MESON Chess Problem Database
Problem Display
PID: 4769 (8/1p3pNQ/3p4/N2p4/1KPk1P1n/1pp1qP2/bn2B3/6B1 w - - 0 1)
Williams, Philip Hamilton
The Field, 1890
(First published on Sat Jun 6 1891)
#2
9 + 11
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Bxf2#
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Qd3#
- 1...Sd3+
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sxc4
- 2.Qd3#
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...dxc4
- 2.Qe4#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Qf2
- Tries
- 1.Qc2?
- threat
- 2.Qxc3#
- 1...Sd3+
- 2.Qxd3#
- 1...Sxf3
- 2.Sf5#
- 1...dxc4
- 2.Qe4#
- 1...Sd1
- 2.Qxd1#
- 2.Qd3#
- 1...Sa4
- 2.Qd1#
- 2.Qd3#
- 1...bxc2!
- threat
- 1.Qf5?
- threat
- 2.Qxd5#
- 2.Qf6#
- 1...Sd3+
- 2.Qxd3#
- 1...Sxc4
- 2.Qd3#
- 1...Sxf3
- 2.Qxd5#
- 1...Sxf5
- 2.Sxf5#
- 1...dxc4
- 2.Qe4#
- 1...Qf2
- 2.Bxf2#
- 1...Sg6
- 2.Qxd5#
- 1...f6
- 2.Se6#
- 2.Qxd5#
- 2.Qxf6#
- 1...Qxg1!
- threat
- 1.Qg6?
- threat
- 2.Qf6#
- 1...Sd3+
- 2.Qxd3#
- 1...Qxg1
- 2.Qxg1#
- 1...Sxc4
- 2.Qd3#
- 1...Sxg6
- 2.Sf5#
- 1...dxc4
- 2.Qe4#
- 2.Qxd6#
- 1...fxg6
- 2.Se6#
- 1...Qf2
- 2.Bxf2#
- 1...f6
- 2.Se6#
- 2.Qxf6#
- 1...Sxf3!
- threat
- 1.Qc2?
- Keys
- 1.Qb1!
- 1...Sd3+
- 2.Qxd3#
- 1...Qxg1
- 2.Qxg1#
- 1...Bxb1
- 2.Sxb3#
- 1...Sxc4
- 2.Qd3#
- 1...Sxf3
- 2.Sf5#
- 1...dxc4
- 2.Qe4#
- 1...Qf2
- 2.Bxf2#
- 1...Sd1
- 2.Qd3#
- 2.Qxd1#
- 1...Sa4
- 2.Qd3#
- 2.Qd1#
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...c2
- 2.Qxb2#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Sd3+
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- Q(e);OGATEB::B(A),XQ(e)
- B(a);N_GUARD::S(G),XP(c)
- S(b);N_GUARD::QAR1(I)
- S(b);CHECK,N_GUARD::QAR1(I),XS(b)
- S(b);N_GUARD,XP(E)::QAR1(I)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD::S(H),XS(g)
- P(h);N_GUARD,XP(E)::QAR1(I)
- P(j);N_GUARD::S(G)
- P(k);N_GUARD::S(H)
- Tries
- Try
- Q(I);
- Threat
- QAB1(I),XP(d)
- Vars
- S(b);CHECK,N_GUARD::QAR1(I),XS(b)
- S(g);N_GUARD,XP(C)::S(H)
- P(h);N_GUARD,XP(E)::QAR1(I)
- Refutation
- P(c);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAR1(I),XS(b)
- S(b);N_GUARD,XP(E)::QAR1(I)
- S(g);XP(C)::QAR1(I),XP(h)
- S(g);XQ(I)::S(H),XS(g)
- P(h);N_GUARD,XP(E)::QAR1(I)
- Q(e);OGATEB::B(A),XQ(e)
- S(g);::QAR1(I),XP(h)
- Refutation
- Q(e);N_SPINQ(e),XB(A)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(b);CHECK,N_GUARD::QAR1(I),XS(b)
- Q(e);N_SPINQ(e),OGATE,XB(A)::QAB(I),XQ(e)
- S(b);N_GUARD,XP(E)::QAR1(I)
- S(g);N_GUARD,XQ(I)::S(H)
- P(k);N_GUARD,XQ(I)::S(H)
- Q(e);OGATEB::B(A),XQ(e)
- Refutation
- S(g);XP(C)
- Try
- Actual
- Q(I);
- Vars
- S(b);CHECK,N_GUARD::QAR1(I),XS(b)
- Q(e);N_SPINQ(e),OGATE,XB(A)::QAB(I),XQ(e)
- B(a);N_GUARD,XQ(I)::S(G),XP(c)
- S(b);N_GUARD,XP(E)::QAR1(I)
- S(g);N_GUARD,XP(C)::S(H)
- P(h);N_GUARD,XP(E)::QAR1(I)
- Q(e);OGATEB::B(A),XQ(e)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD::S(H),XS(g)
- P(d);OGATEB::QAB(I),XS(b)
- P(j);N_GUARD::S(G)
- P(k);N_GUARD::S(H)
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