MESON Chess Problem Database
Problem Display
PID: 530 (7Q/1B1pbpP1/4q3/3P1P1R/4k3/pR1p1NP1/K5P1/6B1 w - - 0 1)
Mansfield, Comins
The Observer, 1959
(First published on Sun Jul 19 1959)
#2
12 + 7
| 3550 | Complete Mansfield/II | 1997 |
| 17397 | Ling Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Sd2#
- 1...Qf6
- 2.d6#
- 1...Qg6
- 2.d6#
- 1...Qh6
- 2.d6#
- 1...Bb4
- 2.Rxb4#
- 1...Bh4
- 2.Rb4#
- 1...Bd6
- 2.dxe6#
- 1...Bd8
- 2.Rb4#
- 1...d2
- 2.Re3#
- 1...d6
- 2.Rb4#
- 1...Qe5
- Tries
- 1.fxe6?
- threat
- 2.Sd2#
- 2.Re5#
- 2.d6#
- 1...Bb4
- 2.Rxb4#
- 2.Re5#
- 2.d6#
- 1...Bd6
- 2.Sd2#
- 1...Bf6
- 2.Sd2#
- 2.Qh7#
- 2.d6#
- 1...d2
- 2.Sxd2#
- 2.Re3#
- 2.Re5#
- 2.d6#
- 1...d6
- 2.Sd2#
- 2.Rb4#
- 1...f5
- 2.d6#
- 1...f6
- 2.Sd2#
- 2.d6#
- 1...Bg5!
- threat
- 1.f6?
- threat
- 2.Sd2#
- 1...Bb4
- 2.Rxb4#
- 1...d2
- 2.Sxd2#
- 2.Re3#
- 1...Qf5!
- threat
- 1.g8Q?
- threat
- 2.Sd2#
- 2.Qd4#
- 2.Qg4#
- 1...Qxf5
- 2.Sd2#
- 2.Qd4#
- 1...Qc6
- 2.Qd4#
- 2.Qe5#
- 1...Qe5
- 2.Sd2#
- 2.Qxe5#
- 1...Qb6
- 2.Sd2#
- 2.Qe5#
- 2.Qg4#
- 1...Qd6
- 2.Sd2#
- 2.Qd4#
- 1...Qf6
- 2.Qg4#
- 2.d6#
- 1...Qg6
- 2.Sd2#
- 2.Qd4#
- 2.Qe5#
- 2.d6#
- 1...Qh6
- 2.Qd4#
- 2.Qe5#
- 2.d6#
- 1...Bb4
- 2.Rxb4#
- 2.Qd4#
- 2.Qg4#
- 1...Bc5
- 2.Sd2#
- 2.Qg4#
- 1...Bd6
- 2.Sd2#
- 2.Qd4#
- 2.dxe6#
- 1...Bf6
- 2.Qg4#
- 1...d2
- 2.Sxd2#
- 2.Re3#
- 2.Qd4#
- 2.Qg4#
- 1...f6
- 2.Qg4#
- 1...Bg5!
- threat
- 1.g8R?
- threat
- 2.Sd2#
- 2.Rg4#
- 2.Qd4#
- 1...Qxf5
- 2.Sd2#
- 2.Qd4#
- 1...Qc6
- 2.Qd4#
- 2.Qe5#
- 1...Bf6
- 2.Rg4#
- 1...Qe5
- 2.Sd2#
- 2.Qxe5#
- 1...Qb6
- 2.Sd2#
- 2.Rg4#
- 2.Qe5#
- 1...Qd6
- 2.Sd2#
- 2.Qd4#
- 1...Qf6
- 2.Rg4#
- 2.d6#
- 1...Qg6
- 2.Sd2#
- 2.Qd4#
- 2.Qe5#
- 2.d6#
- 1...Qh6
- 2.Qd4#
- 2.Qe5#
- 2.d6#
- 1...Bb4
- 2.Rxb4#
- 2.Rg4#
- 2.Qd4#
- 1...Bc5
- 2.Sd2#
- 2.Rg4#
- 1...Bd6
- 2.Sd2#
- 2.Qd4#
- 2.dxe6#
- 1...d2
- 2.Sxd2#
- 2.Re3#
- 2.Rg4#
- 2.Qd4#
- 1...f6
- 2.Rg4#
- 1...Bg5!
- threat
- 1.fxe6?
- Keys
- 1.Qh7!
- 1...Qxd5
- 2.f6#
- 1...Qxf5
- 2.Qxf5#
- 2.d6#
- 1...Qc6
- 2.f6#
- 1...Qe5
- 2.Sd2#
- 1...Qa6
- 2.f6#
- 1...Qb6
- 2.f6#
- 1...Qd6
- 2.f6#
- 1...Qf6
- 2.d6#
- 1...Qg6
- 2.d6#
- 1...Qh6
- 2.d6#
- 1...Bb4
- 2.Rxb4#
- 2.Rh4#
- 1...Bh4
- 2.Rb4#
- 2.Rxh4#
- 1...Bc5
- 2.Rh4#
- 1...Bg5
- 2.Rb4#
- 1...Bd6
- 2.dxe6#
- 1...Bf6
- 2.fxe6#
- 1...Bd8
- 2.Rb4#
- 1...Bf8
- 2.Rh4#
- 1...d2
- 2.Re3#
- 1...d6
- 2.Rb4#
- 1...f6
- 2.Rh4#
- 1...Qxd5
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- Q(d);SBLOCK::S(E)
- Q(d);N_GUARD::B(J)+P(G)
- B(f);N_GUARD::R(D),XB(f)
- B(f);N_GUARD::R(D)
- B(f);S_CUTP(e)::B(J)+P(G),XQ(d)
- P(b);OGATE::R1(D)
- P(e);S_CUTB(f)::R(D)
- Tries
- Try
- P(H);XQ(d)
- Threat
- DUALS(3)
- Vars
- B(f);::S(E)
- P(g);::B(J)+P(G)
- Refutation
- B(f);
- Try
- P(H);
- Threat
- S(E)
- Vars
- B(f);N_GUARD::R(D),XB(f)
- Refutation
- Q(d);
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- B(f);::QAR2(K)
- P(g);::QAR2(K)
- Refutation
- B(f);
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- B(f);::R(K)
- P(g);::R(K)
- Refutation
- B(f);
- Try
- Actual
- Q(L);
- Vars
- Q(d);N_GUARD,P_PINR(D),P_SPINQ(d),XP(G)::QAB(L)+P(H)
- Q(d);N_GUARD::QAB(L)+P(H)
- Q(d);SBLOCK::S(E)
- Q(d);N_GUARD::B(J)+P(G)
- B(f);N_GUARD::R(I)
- B(f);N_GUARD::R(D)
- B(f);S_CUTP(e)::B(J)+P(G),XQ(d)
- B(f);S_CUTP(g)::QAB(L)+P(H),XQ(d)
- P(b);OGATE::R1(D)
- P(e);S_CUTB(f)::R(D)
- P(g);S_CUTB(f)::R(I)
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