MESON Chess Problem Database
Problem Display
PID: 2061 (3K1R1n/2P2bB1/3P1Np1/1n2k1p1/3q1NP1/3R1B2/Q6P/8 w - - 0 1)
Bennett, Frank Harper
Illustrated London News, 1871
#2
12 + 7
| 1693 | English Chess Problems | 1876 |
| 3713 | Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.S6h5#
- 1...Qg1
- 2.S6h5#
- 1...Qb2
- 2.S6h5#
- 1...Qf2
- 2.S6h5#
- 1...Qc3
- 2.S6h5#
- 1...Qe3
- 2.S6h5#
- 1...Qc5
- 2.S6h5#
- 1...Qb6
- 2.S6h5#
- 1...Qa7
- 2.S6h5#
- 1...Qa4
- 2.S6h5#
- 1...Qb4
- 2.S6h5#
- 1...Qc4
- 2.S6h5#
- 1...Qe4
- 2.S6h5#
- 1...Qxf4
- 2.Sd7#
- 1...Bxa2
- 2.Se4#
- 2.Se8#
- 1...Bb3
- 2.Se4#
- 2.Se8#
- 1...Bc4
- 2.Se4#
- 2.Se8#
- 1...Bd5
- 2.Se4#
- 2.Se8#
- 1...Be6
- 2.Se4#
- 2.Se8#
- 1...Be8
- 2.Se4#
- 2.Sxe8#
- 1...Bg8
- 2.Se4#
- 2.Se8#
- 1...Sxd6
- 2.S6d5#
- 2.S6h5#
- 1...gxf4
- 2.Se4#
- 2.Se8#
- 1...Qa1
- Tries
- 1.Sd7+?
- 1...Kxd6
- 2.Be5#
- 2.Qa6#
- 2.c8S#
- 1...Kxf4!
- 1...Kxd6
- 1.Qe6+?
- 1...Bxe6
- 2.Se4#
- 2.Se8#
- 1...Kxf4!
- 1...Bxe6
- 1.Qxf7?
- threat
- 2.Se4#
- 2.Se8#
- 1...Qxd6+
- 2.Sd7#
- 1...Kxf4
- 2.Sd5#
- 2.Sh5#
- 1...Kxd6
- 2.Qe7#
- 1...Qxf4
- 2.Sd7#
- 2.Rd5#
- 2.Re8#
- 2.Qd5#
- 2.Qe8#
- 2.Qe7#
- 1...Qe4
- 2.Sxe4#
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Sxf7+!
- threat
- 1.Qe2+?
- 1...Kxd6
- 2.Qe7#
- 1...Qe3
- 2.S6h5#
- 2.Qxe3#
- 1...Qe4
- 2.S6h5#
- 2.Qxe4#
- 1...Kxf4!
- 1...Kxd6
- 1.Sd7+?
- Keys
- 1.Qc4!
- 1...Qxd6+
- 2.Sd7#
- 1...Kxf4
- 2.Sd5#
- 1...Kxd6
- 2.Se4#
- 1...Qxd3
- 2.Se8#
- 1...Qxc4
- 2.S6h5#
- 1...Qxf4
- 2.Sd7#
- 1...Bxc4
- 2.Se4#
- 2.Se8#
- 1...Sxd6
- 2.S6d5#
- 2.S6h5#
- 2.Qxd4#
- 1...Sxc7
- 2.Qxd4#
- 1...gxf4
- 2.Se4#
- 2.Se8#
- 1...Qa1
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qg1
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qb2
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qf2
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qc3
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qe3
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Qc5
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qb6
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qa7
- 2.S6h5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qe4#
- 1...Qe4
- 2.S6h5#
- 2.Qxe4#
- 1...Qd5
- 2.Se8#
- 1...Bd5
- 2.Se4#
- 2.Se8#
- 1...Be6
- 2.Se4#
- 2.Se8#
- 1...Be8
- 2.Se4#
- 2.Sxe8#
- 1...Bg8
- 2.Se4#
- 2.Se8#
- 1...Sa3
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Qxd6+
- 1.Qc4!
This anticipates 154478(1985)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 12
- Sets
- Q(a);N_PINP(G)::B(J)+S(H)
- Q(a);N_PINP(G),P_PINP(I)::B(J)+S(H)
- Q(a);N_PINP(G),SBLOCK,XS(E)::B(J)+S(H),DCHECK
- Tries
- Try
- S(H);CHECK,N_SPINP(G)
- Refutation
- K(c);P_SPINB(f),S_FLIGHT,XS(E)
- Try
- Q(A);CHECK
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- Q(A);XB(f)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XP(G)::B(J)+S(H),DCHECK
- K(c);P_SPINQ(a),S_FLIGHT,XP(G)::QAB1(A)
- Refutation
- S(g);CHECK,XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);OGATE,P_SPINQ(a),S_FLIGHT,XP(G)::QAB1(A)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- Actual
- Q(A);
- Vars
- Q(a);CHECK,XP(G)::B(J)+S(H),DCHECK
- K(c);P_SPINQ(a),S_FLIGHT,XS(E)::S(H)
- K(c);P_SPINQ(a),S_FLIGHT,XP(G)::S(H)
- Q(a);XR(C)::B(J)+S(H)
- Q(a);N_PINP(G),XQ(A)::B(J)+S(H)
- Q(a);N_PINP(G),XS(E)::B(J)+S(H),DCHECK
- S(b);N_GUARD,XP(I)::QAB1(A),XQ(a)
- Q(a);::B(J)+S(H)
- S(b);N_GUARD::QAB1(A),XQ(a)
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