MESON Chess Problem Database
Problem Display
PID: 3010 (8/1p4N1/1P3p1K/3ppN2/3p1k2/Q2b1P2/3P2P1/8 w - - 0 1)
Williams, Philip Hamilton
Source?, 1916
#2
8 + 7
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.g3#
- 1...Bf1
- 2.g3#
- 1...Bc2
- 2.g3#
- 1...Be2
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Be4
- 2.g3#
- 1...Bb5
- 2.g3#
- 1...Bxf5
- 2.Sh5#
- 1...Ba6
- 2.g3#
- 1...e4
- 2.Qd6#
- 1...Bb1
- Tries
- 1.Kh5?
- 1...e4
- 2.Qd6#
- 1...Bb1
- 2.g3#
- 1...Bf1
- 2.g3#
- 1...Bc2
- 2.g3#
- 1...Be2
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Be4
- 2.g3#
- 1...Bb5
- 2.g3#
- 1...Ba6
- 2.g3#
- 1...Bxf5!
- 1...e4
- 1.Kg6?
- threat
- 2.Sh5#
- 2.Se6#
- 1...e4
- 2.Qd6#
- 1...Bxf5+!
- threat
- 1.Sg3?
- threat
- 2.S3h5#
- 2.S7h5#
- 1...e4
- 2.Qd6#
- 1...Bg6
- 2.Se2#
- 1...Kxg3!
- threat
- 1.Sxd4?
- threat
- 2.Sh5#
- 1...exd4
- 2.Qd6#
- 1...e4
- 2.Qd6#
- 1...Bg6
- 2.Se2#
- 1...Kg3!
- threat
- 1.Qb3?
- 1...Bxf5
- 2.Sh5#
- 1...Bb1
- 2.g3#
- 1...Bf1
- 2.g3#
- 1...Bc2
- 2.g3#
- 1...Be2
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Be4
- 2.g3#
- 1...Bb5
- 2.g3#
- 1...Ba6
- 2.g3#
- 1...e4!
- 1...Bxf5
- 1.Qc3?
- 1...Bxf5
- 2.Sh5#
- 1...e4
- 2.Qc7#
- 1...Bb1
- 2.g3#
- 1...Bf1
- 2.g3#
- 1...Bc2
- 2.g3#
- 1...Be2
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Be4
- 2.g3#
- 1...Bb5
- 2.g3#
- 1...Ba6
- 2.g3#
- 1...dxc3!
- 1...Bxf5
- 1.Kh5?
- Keys
- 1.Qc1!
- 1...Bxf5
- 2.Sh5#
- 1...e4
- 2.Qc7#
- 1...Bb1
- 2.d3#
- 1...Bf1
- 2.d3#
- 1...Bc2
- 2.d3#
- 1...Be2
- 2.d3#
- 1...Bc4
- 2.d3#
- 1...Be4
- 2.d3#
- 1...Bb5
- 2.d3#
- 1...Ba6
- 2.d3#
- 1...Bxf5
- 1.Qc1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);::P(B)
- B(a);SBLOCK,XS(E)::S(H)
- P(e);OGATEB::QAB(C)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- P(e);OGATEB::QAB(C)
- B(a);::P(B)
- B(a);P_PINP(D)::P(B)
- Refutation
- B(a);XS(E)
- Try
- K(G);P-FLIGHT,P_SPINS(E)
- Threat
- DUALS(2)
- Vars
- P(e);N_PINS(E),OGATEB::QAB(C)
- Refutation
- B(a);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAB(C)
- B(a);N_GUARD::S(E)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- S(E);XP(b)
- Threat
- S(H)
- Vars
- P(e);OGATEB,XS(E)::QAB(C)
- P(e);OGATEB::QAB(C)
- B(a);N_GUARD::S(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(C);
- Vars
- B(a);SBLOCK,XS(E)::S(H)
- B(a);::P(B)
- Refutation
- P(e);
- Try
- Q(C);
- Vars
- B(a);SBLOCK,XS(E)::S(H)
- P(e);OGATEB::QAB(C)
- B(a);::P(B)
- Refutation
- P(b);XQ(C)
- Try
- Actual
- Q(C);
- Vars
- B(a);SBLOCK,XS(E)::S(H)
- P(e);OGATEB::QAB(C)
- B(a);OGATE::QAB(C)+P(A)
Developed and maintained by Brian Stephenson.
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