MESON Chess Problem Database
Problem Display
PID: 18913 (B3N1q1/2p3pQ/3R4/3n1n2/4k3/4Pp2/3K4/B7 w - - 0 1)
Morice, Jean
Il Due Mosse, 1959
#2
7 + 7
| 136 | Problem Observer | 2004 |
| 136 | Problem Observer | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qe6
- 2.Rxe6#
- 1...Qxh7
- 2.Bxd5#
- 2.Re6#
- 1...Qxe8
- 2.Bxd5#
- 1...Qf8
- 2.Bxd5#
- 2.Re6#
- 1...Qh8
- 2.Bxd5#
- 2.Re6#
- 1...f2
- 2.Qh1#
- 1...cxd6
- 2.Sxd6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Qe6
- Tries
- 1.Sxg7?
- threat
- 2.Qxf5#
- 1...Qxh7
- 2.Bxd5#
- 2.Re6#
- 1...Qxg7
- 2.Bxd5#
- 1...Qe6
- 2.Rxe6#
- 1...Qc8
- 2.Bxd5#
- 1...Qf8
- 2.Bxd5#
- 2.Re6#
- 1...Qf7!
- threat
- 1.Bc6?
- 1...Qxh7
- 2.Bxd5#
- 2.Re6#
- 1...Qxe8
- 2.Bxd5#
- 1...cxd6
- 2.Sxd6#
- 1...f2
- 2.Qh1#
- 1...Qe6
- 2.Rxe6#
- 1...Qf8
- 2.Bxd5#
- 2.Re6#
- 1...Qh8
- 2.Bxd5#
- 2.Re6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Qf7!
- 1...Qxh7
- 1.Rxd5?
- threat
- 2.Re5#
- 2.Qxf5#
- 1...Qxh7
- 2.Re5#
- 1...Qf7
- 2.Re5#
- 1...Qe6
- 2.Re5#
- 1...Qf8
- 2.Re5#
- 1...g6
- 2.Sf6#
- 2.Re5#
- 1...Qxd5+!
- threat
- 1.Ra6?
- threat
- 2.Ra4#
- 1...Qxh7
- 2.Re6#
- 1...f2
- 2.Qh1#
- 1...Qf8
- 2.Re6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...g6
- 2.Sf6#
- 1...Qxe8!
- threat
- 1.Rc6?
- threat
- 2.Rc4#
- 1...Qxh7
- 2.Re6#
- 1...Sc3
- 2.Re6#
- 1...f2
- 2.Qh1#
- 1...g6!
- threat
- 1.Rf6?
- threat
- 2.Qxf5#
- 1...Qxh7
- 2.Re6#
- 1...gxf6
- 2.Sxf6#
- 1...Qe6
- 2.Rxe6#
- 1...g6!
- threat
- 1.Rg6?
- threat
- 2.Rg4#
- 1...Sd4
- 2.Re6#
- 1...f2
- 2.Qh1#
- 1...c6!
- threat
- 1.Rh6?
- threat
- 2.Rh4#
- 1...Qxh7
- 2.Re6#
- 1...gxh6
- 2.Sf6#
- 1...c6
- 2.Sd6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...f2!
- threat
- 1.Qxg8?
- threat
- 2.Bxd5#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 1...Sxd6
- 2.Qxd5#
- 2.Qe6#
- 1...cxd6
- 2.Bxd5#
- 2.Qxd5#
- 2.Qe6#
- 1...Sg3
- 2.Qxd5#
- 2.Qe6#
- 1...Sd4
- 2.Qxd5#
- 1...Sh4
- 2.Qxd5#
- 2.Qe6#
- 1...Sh6
- 2.Qxd5#
- 2.Qe6#
- 1...Se7
- 2.Qe6#
- 1...f2
- 2.Bxd5#
- 2.Qxd5#
- 1...c6
- 2.Re6#
- 2.Qe6#
- 1...Sxe3!
- threat
- 1.Qh2?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxe8
- 2.Bxd5#
- 2.Qf4#
- 1...Sxe3
- 2.Qe5#
- 1...cxd6
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...f2
- 2.Qf4#
- 2.Qh1#
- 2.Qg2#
- 1...Qe6
- 2.Rxe6#
- 2.Qf4#
- 1...c6
- 2.Qe5#
- 1...g5
- 2.Sf6#
- 2.Qe5#
- 1...Sg3!
- threat
- 1.Sxg7?
- Keys
- 1.Rb6!
- threat
- 2.Rb4#
- 1...Qxh7
- 2.Re6#
- 1...cxb6
- 2.Sd6#
- 1...f2
- 2.Qh1#
- 1...Qf8
- 2.Re6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...g6
- 2.Sf6#
- threat
- 1.Rb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XS(G)::B(F),XS(c)
- P(a);OGATEB::QAB(E)
- P(e);XR(D)::S(G),XP(e)
- P(f);N_GUARD::S(G)
- Tries
- Try
- S(G);XP(f)
- Threat
- QAB1(E),XS(d)
- Vars
- Q(g);N_GUARD,XS(G)::B(F),XS(c)
- Q(g);N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD::B(F),XS(c)
- Refutation
- Q(g);
- Try
- B(F);
- Vars
- Q(g);N_GUARD,XS(G)::B(F),XS(c)
- P(e);XR(D)::S(G),XP(e)
- P(a);OGATEB::QAB(E)
- Q(g);N_GUARD::R(D),XQ(g)
- P(f);N_GUARD::S(G)
- Refutation
- Q(g);
- Try
- R(D);P_PINS(d),XS(c)
- Threat
- DUALS(2)
- Vars
- Q(g);N_SPINS(d),XQ(E)::B(F)+R(D),DCHECK
- Q(g);::B(F)+R(D),DCHECK
- Refutation
- Q(g);CHECK,P_SPINQ(g),XR(D)
- Try
- R(D);
- Threat
- R(D)
- Vars
- Q(g);N_GUARD,XQ(E)::R(D)
- P(a);OGATEB::QAB(E)
- Q(g);N_GUARD::R(D)
- P(e);N_GUARD::S(G)
- P(e);N_GUARD,N_SPINS(c),P_SPINS(d)::S(G)
- P(f);N_GUARD::S(G)
- Refutation
- Q(g);XS(G)
- Try
- R(D);N_PINS(c),P_PINS(d)
- Threat
- R(D)
- Vars
- Q(g);N_GUARD,N_SPINS(d),XQ(E)::R(D)
- S(c);::B(F)+R(D),DCHECK
- P(a);OGATEB::QAB(E)
- Refutation
- P(f);N_SPINS(d)
- Try
- R(D);
- Threat
- QAB1(E),XS(d)
- Vars
- Q(g);N_GUARD,XQ(E)::R(D)
- P(f);XR(D)::S(G),XP(f)
- Q(g);N_GUARD::R(D),XQ(g)
- Refutation
- P(f);
- Try
- R(D);
- Threat
- R(D)
- Vars
- S(d);::QAB(E)+R(D),DCHECK
- P(a);OGATEB::QAB(E)
- Refutation
- P(e);N_SPINS(c)
- Try
- R(D);
- Threat
- R(D)
- Vars
- Q(g);N_GUARD,XQ(E)::R(D)
- P(f);N_GUARD,XR(D)::S(G)
- P(e);N_GUARD,N_SPINS(c),P_SPINS(d)::S(G)
- P(f);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- Q(E);XQ(g)
- Threat
- DUALS(4)
- Vars
- S(d);::QAB1(E),XS(c)
- S(d);::QAR2(E)
- Refutation
- S(d);XP(C)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::QAR1(E)
- P(e);XR(D)::QAR1(E)
- S(d);::QAR1(E)
- P(e);N_SPINS(c)::QAR1(E)
- Refutation
- S(d);
- Try
- Actual
- R(D);
- Threat
- R(D)
- Vars
- Q(g);N_GUARD,XQ(E)::R(D)
- P(e);N_GUARD,XR(D)::S(G)
- P(a);OGATEB::QAB(E)
- Q(g);N_GUARD::R(D)
- P(e);N_GUARD::S(G)
- P(e);N_GUARD,N_SPINS(c),P_SPINS(d)::S(G)
- P(f);N_GUARD::S(G)
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