MESON Chess Problem Database
Problem Display
PID: 149032 (6n1/BK1p2p1/Q5N1/3kp2N/5p2/2b2P2/2P1P3/8 w - - 0 1)
Dawson, Thomas Rayner
Sussex Chess Problem Fraternity, 1918
(First published on Sat Aug 10 1918)
#2
8 + 7
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.Shxf4#
- 1...d6
- 2.Qa2#
- 1...Ba1
- Tries
- 1.Ka8?
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.Shxf4#
- 1...d6!
- 1...Ba1
- 1.Kb8?
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.Shxf4#
- 1...d6!
- 1...Ba1
- 1.Kc8?
- 1...Se7+
- 2.Sxe7#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...e4
- 2.Shxf4#
- 1...d6!
- 1...Se7+
- 1.Sf6+?
- 1...Sxf6
- 2.Se7#
- 1...gxf6!
- 1...Sxf6
- 1.Sxg7?
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.Qd3#
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.Qd3#
- 2.c4#
- 1...Bb4
- 2.Qd3#
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.Qd3#
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d6
- 2.Qb5#
- 2.Qa2#
- 2.Qc6#
- 1...e4!
- 1...Ba1
- 1.Bg1?
- 1...d6
- 2.Qa2#
- 1...Sf6
- 2.Se7#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.Shxf4#
- 1...Bd4!
- 1...d6
- 1.Bf2?
- 1...d6
- 2.Qa2#
- 1...Sf6
- 2.Se7#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.Shxf4#
- 1...Bd4!
- 1...d6
- 1.Qc4+?
- 1...Kd6
- 2.Bc5#
- 2.Bb8#
- 1...Kxc4!
- 1...Kd6
- 1.Qd6+?
- 1...Kc4
- 2.Qc5#
- 1...Kxd6!
- 1...Kc4
- 1.e3?
- threat
- 2.e4#
- 1...d6
- 2.Qa2#
- 1...Sf6
- 2.Se7#
- 1...e4
- 2.Shxf4#
- 1...fxe3!
- threat
- 1.Ka8?
- Keys
- 1.Sg3!
- 1...fxg3
- 2.e4#
- 1...d6
- 2.Qa2#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e4
- 2.fxe4#
- 1...fxg3
- 1.Sg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::S(D),XP(b)
- P(e);SBLOCK::QAB(E)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- P(e);
- Try
- K(H);P-FLIGHT
- Vars
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- P(e);
- Try
- K(H);S_FLIGHT
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- P(e);
- Try
- S(D);CHECK
- Vars
- S(g);XS(D)::S(F)
- Refutation
- P(f);XS(D)
- Try
- S(D);XP(f)
- Vars
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- Refutation
- P(d);
- Try
- B(G);
- Vars
- P(e);SBLOCK::QAB(E)
- S(g);N_GUARD::S(F)
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- B(a);
- Try
- B(G);
- Vars
- P(e);SBLOCK::QAB(E)
- S(g);N_GUARD::S(F)
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- B(a);
- Try
- Q(E);CHECK
- Refutation
- K(c);S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(E)
- Refutation
- K(c);P-FLIGHT,XQ(E)
- Try
- P(B);
- Threat
- P(B)
- Vars
- P(e);SBLOCK::QAB(E)
- S(g);N_GUARD::S(F)
- P(d);N_GUARD::S(D),XP(b)
- Refutation
- P(b);XP(B)
- Try
- Actual
- S(D);
- Vars
- P(b);N_GUARD,XS(D)::P(B)
- P(e);SBLOCK::QAB(E)
- B(a);OGATE::P(A)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);OGATE::P(C),XP(d)
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