MESON Chess Problem Database
Problem Display
PID: 136305 (3B3K/q6p/2RPB2p/2P1k3/1R2bN1N/4P3/8/6Q1 w - - 0 1)
Roche, Jean
2nd HM., BCF 137. Ty., 1974-1975
#2
11 + 5
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qxc5
- 2.Qg7#
- 1...Qb6
- 2.Qa1#
- 2.Qg7#
- 1...Qb8
- 2.Qa1#
- 2.Qg7#
- 1...Qa1
- 2.Qxa1#
- 2.Qg7#
- 1...Qa2
- 2.Qg7#
- 1...Qa3
- 2.Qg7#
- 1...Qa4
- 2.Qg7#
- 1...Qa5
- 2.Qg7#
- 1...Qa6
- 2.Qg7#
- 1...Qb7
- 2.Qa1#
- 1...Qc7
- 2.Qa1#
- 1...Qd7
- 2.Qa1#
- 1...Qe7
- 2.Qa1#
- 1...Qf7
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qa8
- 2.Qg7#
- 1...Bb1
- 2.Sf3#
- 1...Bc2
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bf5
- 2.Sf3#
- 1...Bg6
- 2.Sf3#
- 1...Qxc5
- Tries
- 1.Ba2?
- threat
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Qg7#
- 1...Qxa2
- 2.Qg7#
- 1...Qa3
- 2.Qg7#
- 1...Bb1!
- threat
- 1.Bd7?
- threat
- 2.Qg7#
- 1...Qxd7
- 2.Qa1#
- 1...Bg6
- 2.Sf3#
- 1...Bg2!
- threat
- 1.Bf7?
- threat
- 2.Qg7#
- 1...Qxf7
- 2.Qa1#
- 1...Qe7
- 2.Qa1#
- 1...Bg2
- 2.Sd3#
- 1...Bg6!
- threat
- 1.Ra4?
- threat
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Qg7#
- 1...Qxa4
- 2.Qg7#
- 1...Bb1
- 2.Sf3#
- 1...Qb6
- 2.Qg7#
- 1...Qb8
- 2.Qg7#
- 1...Qa5
- 2.Qg7#
- 1...Qb7!
- threat
- 1.Qb1?
- threat
- 2.Rxe4#
- 2.Qxe4#
- 2.Qb2#
- 1...Qxc5
- 2.Rxe4#
- 2.Qxe4#
- 1...Bxb1
- 2.Sf3#
- 1...Bxc6
- 2.Qf5#
- 2.Qb2#
- 1...Qe7
- 2.Qa1#
- 2.Qb2#
- 1...Qa1
- 2.Rxe4#
- 2.Qxe4#
- 2.Qxa1#
- 1...Qa2
- 2.Rxe4#
- 2.Qxe4#
- 1...Qa3
- 2.Rxe4#
- 2.Qxe4#
- 1...Qa4
- 2.Qxe4#
- 2.Qb2#
- 1...Bh1
- 2.Qf5#
- 2.Qb2#
- 1...Bc2
- 2.Sf3#
- 2.Qb2#
- 1...Bg2
- 2.Qf5#
- 2.Qb2#
- 1...Bd3
- 2.Sf3#
- 2.Qb2#
- 1...Bf3
- 2.Sxf3#
- 2.Qf5#
- 2.Qb2#
- 1...Bd5
- 2.Qf5#
- 2.Qb2#
- 1...Bf5
- 2.Sf3#
- 2.Qxf5#
- 2.Qb2#
- 1...Bg6
- 2.Sf3#
- 2.Qb2#
- 1...Qg7+!
- threat
- 1.Qg2?
- threat
- 2.Rxe4#
- 2.Qxe4#
- 2.Qb2#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Rxe4#
- 2.Qxe4#
- 2.Qg7#
- 1...Bxc6
- 2.Qb2#
- 1...Qe7
- 2.Qb2#
- 1...Bb1
- 2.Sf3#
- 2.Qd5#
- 2.Qb2#
- 1...Qa1
- 2.Rxe4#
- 2.Qxe4#
- 2.Qg7#
- 1...Qa2
- 2.Rxe4#
- 2.Qxe4#
- 2.Qg7#
- 1...Qa3
- 2.Rxe4#
- 2.Qxe4#
- 2.Qg7#
- 1...Qa4
- 2.Qxe4#
- 2.Qb2#
- 2.Qg7#
- 1...Bc2
- 2.Sf3#
- 2.Qd5#
- 1...Bd3
- 2.Sf3#
- 2.Qd5#
- 2.Qb2#
- 1...Bf3
- 2.Sxf3#
- 2.Qb2#
- 1...Bd5
- 2.Qxd5#
- 2.Qb2#
- 1...Bf5
- 2.Sf3#
- 2.Qd5#
- 2.Qb2#
- 1...Bg6
- 2.Sf3#
- 2.Qd5#
- 2.Qb2#
- 1...Bxg2!
- threat
- 1.Qg5+?
- 1...Bf5
- 2.Sf3#
- 2.Bf6#
- 2.Qf6#
- 2.Qxf5#
- 1...hxg5!
- 1...Bf5
- 1.Qg6?
- threat
- 2.Bf6#
- 2.Rxe4#
- 2.Qxe4#
- 2.Qf6#
- 1...Qg7+
- 2.Qxg7#
- 1...Bxc6
- 2.Sd3#
- 2.Bf6#
- 2.Qf5#
- 2.Qh5#
- 2.Qf6#
- 1...Bxg6
- 2.Sf3#
- 1...Bb1
- 2.Sf3#
- 2.Bf6#
- 2.Qf6#
- 1...Qb8
- 2.Rxe4#
- 2.Qxe4#
- 2.Qf6#
- 2.Qg7#
- 1...Qa4
- 2.Bf6#
- 2.Qxe4#
- 2.Qf6#
- 2.Qg7#
- 1...Qe7
- 2.Rxe4#
- 1...Qf7
- 2.Rxe4#
- 2.Qxe4#
- 1...Qa8
- 2.Rxe4#
- 2.Qxe4#
- 2.Qf6#
- 2.Qg7#
- 1...Bh1
- 2.Sd3#
- 2.Bf6#
- 2.Qf5#
- 2.Qh5#
- 2.Qf6#
- 1...Bc2
- 2.Sf3#
- 2.Bf6#
- 2.Qf6#
- 1...Bg2
- 2.Sd3#
- 2.Bf6#
- 2.Qf5#
- 2.Qh5#
- 2.Qf6#
- 1...Bd3
- 2.Sxd3#
- 2.Sf3#
- 2.Bf6#
- 2.Qf6#
- 1...Bf3
- 2.Sd3#
- 2.Sxf3#
- 2.Bf6#
- 2.Qf5#
- 2.Qf6#
- 1...Bd5
- 2.Sd3#
- 2.Bf6#
- 2.Qf5#
- 2.Qh5#
- 2.Qf6#
- 1...Bf5
- 2.Sf3#
- 2.Bf6#
- 2.Qxf5#
- 2.Qf6#
- 1...hxg6!
- threat
- 1.d7?
- threat
- 2.Qg7#
- 1...Bg2
- 2.Sd3#
- 1...Bg6
- 2.Sf3#
- 1...Qxd7!
- threat
- 1.Ba2?
- Keys
- 1.Ra6!
- threat
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Qg7#
- 1...Qxa6
- 2.Qg7#
- 1...Bb1
- 2.Sf3#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(d);N_GUARD,XP(F)::QAB(A)
- Q(d);N_GUARD::QAB(A)
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- Q(d);N_GUARD,P_PINB(J)::QAB(A)
- B(a);N_GUARD::S(E)
- B(a);N_GUARD::S(E),XB(a)
- Tries
- Try
- B(I);
- Threat
- QAB(A)
- Vars
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- Q(d);N_GUARD,XP(F)::QAB(A)
- Q(d);N_GUARD,XB(I)::QAB(A)
- Q(d);N_GUARD::QAB(A)
- Refutation
- B(a);
- Try
- B(I);
- Threat
- QAB(A)
- Vars
- Q(d);N_GUARD,XB(I)::QAB(A)
- B(a);N_GUARD::S(E)
- Refutation
- B(a);
- Try
- B(I);
- Threat
- QAB(A)
- Vars
- Q(d);N_GUARD,XB(I)::QAB(A)
- Q(d);N_GUARD::QAB(A)
- B(a);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- R(C);
- Threat
- QAB(A)
- Vars
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- Q(d);N_GUARD,XP(F)::QAB(A)
- Q(d);N_GUARD,XR(C)::QAB(A)
- B(a);N_GUARD::S(E)
- Q(d);N_GUARD::QAB(A)
- Q(d);N_GUARD,P_PINB(J)::QAB(A)
- Refutation
- Q(d);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(a);N_GUARD,XQ(A)::S(E)
- Refutation
- Q(d);CHECK
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- B(a);XR(G)::QAB(A)
- Q(d);::QAB(A)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- B(a);N_GUARD,XQ(A)::S(E)
- Q(d);::R1(C),XB(a)
- Refutation
- P(e);XQ(A)
- Try
- P(H);
- Threat
- QAB(A)
- Vars
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(E)
- Refutation
- Q(d);XP(H)
- Try
- Actual
- R(G);
- Threat
- QAB(A)
- Vars
- Q(d);CHECK,N_GUARD::QAB(A),XQ(d)
- Q(d);N_GUARD,XP(F)::QAB(A)
- Q(d);N_GUARD,XR(G)::QAB(A)
- B(a);N_GUARD::S(E)
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