f)::S(B)
- R(c);OGATE::P(E),XR(c)
- R(c);N_GUARD::R1(G),XR(c)
- R(c);OGATE::P(F),XR(c)
- R(c);XR(G)::S(B),XR(c)
- R(d);S_CUTB(f)::S(B)
- R(d);S_CUTB(b)::B(J)
- R(d);N_GUARD::QAR1(I),XR(d)
- B(b);N_GUARD,XP(A)::B(J)
- B(b);S_CUTR(c)::R1(G)
- B(b);S_CUTR(d)::QAR1(I)
- B(b);N_GUARD::B(J),XB(b)
- B(f);N_GUARD::S(B),XB(f)
- B(f);S_CUTR(c)::R1(G)
- B(f);S_CUTR(d)::QAR1(I)
- B(f);N_GUARD::S(B)
- Tries
- Try
- B(H);
- Threat
- QAR1(I)
- Vars
- R(c);OGATE,XB(H)::R1(G),XR(c)
- B(f);N_GUARD::S(B)
- P(g);::QAR1(I),XP(g)
- Refutation
- P(h);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::S(B)
- Q(a);P_PINS(B),XP(A)::QAR1(I)
- R(c);XR(G)::QAR1(I)
- R(d);XB(H)::S(B)
- B(f);XB(H)::QAR1(I)
- Q(a);::QAR1(I)
- R(c);OGATE::P(E),XR(c)
- B(f);::S(B)
- Refutation
- B(b);
- Try
- B(J);XB(b)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::B(J)
- R(c);::R(K)
- R(d);::R(K)
- S(i);::B(J)
- Refutation
- Q(a);XB(J)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::R1(G)
- R(c);XB(J)::R(K)
- B(b);XB(J)::R1(G)
- Q(a);::R(K)
- B(f);::R1(G)
- S(i);::R1(G)
- Refutation
- S(i);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(d);XB(J)::R(K)
- B(b);XB(J)::QAR1(I)
- S(i);::QAR1(I)
- Refutation
- Q(a);XP(D)
- Try
- R(G);XR(c)
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINS(B),XP(A)::R1(G)
- R(d);N_GUARD,XR(G)::QAR1(I)
- S(i);::S(B)
- Q(a);::S(B)
- B(b);::S(B)
- B(f);::R1(G)
- B(f);::S(B)
- Refutation
- P(g);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(c);XR(G)::S(B)
- B(f);XR(G)::S(B)
- Q(a);::S(B)
- P(g);::S(B)
- Refutation
- Q(a);P_PINS(B),XP(A)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(a);::S(B)
- P(h);::S(B)
- Refutation
- R(c);XR(G)
- Try
- R(K);
- Threat
- DUALS(4)
- Vars
- Q(a);XP(D)::R(K)+B(J),DCHECK
- B(b);OGATE,P_SPINB(b),XB(J)::R(K),XB(b)
- S(i);::R(K)+B(J),DCHECK
- B(b);::R(K)+B(J),DCHECK,XB(b)
- Refutation
- P(g);
- Try
- Q(I);CHECK
- Vars
- K(e);P-FLIGHT::B(H)
- Refutation
- B(b);XQ(I)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::R1(G)
- Q(a);P_PINS(B),XP(A)::R1(G)
- R(c);XP(E)::S(B)
- B(f);XP(E)::R1(G)
- S(i);::S(B)
- P(g);::S(B)
- Refutation
- Q(a);
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINS(B),XP(A)::B(J)
- R(c);XR(G)::B(J)
- B(b);XR(G)::S(B)
- B(f);::B(J)
- P(g);SBLOCK::QAB1(I)
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