MESON Chess Problem Database
Problem Display
PID: 178508 (6Rr/KnpPk1P1/2RnP3/1p6/4N3/1Br3B1/8/Q7 w - - 0 1)
Morse, Christopher Jeremy
Busmen's Chess Review, 1965
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qf6#
- 1...Rc2
- 2.Qf6#
- 1...Rxb3
- 2.Qf6#
- 1...Rd3
- 2.Qf6#
- 1...Re3
- 2.Qf6#
- 1...Rxg3
- 2.Qf6#
- 1...Rc4
- 2.Qf6#
- 1...Rc5
- 2.Qf6#
- 1...Rxc6
- 2.Qf6#
- 1...Rh4
- 2.Bxh4#
- 1...Rxg8
- 2.Bh4#
- 1...Sc8+
- 2.dxc8S#
- 1...Se8
- 2.dxe8Q#
- 2.dxe8R#
- 1...Sa5
- 2.d8Q#
- 2.d8B#
- 1...Sc5
- 2.d8Q#
- 2.d8B#
- 1...Rc1
- Tries
- 1.Bxd6+?
- 1...Sxd6
- 2.d8Q#
- 2.d8B#
- 1...cxd6!
- 1...Sxd6
- 1.Re8+?
- 1...Rxe8
- 2.Bh4#
- 1...Sxe8!
- 1...Rxe8
- 1.gxh8Q?
- threat
- 2.Bh4#
- 2.Qf6#
- 2.Qh4#
- 1...Sc8+
- 2.dxc8S#
- 1...Rxb3
- 2.Qaf6#
- 2.Qhf6#
- 1...Rxg3
- 2.Qaf6#
- 2.Qhf6#
- 1...Sxe4
- 2.Re8#
- 2.Qg7#
- 1...Rc4
- 2.Qaf6#
- 2.Qhf6#
- 1...Se8
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rc5
- 2.Qaf6#
- 2.Qhf6#
- 1...Sf5
- 2.Re8#
- 2.Qf6#
- 1...Sf7
- 2.Re8#
- 2.Qf6#
- 1...Rf3!
- threat
- 1.gxh8S?
- threat
- 2.Sg6#
- 2.Bh4#
- 1...Sc8+
- 2.dxc8S#
- 1...Rxb3
- 2.Qf6#
- 1...Rxg3
- 2.Qf6#
- 1...Rc4
- 2.Qf6#
- 1...Se8
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rf3
- 2.Sg6#
- 1...Rc5
- 2.Sg6#
- 2.Qf6#
- 1...Sf5
- 2.Sg6#
- 2.Re8#
- 1...Sf7
- 2.Sg6#
- 2.Re8#
- 1...Sxe4!
- threat
- 1.gxh8B?
- threat
- 2.Bh4#
- 2.Bf6#
- 1...Sc8+
- 2.dxc8S#
- 1...Rxb3
- 2.Qf6#
- 1...Rxg3
- 2.Bf6#
- 2.Qf6#
- 1...Sxe4
- 2.Re8#
- 1...Rc4
- 2.Qf6#
- 1...Se8
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rc5
- 2.Bf6#
- 2.Qf6#
- 1...Sf5
- 2.Bf6#
- 2.Re8#
- 1...Sf7
- 2.Bf6#
- 2.Re8#
- 1...Rf3!
- threat
- 1.Bxd6+?
- Keys
- 1.Rxc7!
- threat
- 2.d8Q#
- 2.d8B#
- 1...Sc8+
- 2.dxc8S#
- 1...Rxg3
- 2.Qf6#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rxc7
- 2.Qf6#
- 1...Rxg8
- 2.Bh4#
- 1...Sxe4
- 2.d8Q#
- 2.d8B#
- 1...Rc4
- 2.Qf6#
- 1...Se8
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rf3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rc1
- 2.Qf6#
- 2.d8Q#
- 2.d8B#
- 1...Rc2
- 2.Qf6#
- 2.d8Q#
- 2.d8B#
- 1...Rd3
- 2.Qf6#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Re3
- 2.Qf6#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rc5
- 2.Qf6#
- 2.d8Q#
- 2.d8B#
- 1...Rc6
- 2.Qf6#
- 2.d8Q#
- 2.d8B#
- 1...Rh1
- 2.d8Q#
- 2.d8B#
- 1...Rh2
- 2.d8Q#
- 2.d8B#
- 1...Rh3
- 2.d8Q#
- 2.d8B#
- 1...Rh4
- 2.Bxh4#
- 2.d8Q#
- 2.d8B#
- 1...Rh5
- 2.d8Q#
- 2.d8B#
- 1...Rh6
- 2.d8Q#
- 2.d8B#
- 1...Rh7
- 2.d8Q#
- 2.d8B#
- 1...Sf5
- 2.d8Q#
- 2.d8B#
- 1...Sf7
- 2.d8Q#
- 2.d8B#
- 1...Sa5
- 2.Bxd6#
- 2.d8Q#
- 2.d8B#
- 1...Sc5
- 2.Bxd6#
- 2.d8Q#
- 2.d8B#
- 1...Sd8
- 2.Bxd6#
- 1...b4
- 2.d8Q#
- 2.d8B#
- threat
- 1.Rxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(a);OGATE::QAB1(A)
- R(a);OGATE,XB(B)::QAB1(A)
- R(a);OGATE,XB(C)::QAB1(A)
- R(a);OGATE,XR(E)::QAB1(A)
- R(g);N_GUARD::B(C),XR(g)
- R(g);N_GUARD,XR(J)::B(C)
- S(c);CHECK,OGATE::PXS(c)=S
- S(c);OGATE::PXS(c)=Q
- S(d);N_GUARD::P=Q
- Tries
- Try
- B(C);CHECK,XS(c)
- Vars
- S(d);XB(C)::P=Q
- Refutation
- P(e);XB(C)
- Try
- R(J);CHECK
- Vars
- R(g);XR(J)::B(C)
- Refutation
- S(c);XR(J)
- Try
- P(I);XR(g)
- Threat
- DUALS(3)
- Vars
- S(c);CHECK,OGATE::PXS(c)=S
- Refutation
- R(a);
- Try
- P(I);XR(g)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,OGATE::PXS(c)=S
- R(a);OGATE,XB(B)::QAB1(A)
- R(a);OGATE,XB(C)::QAB1(A)
- R(a);OGATE::QAB1(A)
- R(a);::S(I)
- Refutation
- S(c);XS(D)
- Try
- P(I);XR(g)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,OGATE::PXS(c)=S
- R(a);OGATE,XB(B)::QAB1(A)
- S(c);N_GUARD,XS(D)::R1(J)
- R(a);OGATE::QAB1(A)
- Refutation
- R(a);
- Try
- Actual
- R(E);XP(e)
- Threat
- P=Q
- Vars
- S(c);CHECK,OGATE::PXS(c)=S
- R(a);OGATE,XR(E)::QAB1(A)
- R(g);N_GUARD,XR(J)::B(C)
- S(c);XS(D)::P=Q
- R(a);OGATE::QAB1(A)
- S(c);OGATE::PXS(c)=Q
- R(g);::P=Q
- S(c);::P=Q
- S(d);N_GUARD::B(C),XS(c)
- P(b);::P=Q
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