MESON Chess Problem Database
Problem Display
PID: 47580 (8/3q1Qrb/2p1N3/R2P1N2/3PkBP1/7R/2nK3P/8 w - - 0 1)
Loustau, Jean-Marc
Rotenberg, Jacques
1st Prize, diagrammes, 1989
#2
11 + 6
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Sd6#
- 1...Qe8
- 2.Sd6#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sd6#
- 1...Qb7
- 2.Sd6#
- 1...Qxf7
- 2.Sd6#
- 1...Bxf5
- 2.Qxf5#
- 1...Sa1
- 2.Re3#
- 1...Se1
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sb4
- 2.Re3#
- 1...Sxd4
- 2.Re3#
- 1...Qc8
- Tries
- 1.Be3?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Sg3#
- 2.Qxe6#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg4
- 2.Sc5#
- 1...Rxf7
- 2.Sg5#
- 1...Bxf5
- 2.Sc5#
- 2.Qxf5#
- 1...Sxe3
- 2.Sg3#
- 2.Rxe3#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qc7
- 2.Sc5#
- 1...Qe7
- 2.Sg3#
- 1...Sxd4!
- threat
- 1.Bg5?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg5
- 2.Sg3#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxd4
- 2.Re3#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qc7
- 2.Sc5#
- 1...Qe7
- 2.Sg3#
- 1...Rxf7!
- threat
- 1.Bd6?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qxd6
- 2.Sxd6#
- 1...Rxg4
- 2.Sc5#
- 1...Rxf7
- 2.Sg5#
- 1...Bxf5
- 2.Qxf5#
- 1...c5
- 2.Sxc5#
- 1...Qa7
- 2.Sg3#
- 1...Qxf7!
- threat
- 1.Bh6?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg4
- 2.Sc5#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxd4
- 2.Re3#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qc7
- 2.Sc5#
- 1...Qe7
- 2.Sg3#
- 1...Rg5
- 2.Sg3#
- 1...Rxf7!
- threat
- 1.Bc7?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg4
- 2.Sc5#
- 1...Rxf7
- 2.Sg5#
- 1...Bxf5
- 2.Qxf5#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qe7
- 2.Sg3#
- 1...Qxc7!
- threat
- 1.Bb8?
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg4
- 2.Sc5#
- 1...Rxf7
- 2.Sg5#
- 1...Bxf5
- 2.Qxf5#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qe7
- 2.Sg3#
- 1...Qc7!
- threat
- 1.Be3?
- Keys
- 1.Be5!
- threat
- 2.Sg3#
- 2.Sc5#
- 1...Qxe6
- 2.Sg3#
- 1...Qxd5
- 2.Sg3#
- 1...Qxf7
- 2.Sd6#
- 1...Rxg4
- 2.Sc5#
- 1...Rxf7
- 2.Sg5#
- 1...Bxf5
- 2.Sc5#
- 2.Qxf5#
- 1...Sxd4
- 2.Re3#
- 1...c5
- 2.Sxc5#
- 1...Qd6
- 2.Sg3#
- 2.Sxd6#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qe7
- 2.Sg3#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 11
- Sets
- Q(d);N_GUARD::S(I)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,XQ(K)::S(I)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD,XP(D)::R1(C)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XP(F)::S(J)
- R(e);N_GUARD,XQ(K)::S(J)
- P(c);::S(J),XP(c)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);::S(J)
- Q(d);::S(I)
- Refutation
- S(a);XP(D)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(J)::QAR2(K),XQ(d)
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XB(E)::S(I)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- S(a);N_GUARD,XP(D)::R1(C)
- P(c);::S(J),XP(c)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);::S(J)
- Q(d);::S(I)
- Refutation
- R(e);XQ(K)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(J)::QAR2(K),XQ(d)
- Q(d);XB(E)::S(I),XQ(d)
- R(e);XP(F)::S(J)
- R(e);N_GUARD,XQ(K)::S(J)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- P(c);::S(J),XP(c)
- Q(d);::S(I)
- Refutation
- Q(d);XQ(K)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(J)::QAR2(K),XQ(d)
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XP(F)::S(J)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- S(a);N_GUARD,XP(D)::R1(C)
- P(c);::S(J),XP(c)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);::S(J)
- Q(d);::S(I)
- R(e);::S(I)
- Refutation
- R(e);XQ(K)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(J)::QAR2(K),XQ(d)
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XP(F)::S(J)
- R(e);N_GUARD,XQ(K)::S(J)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- P(c);::S(J),XP(c)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);::S(I)
- Refutation
- Q(d);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(J)::QAR2(K),XQ(d)
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XP(F)::S(J)
- R(e);N_GUARD,XQ(K)::S(J)
- B(f);OGATE,XS(I)::QAB1(K),XB(f)
- P(c);::S(J),XP(c)
- Q(d);N_GUARD::S(I),XQ(d)
- Q(d);::S(I)
- Refutation
- Q(d);
- Try
- Actual
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(J)::S(I)
- Q(d);P_PINP(D),XP(H)::S(I)
- Q(d);N_GUARD,XQ(K)::S(I)
- R(e);XP(F)::S(J)
- R(e);N_GUARD,XQ(K)::S(J)
- S(a);N_GUARD,XP(D)::R1(C)
- P(c);::S(J),XP(c)
- Q(d);::S(I)
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