MESON Chess Problem Database
Problem Display
PID: 24616 (3bRN2/1qp2p1r/Q1n5/5k2/2B4p/2BPP3/6RK/1b6 w - - 0 1)
Savournin, Jacques
Europe Echecs, 1972
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Qxc8#
- 1...Qb2
- 2.Qc8#
- 1...Qb3
- 2.Qc8#
- 1...Qb4
- 2.Qc8#
- 1...Qb5
- 2.Qc8#
- 1...Qb6
- 2.Qc8#
- 1...Qa7
- 2.Qc8#
- 1...Bxd3
- 2.Bxd3#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Qf6#
- 1...Sb8
- 2.Re5#
- 1...f6
- 2.Be6#
- 1...Qc8
- Tries
- 1.Sg6?
- threat
- 2.e4#
- 1...Bxd3
- 2.Bxd3#
- 1...fxg6
- 2.Be6#
- 1...Sb4
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Qf6#
- 1...Sb8
- 2.Re5#
- 1...Bg5!
- threat
- 1.Bd5?
- threat
- 2.Be4#
- 1...Bxd3
- 2.Qxd3#
- 1...Qb4
- 2.Qc8#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Qf6#
- 1...Sb8
- 2.Re5#
- 1...Sd4!
- threat
- 1.Re5+?
- 1...Kf6
- 2.Sd7#
- 2.Sxh7#
- 1...Sxe5!
- 1...Kf6
- 1.Qb5+?
- 1...Se5
- 2.Qxe5#
- 1...Qxb5!
- 1...Se5
- 1.Qxc6?
- threat
- 2.Re5#
- 2.Qd7#
- 1...Qa6
- 2.Re5#
- 2.Qf3#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qc8
- 2.Re5#
- 2.Qf3#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qb5
- 2.Qf3#
- 2.Qe4#
- 1...Qb6
- 2.Re5#
- 2.Qf3#
- 2.Qe4#
- 2.Qd5#
- 1...Rh6
- 2.Re5#
- 1...Bf6
- 2.Qd7#
- 2.Qxf6#
- 1...Be7
- 2.Qd7#
- 1...f6
- 2.Be6#
- 2.Qe6#
- 1...Qxc6!
- threat
- 1.Sg6?
- Keys
- 1.Se6!
- threat
- 2.e4#
- 1...Bxd3
- 2.Bxd3#
- 1...fxe6
- 2.Bxe6#
- 1...Bg5
- 2.Rxg5#
- 1...Sd4
- 2.Sxd4#
- 1...Se5
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sa5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Rg5#
- 1...Sb8
- 2.Sd4#
- threat
- 1.Se6!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(e);OGATE::QAB(G),XQ(e)
- Q(e);OGATE,P_PINR(A)::QAB(G)
- Q(e);OGATE::QAB(G)
- B(a);OGATE,XP(D)::B(F),XB(a)
- S(d);N_GUARD::R1(H)
- S(d);N_GUARD::R1(H),XS(d)
- S(d);OGATE::QAR1(G)
- P(g);N_GUARD::B(F)
- Tries
- Try
- S(I);
- Threat
- P(E)
- Vars
- B(a);OGATE,XP(D)::B(F),XB(a)
- P(g);N_GUARD,XS(I)::B(F)
- S(d);N_GUARD::R1(H)
- S(d);N_GUARD::R1(H),XS(d)
- S(d);OGATE::QAR1(G)
- Refutation
- B(i);
- Try
- B(F);
- Threat
- B(F)
- Vars
- B(a);OGATE,XP(D)::QAB(G),XB(a)
- Q(e);OGATE::QAB(G)
- S(d);N_GUARD::R1(H)
- S(d);N_GUARD::R1(H),XS(d)
- S(d);OGATE::QAR1(G)
- Refutation
- S(d);
- Try
- R(H);CHECK
- Refutation
- S(d);XR(H)
- Try
- Q(G);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(G),XS(d)
- Refutation
- Q(e);XQ(G)
- Try
- Q(G);XS(d)
- Threat
- DUALS(2)
- Vars
- R(h);::R1(H)
- B(i);::QAB(G)
- Refutation
- Q(e);XQ(G)
- Try
- Actual
- S(I);
- Threat
- P(E)
- Vars
- B(a);OGATE,XP(D)::B(F),XB(a)
- P(g);OGATE,XS(I)::B(F),XP(g)
- B(i);N_GUARD::R1(A),XB(i)
- S(d);N_GUARD::S(I),XS(d)
- S(d);N_GUARD::S(I)
- S(d);S_CUTB(i)::R1(A)
Developed and maintained by Brian Stephenson.
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