MESON Chess Problem Database
Problem Display
PID: 261863 (1n1Nr3/2P5/kPP2r2/PR6/KpR5/7b/6nb/5B2 w - - 0 1)
Lipton, Michael
4th Comm., British Chess Magazine, 1971
#2
9 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.cxb8S#
- 1...Rf5
- 2.c8Q#
- 2.c8B#
- 1...Rd6
- 2.cxb8S#
- 1...Rfe6
- 2.c8Q#
- 2.c8B#
- 1...Re5
- 2.cxb8S#
- 1...Ree6
- 2.c8Q#
- 2.c8B#
- 1...Bg1
- 2.cxb8S#
- 1...Sf4
- 2.cxb8S#
- 1...Sd7
- 2.c8Q#
- 2.c8B#
- 1...Rf4
- Tries
- 1.Re5?
- threat
- 2.Rf4#
- 2.cxb8S#
- 1...Rxf1
- 2.cxb8S#
- 1...Rxc6
- 2.Rcc5#
- 2.Rxc6#
- 2.cxb8S#
- 1...Rxe5
- 2.cxb8S#
- 1...Bxe5
- 2.Rf4#
- 1...Sxc6
- 2.Rf4#
- 1...Rf2
- 2.cxb8S#
- 1...Rf3
- 2.cxb8S#
- 1...Rf4
- 2.Rxf4#
- 2.cxb8S#
- 1...Rd6
- 2.Rd4#
- 2.cxb8S#
- 1...Bf4
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxb4#
- 2.Rd4#
- 2.Rce4#
- 2.Rxf4#
- 2.Rcc5#
- 2.cxb8S#
- 1...Bg4
- 2.cxb8S#
- 1...Bf5
- 2.Rce4#
- 2.cxb8S#
- 1...Be6
- 2.cxb8S#
- 1...Se1
- 2.cxb8S#
- 1...Se3
- 2.cxb8S#
- 1...Sf4
- 2.cxb8S#
- 1...Sh4
- 2.cxb8S#
- 1...Sd7
- 2.Rf4#
- 2.c8Q#
- 2.c8B#
- 1...Rxd8!
- threat
- 1.Rf5?
- threat
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rxf5
- 2.c8Q#
- 2.c8B#
- 1...Rxd8
- 2.Rd4#
- 1...Bxc7
- 2.Re4#
- 1...Bxf5
- 2.Re4#
- 1...Sxc6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rd6
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Rfe6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rg6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rh6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rf7
- 2.Re4#
- 1...Rff8
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Re1
- 2.c8Q#
- 2.c8B#
- 1...Re2
- 2.c8Q#
- 2.c8B#
- 1...Re3
- 2.c8Q#
- 2.c8B#
- 1...Re4
- 2.Rxe4#
- 2.c8Q#
- 2.c8B#
- 1...Re5
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Ree6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Re7
- 2.Re4#
- 1...Ref8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxb4#
- 2.Rd4#
- 2.Re4#
- 2.Rcf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rcc5#
- 2.c8Q#
- 2.c8B#
- 1...Rg8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxb4#
- 2.Rd4#
- 2.Re4#
- 2.Rcf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rcc5#
- 2.c8Q#
- 2.c8B#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxb4#
- 2.Rd4#
- 2.Re4#
- 2.Rcf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rcc5#
- 2.c8Q#
- 2.c8B#
- 1...Bg1
- 2.Re4#
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Bg3
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Bf4
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Be5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxb4#
- 2.Rd4#
- 2.Re4#
- 2.Rcf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rc5#
- 2.c8Q#
- 2.c8B#
- 1...Bd6
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Bg4
- 2.c8Q#
- 2.c8B#
- 1...Se1
- 2.c8Q#
- 2.c8B#
- 1...Se3
- 2.c8Q#
- 2.c8B#
- 1...Sf4
- 2.cxb8S#
- 2.c8Q#
- 2.c8B#
- 1...Sh4
- 2.c8Q#
- 2.c8B#
- 1...Sd7
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...b3
- 2.Re4#
- 2.c8Q#
- 2.c8B#
- 1...Rxc6!
- threat
- 1.Re5?
- Keys
- 1.Rf4!
- threat
- 2.Re5#
- 2.cxb8S#
- 1...Rxf4
- 2.cxb8S#
- 1...Rxc6
- 2.cxb8S#
- 1...Rxd8
- 2.Rd5#
- 1...Bxf4
- 2.Re5#
- 1...Sxf4
- 2.cxb8S#
- 1...Sxc6
- 2.Re5#
- 1...Rd6
- 2.cxb8S#
- 1...Re1
- 2.cxb8S#
- 1...Re2
- 2.cxb8S#
- 1...Re3
- 2.cxb8S#
- 1...Re4
- 2.cxb8S#
- 1...Re5
- 2.Rxe5#
- 2.cxb8S#
- 1...Bg4
- 2.cxb8S#
- 1...Bf5
- 2.cxb8S#
- 1...Be6
- 2.Rd5#
- 2.cxb8S#
- 1...Se1
- 2.cxb8S#
- 1...Se3
- 2.cxb8S#
- 1...Sh4
- 2.cxb8S#
- 1...Sd7
- 2.Re5#
- 2.c8Q#
- 2.c8B#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 2
- Sets
- R(f);S_CUTB(b)::PXS(g)=S
- R(f);S_CUTB(c)::P=Q
- R(h);S_CUTB(b)::PXS(g)=S
- R(h);S_CUTB(c)::P=Q
- B(b);N_GUARD::PXS(g)=S
- S(a);S_CUTB(b)::PXS(g)=S
- S(g);S_CUTB(c)::P=Q
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(f);XB(A)::PXS(g)=S
- R(h);XR(E)::PXS(g)=S
- B(b);XR(E)::B(A)+R(C)
- S(g);XP(G)::B(A)+R(C)
- R(f);::PXS(g)=S
- B(c);::PXS(g)=S
- S(a);::PXS(g)=S
- Refutation
- R(h);XS(I)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(f);XR(E)::P=Q
- R(h);N_GUARD,XS(I)::B(A)+R(C)
- B(b);XP(H)::B(A)+R(C)
- B(c);XR(E)::B(A)+R(C)
- R(f);::B(A)+R(C)
- R(h);::P=Q
- R(h);::B(A)+R(C)
- B(c);::P=Q
- S(a);::P=Q
- Refutation
- R(f);XP(G)
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- R(f);XR(C)::PXS(g)=S
- R(f);XP(G)::PXS(g)=S
- R(h);N_GUARD,XS(I)::B(A)+R(E)
- B(b);XR(C)::B(A)+R(E)
- S(a);XR(C)::PXS(g)=S
- S(g);XP(G)::B(A)+R(E)
- R(f);::PXS(g)=S
- R(h);::PXS(g)=S
- B(c);::PXS(g)=S
- S(a);::PXS(g)=S
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