MESON Chess Problem Database
Problem Display
PID: 79782 (1b1n3B/2P4R/r3k3/1NP5/1p1p4/r2n1QK1/4B3/qb6 w - - 0 1)
Savournin, Jacques
5th HM., BCF 113. Ty., 1966-1967
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Ba7
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sc1
- 2.Bc4#
- 1...Se1
- 2.Bc4#
- 1...Sb2
- 2.Sxd4#
- 1...Sf2
- 2.Bc4#
- 1...Sf4
- 2.c8Q#
- 2.c8B#
- 1...Sxc5
- 2.Bc4#
- 1...Se5
- 2.cxd8S#
- 1...Sc6
- 2.Qf7#
- 1...Sb7
- 2.Qf7#
- 1...Sf7
- 2.Qxf7#
- 1...Qa2
- Tries
- 1.Kh4?
- threat
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Bc4#
- 2.cxd8S#
- 1...Sf4
- 2.c8Q#
- 2.c8B#
- 1...Sf7
- 2.Qxf7#
- 1...Qb2
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Qc3
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Qa2
- 2.Sxd4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Ra2
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Rb3
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Rc3
- 2.Sxd4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...R3a4
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...R3a5
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...R6a4
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...R6a5
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Rb6
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Rc6
- 2.cxd8S#
- 1...Ra7
- 2.cxd8S#
- 1...Ra8
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Ba2
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Bc2
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Ba7
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Sc1
- 2.Bc4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Se1
- 2.Bc4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Sb2
- 2.Sxd4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Sf2
- 2.Bc4#
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Se5
- 2.cxd8S#
- 1...Sc6
- 2.Qf7#
- 2.c8Q#
- 2.c8B#
- 1...Sb7
- 2.Qf7#
- 2.c8Q#
- 2.c8B#
- 1...b3
- 2.cxd8S#
- 2.c8Q#
- 2.c8B#
- 1...Rd6!
- threat
- 1.Rf7?
- threat
- 2.Qf5#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sxc5
- 2.Bc4#
- 1...Sf4
- 2.cxd8S#
- 1...Sc1
- 2.Bc4#
- 1...Se1
- 2.Bc4#
- 1...Sb2
- 2.Sxd4#
- 1...Sf2
- 2.Bc4#
- 1...Se5
- 2.cxd8S#
- 1...Sxf7!
- threat
- 1.cxb8Q?
- threat
- 2.Sc7#
- 2.Qc8#
- 1...Sxc5
- 2.Bc4#
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 2.Qc8#
- 1...Sf7
- 2.Qxf7#
- 2.Qe8#
- 1...Rd6
- 2.Sc7#
- 2.Qxd6#
- 1...Ra7
- 2.Qd6#
- 1...Ra8
- 2.Sc7#
- 2.Qd6#
- 1...Se5
- 2.Sc7#
- 2.Qxe5#
- 1...Rc6!
- threat
- 1.Kh4?
- Keys
- 1.Bf1!
- threat
- 2.Bh3#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sxc5
- 2.Bc4#
- 1...Sf4
- 2.c8Q#
- 2.c8B#
- 1...Sf7
- 2.Qxf7#
- 1...Sc1
- 2.Bc4#
- 1...Se1
- 2.Bc4#
- 1...Sb2
- 2.Sxd4#
- 1...Sf2
- 2.Bc4#
- 1...Se5
- 2.cxd8S#
- threat
- 1.Bf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD::S(D),XP(f)
- R(c);S_CUTQ(a)::S(D),XP(f)
- B(i);CHECK,XP(F)::S(D),XB(i)
- S(d);OGATE,P_PINQ(B)::B(A)
- S(d);P_PINQ(B),S_CUTQ(a)::S(D),XP(f)
- S(d);N_PINP(F),P_PINQ(B)::P=Q
- S(d);OGATE,P_PINQ(B),XP(E)::B(A)
- S(d);N_PINP(F),P_PINQ(B)::PXS(j)=S
- S(j);N_GUARD::QAB1(B)
- S(j);N_GUARD::QAB1(B),XS(j)
- Tries
- Try
- K(C);N_SPINP(F),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- B(i);XP(F)::S(D),XB(i)
- S(d);::P=Q
- S(j);N_GUARD::QAB1(B),XS(j)
- R(g);::PXS(j)=S
- S(d);::PXS(j)=S
- Refutation
- R(g);
- Try
- R(G);
- Threat
- QAB1(B)
- Vars
- B(i);CHECK,XP(F)::S(D),XB(i)
- S(d);OGATE,P_PINQ(B),XP(E)::B(A)
- S(d);N_PINP(F),P_PINQ(B)::PXS(j)=S
- S(d);OGATE,P_PINQ(B)::B(A)
- S(d);P_PINQ(B),S_CUTQ(a)::S(D),XP(f)
- Refutation
- S(j);XR(G)
- Try
- P(F);N_SPINP(F),XB(i)
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD::QAR1(F)
- Refutation
- R(g);
- Try
- Actual
- B(A);
- Threat
- B(A)
- Vars
- B(i);CHECK,XP(F)::S(D),XB(i)
- S(d);OGATE,P_PINQ(B),XP(E)::B(A)
- S(d);N_PINP(F),P_PINQ(B)::P=Q
- S(j);N_GUARD::QAB1(B),XS(j)
- S(d);OGATE,P_PINQ(B)::B(A)
- S(d);P_PINQ(B),S_CUTQ(a)::S(D),XP(f)
- S(d);N_PINP(F),P_PINQ(B)::PXS(j)=S
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