MESON Chess Problem Database
Problem Display
PID: 258741 (1R3rkb/5bqp/7P/7n/4N1R1/8/B6Q/BK6 w - - 0 1)
Nield, Joshua
Manchester Weekly Times, 1892
(First published on Fri Sep 9 1892)
#2
8 + 7
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxb8+
- 2.Qxb8#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Rxe8#
- 1...Bxa2+
- 2.Qxa2#
- 1...Bb3
- 2.Bxb3#
- 1...Bc4
- 2.Bxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Rxb8+
- Tries
- 1.Bxg7?
- threat
- 2.Rxf8#
- 1...Rxb8+
- 2.Qxb8#
- 1...Bxa2+
- 2.Qxa2#
- 1...Sxg7
- 2.Sf6#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Rxe8#
- 1...Bxg7!
- threat
- 1.Rxg7+?
- 1...Sxg7
- 2.Sf6#
- 1...Bxg7!
- 1...Sxg7
- 1.Qf4?
- threat
- 2.Bxf7#
- 2.Qxf7#
- 1...Rxb8+
- 2.Qxb8#
- 1...Sxf4
- 2.Sf6#
- 1...Rc8
- 2.Rxc8#
- 2.Qxf7#
- 1...Rd8
- 2.Rxd8#
- 2.Qxf7#
- 1...Re8
- 2.Rxe8#
- 2.Qxf7#
- 1...Bb3
- 2.Bxb3#
- 2.Rxf8#
- 2.Qxf8#
- 1...Bc4
- 2.Bxc4#
- 2.Rxf8#
- 2.Qxf8#
- 1...Bd5
- 2.Bxd5#
- 2.Rxf8#
- 2.Qxf8#
- 1...Be6
- 2.Bxe6#
- 2.Rxf8#
- 2.Qxf8#
- 1...Sf6
- 2.Sxf6#
- 1...Bxa2+!
- threat
- 1.Qe5?
- 1...Rxb8+
- 2.Qxb8#
- 1...Qxg4
- 2.Qxh8#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Rxe8#
- 2.Qxe8#
- 1...Bb3
- 2.Bxb3#
- 1...Bc4
- 2.Bxc4#
- 1...Bd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6
- 2.Bxe6#
- 2.Qxe6#
- 1...Qg5
- 2.Qxh8#
- 1...Qg6
- 2.Qxh8#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Bxa2+!
- 1...Rxb8+
- 1.Qd6?
- threat
- 2.Rxf8#
- 2.Qxf8#
- 1...Rxb8+
- 2.Qxb8#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 2.Qxd8#
- 1...Re8
- 2.Rxe8#
- 1...Bxa2+!
- threat
- 1.Qc7?
- threat
- 2.Bxf7#
- 2.Qxf7#
- 1...Rxb8+
- 2.Qxb8#
- 1...Rc8
- 2.Rxc8#
- 2.Qxf7#
- 2.Qxc8#
- 1...Rd8
- 2.Rxd8#
- 2.Qxd8#
- 2.Qxf7#
- 1...Re8
- 2.Rxe8#
- 2.Qxf7#
- 1...Bb3
- 2.Bxb3#
- 1...Bc4
- 2.Bxc4#
- 2.Qxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Bxa2+!
- threat
- 1.Qf2?
- threat
- 2.Bxf7#
- 2.Qxf7#
- 1...Bxa2+
- 2.Qxa2#
- 1...Rc8
- 2.Rxc8#
- 2.Qxf7#
- 1...Rd8
- 2.Rxd8#
- 2.Qxf7#
- 1...Re8
- 2.Rxe8#
- 2.Qxf7#
- 1...Bb3
- 2.Bxb3#
- 2.Rxf8#
- 2.Qxf8#
- 1...Bc4
- 2.Bxc4#
- 2.Rxf8#
- 2.Qxf8#
- 1...Bd5
- 2.Bxd5#
- 2.Rxf8#
- 2.Qxf8#
- 1...Be6
- 2.Bxe6#
- 2.Rxf8#
- 2.Qxf8#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Rxb8+!
- threat
- 1.hxg7?
- threat
- 2.Rxf8#
- 2.gxf8Q#
- 2.gxf8R#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rxb8+
- 2.Qxb8#
- 1...Bxa2+
- 2.Qxa2#
- 1...Sxg7
- 2.Sf6#
- 1...h6
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rc8
- 2.Rxc8#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rd8
- 2.Rxd8#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Re8
- 2.Rxe8#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Sg3
- 2.Sf6#
- 2.Rxf8#
- 2.gxf8Q#
- 2.gxf8R#
- 2.gxh8Q#
- 2.gxh8S#
- 2.gxh8B#
- 2.gxh8R#
- 1...Sf4
- 2.Sf6#
- 2.Rxf8#
- 2.gxf8Q#
- 2.gxf8R#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bxg7!
- threat
- 1.Bxg7?
- Keys
- 1.Qb2!
- 1...Bxa2+
- 2.Qxa2#
- 1...Qxg4
- 2.Qxh8#
- 1...Rxb8
- 2.Qxb8#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Rxe8#
- 1...Bb3
- 2.Bxb3#
- 2.Qxb3#
- 1...Bc4
- 2.Bxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Qg5
- 2.Qxh8#
- 1...Qg6
- 2.Qxh8#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Bxa2+
- 1.Qb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- R(e);OGATEB::R(H),XR(e)
- B(b);CHECK,N_SPINB(b),OGATE,XB(C)::QAB(D),XB(b)
- B(b);OGATEB::B(C),XB(b)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Tries
- Try
- B(A);XQ(c)
- Threat
- R1(H),XR(e)
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- B(b);CHECK,N_SPINB(b),OGATE,XB(C)::QAB(D),XB(b)
- S(a);N_GUARD,P_SPINS(a),XB(A)::S(E)
- R(e);OGATEB::R(H),XR(e)
- Refutation
- B(g);XB(A)
- Try
- R(F);CHECK,XQ(c)
- Vars
- S(a);XR(F)::S(E)
- Refutation
- B(g);XR(F)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- S(a);N_GUARD,XQ(D)::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(b);CHECK,N_SPINB(b),XB(C)
- Try
- Q(D);
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- Q(c);N_SPINQ(c),OGATE,XR(F)::QAR1(D),XB(g)
- R(e);OGATEB::R(H),XR(e)
- B(b);OGATEB::B(C),XB(b)
- Q(c);OGATE::QAR1(D),XB(g)
- Q(c);OGATE,P_PINS(E)::QAR1(D),XB(g)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(b);CHECK,N_SPINB(b),XB(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- R(e);OGATEB::R(H),XR(e)
- Refutation
- B(b);CHECK,N_SPINB(b),XB(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- B(b);OGATEB::B(C),XB(b)
- Refutation
- B(b);CHECK,N_SPINB(b),XB(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_SPINB(b),OGATE,XB(C)::QAB(D),XB(b)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(e);CHECK,N_SPINR(e),XR(H)
- Try
- P(G);XQ(c)
- Threat
- DUALS(5)
- Vars
- R(e);CHECK,N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- B(b);CHECK,N_SPINB(b),OGATE,XB(C)::QAB(D),XB(b)
- S(a);N_GUARD,P_SPINS(a),XP(G)::S(E)
- P(d);::PXB(g)=Q
- Refutation
- B(g);XP(G)
- Try
- Actual
- Q(D);
- Vars
- B(b);CHECK,N_SPINB(b),OGATE,XB(C)::QAB(D),XB(b)
- Q(c);N_SPINQ(c),OGATE,XR(F)::QAR1(D),XB(g)
- R(e);N_SPINR(e),OGATE,P_PINQ(D),XR(H)::QAR(D),XR(e)
- R(e);OGATEB::R(H),XR(e)
- B(b);OGATEB::B(C),XB(b)
- Q(c);OGATE::QAR1(D),XB(g)
- Q(c);OGATE,P_PINS(E)::QAR1(D),XB(g)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
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