MESON Chess Problem Database
Problem Display
PID: 67827 (1b5q/rN2n2R/p1p1k2p/Q3PrpB/3RNpK1/1p6/8/B7 w - - 0 1)
Anonymous
Manchester City News, 1915
#2
9 + 12
| 5879 | BCPS Solving Ty. (Derby) | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Sd8#
- 1...Qf6
- 2.Sd8#
- 1...Qg7
- 2.Sd8#
- 1...Qxh7
- 2.Sd8#
- 1...Qd8
- 2.Sxd8#
- 1...Rxe5
- 2.Bf7#
- 1...Rf7
- 2.Bxf7#
- 1...Bxe5
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...Sg8
- 2.Sd8#
- 1...Qxe5
- Tries
- 1.Rd1?
- threat
- 2.Sec5#
- 2.Sbc5#
- 1...Qxe5
- 2.Sd8#
- 1...Rxe5
- 2.Bf7#
- 1...Rxb7
- 2.Sc5#
- 1...Bxe5
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...c5
- 2.Sexc5#
- 2.Sbxc5#
- 1...b2!
- threat
- 1.Rd2?
- threat
- 2.Sec5#
- 2.Sbc5#
- 1...Qxe5
- 2.Sd8#
- 1...Rxe5
- 2.Bf7#
- 1...Rxb7
- 2.Sc5#
- 1...Bxe5
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...c5
- 2.Sexc5#
- 2.Sbxc5#
- 1...b2!
- threat
- 1.Rd3?
- threat
- 2.Sec5#
- 2.Sbc5#
- 1...Qxe5
- 2.Sd8#
- 1...Rxe5
- 2.Bf7#
- 1...Rxb7
- 2.Sc5#
- 1...Bxe5
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...c5
- 2.Sexc5#
- 2.Sbxc5#
- 1...b2!
- threat
- 1.Rd7?
- threat
- 2.Sec5#
- 2.Sbc5#
- 2.Rdxe7#
- 2.Rhxe7#
- 1...Qxe5
- 2.Rdxe7#
- 2.Rhxe7#
- 1...Qxh7
- 2.Sec5#
- 2.Sbc5#
- 1...Rxe5
- 2.Rdxe7#
- 2.Rhxe7#
- 1...Rxb7
- 2.Sc5#
- 2.Rhxe7#
- 1...Bxe5
- 2.Sbc5#
- 2.Rdxe7#
- 2.Rhxe7#
- 1...b2
- 2.Rdxe7#
- 2.Rhxe7#
- 1...Qf6
- 2.Sec5#
- 2.Sbc5#
- 1...Qg7
- 2.Sec5#
- 2.Sbc5#
- 1...Qd8
- 2.Sec5#
- 2.Sbc5#
- 1...Qe8
- 2.Sec5#
- 2.Sbc5#
- 1...Qf8
- 2.Sec5#
- 2.Sbc5#
- 1...Rf7
- 2.Sec5#
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...Sd5
- 2.Sec5#
- 2.Sbc5#
- 1...Sg6
- 2.Sec5#
- 2.Sbc5#
- 1...Sc8
- 2.Sec5#
- 2.Sbc5#
- 1...Sg8
- 2.Sec5#
- 2.Sbc5#
- 2.Sd8#
- 1...c5
- 2.Sexc5#
- 2.Sbxc5#
- 2.Rhxe7#
- 1...Kxd7!
- threat
- 1.Rxh6+?
- 1...Qf6
- 2.Sd8#
- 1...Qxh6
- 2.Sd8#
- 1...Rf6
- 2.Sxg5#
- 1...Sg6!
- 1...Qf6
- 1.Qc7?
- threat
- 2.Sec5#
- 2.Sbc5#
- 2.Rd6#
- 2.Rxe7#
- 2.Qxe7#
- 1...Qxe5
- 2.Sd8#
- 2.Rxe7#
- 2.Qd7#
- 2.Qxe7#
- 1...Qxh7
- 2.Sec5#
- 2.Sbc5#
- 2.Sd8#
- 2.Rd6#
- 1...Rxe5
- 2.Bf7#
- 2.Rd6#
- 2.Rxe7#
- 2.Qd7#
- 2.Qxe7#
- 1...Rxb7
- 2.Sc5#
- 2.Rd6#
- 2.Rxe7#
- 1...b2
- 2.Sec5#
- 2.Sbc5#
- 2.Rxe7#
- 2.Qxe7#
- 1...Qf6
- 2.Sec5#
- 2.Sbc5#
- 2.Sd8#
- 2.Rd6#
- 1...Qg7
- 2.Sec5#
- 2.Sbc5#
- 2.Sd8#
- 2.Rd6#
- 1...Qd8
- 2.Sec5#
- 2.Sbc5#
- 2.Sxd8#
- 1...Qe8
- 2.Sec5#
- 2.Sbc5#
- 2.Rd6#
- 1...Qf8
- 2.Sec5#
- 2.Sbc5#
- 2.Rd6#
- 1...Rf7
- 2.Sec5#
- 2.Sbc5#
- 2.Bxf7#
- 2.Rd6#
- 1...Sd5
- 2.Sec5#
- 2.Sbc5#
- 1...Sg6
- 2.Sec5#
- 2.Sbc5#
- 2.Rd6#
- 1...Sc8
- 2.Sec5#
- 2.Sbc5#
- 1...Sg8
- 2.Sec5#
- 2.Sbc5#
- 2.Sd8#
- 2.Rd6#
- 1...c5
- 2.Sexc5#
- 2.Sbxc5#
- 2.Rd6#
- 2.Rxe7#
- 2.Qxe7#
- 1...Bxc7!
- threat
- 1.Rd1?
- Keys
- 1.Qe1!
- threat
- 2.Sec5#
- 1...Kxe5
- 2.Rxe7#
- 1...Qxe5
- 2.Sd8#
- 1...Rxe5
- 2.Bf7#
- 1...Bxe5
- 2.Sbc5#
- 1...Bd6
- 2.Rxd6#
- 1...c5
- 2.Sexc5#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(l);N_GUARD,XP(F)::S(H)
- Q(l);N_GUARD::S(H)
- Q(l);N_GUARD,XR(I)::S(H)
- Q(l);N_GUARD::S(H),XQ(l)
- R(c);N_GUARD,XP(F)::B(G)
- R(c);N_GUARD::B(G),XR(c)
- B(k);SBLOCK,XP(F)::S(H)
- B(k);N_GUARD::R1(B),XB(k)
- S(j);S_CUTQ(l)::S(H)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- Q(l);N_GUARD,XP(F)::S(H)
- R(c);N_GUARD,XP(F)::B(G)
- R(i);XS(H)::S(C)
- B(k);XP(F)::S(H)
- B(k);N_GUARD::R1(B),XB(k)
- Refutation
- P(a);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- Q(l);N_GUARD,XP(F)::S(H)
- R(c);N_GUARD,XP(F)::B(G)
- R(i);XS(H)::S(C)
- B(k);XP(F)::S(H)
- B(k);N_GUARD::R1(B),XB(k)
- Refutation
- P(a);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- Q(l);N_GUARD,XP(F)::S(H)
- R(c);N_GUARD,XP(F)::B(G)
- R(i);XS(H)::S(C)
- B(k);XP(F)::S(H)
- B(k);N_GUARD::R1(B),XB(k)
- Refutation
- P(a);
- Try
- R(B);
- Threat
- DUALS(4)
- Vars
- B(k);N_GUARD::R1(B),XB(k)
- Refutation
- K(g);P_SPINS(j),S_FLIGHT,XR(B)
- Try
- R(I);CHECK,XP(h)
- Vars
- Q(l);P_SPINQ(l)::S(H)
- Q(l);XR(I)::S(H)
- R(c);P_SPINR(c)::S(C),XP(d)
- Refutation
- S(j);P_SPINS(j)
- Try
- Q(E);
- Threat
- DUALS(5)
- Refutation
- B(k);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- S(C)
- Vars
- K(g);P-FLIGHT,XP(F)::R(I),XS(j)
- Q(l);N_GUARD,SBLOCK,XP(F)::S(H)
- R(c);N_GUARD,SBLOCK,XP(F)::B(G)
- B(k);SBLOCK,XP(F)::S(H)
- B(k);N_GUARD::R1(B),XB(k)
- P(f);::S(C),XP(f)
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