MESON Chess Problem Database
Problem Display
PID: 4839 (6Q1/5p2/5k1q/1KpP1N2/5P2/7B/8/8 w - - 0 1)
Williams, Philip Hamilton
Illustrated London News, 1892
#2
6 + 4
| 3360 | Simple Two-move Themes | 1924 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Qg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qf8
- 2.Qg5#
- 1...Qxh3
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...Qxf4
- Tries
- 1.Kc4?
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...Qxf4+!
- 1...Qxh3
- 1.Ka5?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Kxc5?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...Qf8+!
- 1...Qxf4
- 1.Ka6?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Kb6?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Kc6?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Bg4?
- 1...Qxf4
- 2.Qg7#
- 1...Qg7
- 2.Qxg7#
- 1...Qg5
- 2.Qxg5#
- 1...Qf8
- 2.Qg5#
- 1...Qh1
- 2.Qg5#
- 2.Qg7#
- 1...Qh2
- 2.Qg5#
- 2.Qg7#
- 1...Qh3
- 2.Qg5#
- 2.Qg7#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qd8#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Qg2?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg5
- 2.Qxg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qb2#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Qg3?
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg5
- 2.Qxg5#
- 1...Qg7
- 2.Qxg7#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qc3#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...c4!
- 1...Qxf4
- 1.Qh8+?
- 1...Kg6
- 2.Qxh6#
- 1...Qg7
- 2.Qxg7#
- 1...Qxh8!
- 1...Kg6
- 1.Kc4?
- Keys
- 1.Qg1!
- 1...Qxf4
- 2.Qg7#
- 1...Qxh3
- 2.Qg5#
- 1...Qg5
- 2.Qxg5#
- 1...c4
- 2.Qb6#
- 1...Qg7
- 2.Qxg7#
- 1...Qf8
- 2.Qg5#
- 1...Qh4
- 2.Qg7#
- 1...Qh5
- 2.Qg7#
- 1...Qg6
- 2.Qa1#
- 1...Qh7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...Qxf4
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);N_GUARD,P_PINP(B)::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- Q(c);CHECK,XP(B)
- Try
- K(C);P-FLIGHT
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- K(C);P-FLIGHT,XP(a)
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- Q(c);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- K(C);P-FLIGHT
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- K(C);S_FLIGHT
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- Q(F);
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- Q(F);
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
- Refutation
- P(a);
- Try
- Q(F);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(F),XQ(c)
- Q(c);N_GUARD,P_SPINQ(c)::QAB1(F),XQ(c)
- Refutation
- Q(c);XQ(F)
- Try
- Actual
- Q(F);
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(F)
- Q(c);N_GUARD,XB(A)::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- P(a);OGATE::QAR(F)
- Q(c);N_GUARD::QAB1(F)
- Q(c);SBLOCK::QAB(F)
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