MESON Chess Problem Database
Problem Display
PID: 108220 (5BK1/5p2/PN2p3/RB1qk3/PN3R1b/6P1/4P3/7b w - - 0 1)
Boyer, Jean-Pierre
4th HM., Sinfonie Scacchistiche, 1969
#2
11 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sd3#
- 2.Sd7#
- 1...Qg2
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Qb3
- 2.Sd7#
- 1...Qf3
- 2.Sc4#
- 2.Sd7#
- 1...Qc4
- 2.Sxc4#
- 2.Sd7#
- 1...Qc6
- 2.Sd3#
- 1...Qb7
- 2.Sd3#
- 2.Sc4#
- 1...Qa8
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Qd1
- 2.Sc4#
- 1...Qd2
- 2.Sc4#
- 1...Qd3
- 2.Sxd3#
- 1...Qxb5
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Qc5
- 2.Sd3#
- 2.Sd7#
- 1...Qd6
- 2.Sc4#
- 1...Qd7
- 2.Sc4#
- 2.Sxd7#
- 1...Qd8
- 2.Sc4#
- 1...Qa2
- Tries
- 1.Bd3?
- threat
- 2.Sc6#
- 2.Sc4#
- 2.Sd7#
- 1...Qxa5
- 2.Sc4#
- 2.Sd7#
- 1...Be4
- 2.Sc6#
- 1...Be7
- 2.Sc4#
- 1...f5
- 2.Sd7#
- 1...Qb5
- 2.Sc4#
- 2.Sd7#
- 1...Qc5
- 2.Sc4#
- 2.Sd7#
- 1...Bxg3!
- threat
- 1.Bc4?
- threat
- 2.Sd3#
- 2.Sc6#
- 2.Sd7#
- 1...Qxa5
- 2.Sd3#
- 2.Sd7#
- 1...Bxg3
- 2.Sd3#
- 1...Be4
- 2.Sc6#
- 1...f5
- 2.Sd7#
- 1...Qb5
- 2.Sd3#
- 2.Sd7#
- 1...Qc5
- 2.Sd3#
- 2.Sd7#
- 1...Be7!
- threat
- 1.Bc6?
- threat
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Bxg3
- 2.Sd3#
- 1...Be7
- 2.Sc4#
- 1...f5
- 2.Sd7#
- 1...Be4!
- threat
- 1.Bd7?
- threat
- 2.Sd3#
- 2.Sc6#
- 2.Sc4#
- 1...Qxa5
- 2.Sd3#
- 2.Sc4#
- 1...Bxg3
- 2.Sd3#
- 1...Be4
- 2.Sc6#
- 1...Be7
- 2.Sc4#
- 1...Qb5
- 2.Sd3#
- 2.Sc4#
- 1...Qc5
- 2.Sd3#
- 2.Sc4#
- 1...f5!
- threat
- 1.Bd6+?
- 1...Qxd6
- 2.Sc4#
- 1...Kxd6!
- 1...Qxd6
- 1.Bd3?
- Keys
- 1.Be8!
- threat
- 2.Sd3#
- 2.Sc6#
- 2.Sc4#
- 2.Sd7#
- 1...Qxa5
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Bxg3
- 2.Sd3#
- 1...Be4
- 2.Sc6#
- 1...Be7
- 2.Sc4#
- 1...f5
- 2.Sd7#
- 1...Qb5
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- 1...Qc5
- 2.Sd3#
- 2.Sc4#
- 2.Sd7#
- threat
- 1.Be8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD::S(I)
- Q(c);N_GUARD::S(D)
- Q(c);N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD,P_PINB(J)::S(I)
- Tries
- Try
- B(G);P_PINQ(c)
- Threat
- DUALS(3)
- Vars
- B(a);::S(D)
- B(b);::S(I)
- P(f);::S(I)
- Refutation
- B(b);XP(B)
- Try
- B(G);P_PINQ(c)
- Threat
- DUALS(3)
- Vars
- B(b);XP(B)::S(D)
- B(a);::S(D)
- P(f);::S(I)
- Refutation
- B(b);
- Try
- B(G);P_PINQ(c)
- Threat
- DUALS(3)
- Vars
- B(b);XP(B)::S(D)
- B(b);::S(I)
- P(f);::S(I)
- Refutation
- B(a);
- Try
- B(G);P_PINQ(c)
- Threat
- DUALS(3)
- Vars
- B(b);XP(B)::S(D)
- B(a);::S(D)
- B(b);::S(I)
- Refutation
- P(f);
- Try
- B(J);CHECK
- Vars
- Q(c);XB(J)::S(I)
- Refutation
- K(d);S_FLIGHT,XB(J)
- Try
- Actual
- B(G);P_PINQ(c)
- Threat
- DUALS(4)
- Vars
- B(b);XP(B)::S(D)
- B(a);::S(D)
- B(b);::S(I)
- P(f);::S(I)
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