MESON Chess Problem Database
Problem Display
PID: 155171 (4BK2/1NPr1n2/bNP1k3/4Pp2/1Q6/8/3r4/4R1b1 w - - 0 1)
Shiel, George
Leeds Mercury Weekly Supplement, 1879
(First published on Thu Nov 13 1879)
#2
9 + 7
| 15239 | Valois Notebooks | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bxd7#
- 1...Rb2
- 2.Bxd7#
- 1...Rc2
- 2.Bxd7#
- 1...Rf2
- 2.Sc5#
- 2.Bxd7#
- 1...Rg2
- 2.Bxd7#
- 1...Rh2
- 2.Bxd7#
- 1...R2d4
- 2.Sc5#
- 1...Rd3
- 2.Bxf7#
- 2.Qe7#
- 1...R7d4
- 2.Sc5#
- 2.Bxf7#
- 2.Qe7#
- 1...Rd5
- 2.Bxf7#
- 2.Qe7#
- 1...Rd6
- 2.Bxf7#
- 1...Re7
- 2.Qxe7#
- 1...Rd8
- 2.Qe7#
- 1...Bh2
- 2.Sc5#
- 1...Bd4
- 2.Bxd7#
- 1...Bc5+
- 2.Sxc5#
- 1...Bd3
- 2.Bxd7#
- 1...Sd6
- 2.Bxd7#
- 1...Ra2
- Tries
- 1.Sd8+?
- 1...Rxd8
- 2.Qe7#
- 1...Sxd8!
- 1...Rxd8
- 1.Qd6+?
- 1...R7xd6
- 2.Bxf7#
- 1...Sxd6
- 2.Bxd7#
- 1...R2xd6!
- 1...R7xd6
- 1.Qb3+?
- 1...R2d5
- 2.Bxd7#
- 1...R7d5
- 2.Bd7#
- 2.Bxf7#
- 2.c8Q#
- 2.c8B#
- 1...Bc4!
- 1...R2d5
- 1.Qc4+?
- 1...R2d5
- 2.Bxd7#
- 1...R7d5
- 2.Bd7#
- 2.Bxf7#
- 2.c8Q#
- 2.c8B#
- 1...Bxc4!
- 1...R2d5
- 1.Qh4?
- threat
- 2.Qf6#
- 1...Bc5+
- 2.Sxc5#
- 1...Sxe5
- 2.Qh6#
- 1...Sg5
- 2.Qh6#
- 1...Bxb6!
- threat
- 1.c8Q?
- threat
- 2.Bxf7#
- 2.Qe7#
- 1...Bc5+
- 2.Sxc5#
- 1...Bxb6
- 2.Bxf7#
- 1...Sxe5
- 2.Qe7#
- 1...Re2
- 2.Qe7#
- 1...Be3
- 2.Qe7#
- 1...Be2
- 2.Qe7#
- 1...Rd6
- 2.Bxf7#
- 1...Sg5
- 2.Sd8#
- 2.Qe7#
- 1...Sd6
- 2.Sd8#
- 2.Bxd7#
- 2.Qxd7#
- 1...Sh6
- 2.Sd8#
- 2.Qe7#
- 1...Sd8
- 2.Sxd8#
- 2.Qe7#
- 1...Sh8
- 2.Sd8#
- 2.Qe7#
- 1...f4!
- threat
- 1.c8B?
- threat
- 2.Bxf7#
- 2.Qe7#
- 1...Bc5+
- 2.Sxc5#
- 1...Bxb6
- 2.Bxf7#
- 1...Sxe5
- 2.Qe7#
- 1...Re2
- 2.Qe7#
- 1...Be3
- 2.Qe7#
- 1...Be2
- 2.Qe7#
- 1...Rd6
- 2.Bxf7#
- 1...Sg5
- 2.Sd8#
- 2.Qe7#
- 1...Sd6
- 2.Sd8#
- 2.Bcxd7#
- 2.Bexd7#
- 1...Sh6
- 2.Sd8#
- 2.Qe7#
- 1...Sd8
- 2.Sxd8#
- 2.Qe7#
- 1...Sh8
- 2.Sd8#
- 2.Qe7#
- 1...f4!
- threat
- 1.Sd8+?
- Keys
- 1.Qd4!
- threat
- 2.Sc5#
- 2.Bxd7#
- 1...R2xd4
- 2.Sc5#
- 1...R7xd4
- 2.Sc5#
- 2.Bxf7#
- 1...Rxc7
- 2.Sc5#
- 1...Bxd4
- 2.Bxd7#
- 1...Bxb7
- 2.Bxd7#
- 1...Sxe5
- 2.Qxe5#
- 1...f4
- 2.Bxd7#
- 1...Rc2
- 2.Bxd7#
- 2.Qxd7#
- 1...Rd5
- 2.Bxf7#
- 1...Rd6
- 2.Sc5#
- 2.Bxf7#
- 1...Re7
- 2.Sc5#
- 1...Rd8
- 2.Sc5#
- threat
- 1.Qd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- R(b);N_GUARD::B(H),XR(f)
- R(b);S_CUTB(a)::S(F)
- R(f);N_GUARD::B(H),XS(g)
- R(f);N_GUARD::QAR1(B),XR(f)
- R(f);N_GUARD,P_PINB(H)::QAR1(B)
- B(a);N_GUARD::S(F)
- B(a);S_CUTR(b)::B(H),XR(f)
- B(a);CHECK,N_GUARD::S(F),XB(a)
- B(d);S_CUTR(b)::B(H),XR(f)
- S(g);S_CUTR(b)::B(H),XR(f)
- Tries
- Try
- S(F);CHECK
- Vars
- R(f);P_PINB(H),XS(F)::QAR1(B)
- Refutation
- S(g);XS(F)
- Try
- Q(B);CHECK
- Vars
- R(f);XQ(B)::B(H),XS(g)
- S(g);XQ(B)::B(H),XR(f)
- Refutation
- R(b);XQ(B)
- Try
- Q(B);CHECK
- Vars
- R(b);P_SPINR(b)::B(H),XR(f)
- Refutation
- B(d);P_SPINB(d)
- Try
- Q(B);CHECK
- Vars
- R(b);P_SPINR(b)::B(H),XR(f)
- Refutation
- B(d);XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- B(a);CHECK,N_GUARD::S(F),XB(a)
- S(g);N_GUARD,P_SPINS(g),XP(C)::QAR(B)
- S(g);N_GUARD::QAR(B)
- Refutation
- B(a);XS(D)
- Try
- P(G);P_PINR(f)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::S(F),XB(a)
- B(a);XS(D)::B(H),XS(g)
- S(g);P_SPINS(g),XP(C)::QAR1(B)
- R(b);::QAR1(B)
- B(a);::QAR1(B)
- B(d);::QAR1(B)
- R(b);::B(H),XS(g)
- Refutation
- P(c);
- Try
- P(G);P_PINR(f)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::S(F),XB(a)
- B(a);XS(D)::B(H),XS(g)
- S(g);P_SPINS(g),XP(C)::QAR1(B)
- R(b);::QAR1(B)
- B(a);::QAR1(B)
- B(d);::QAR1(B)
- R(b);::B(H),XS(g)
- Refutation
- P(c);
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);XQ(B)::S(F)
- R(f);XP(G)::S(F)
- B(a);XQ(B)::B(H),XR(f)
- B(d);XS(F)::B(H),XR(f)
- S(g);OGATE,P_SPINS(g),XP(C)::QAR1(B),XS(g)
- P(c);::B(H),XR(f)
- R(f);N_GUARD::B(H),XS(g)
- R(f);::S(F)
- R(f);P_PINB(H)::S(F)
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