MESON Chess Problem Database
Problem Display
PID: 2793 (2n1Q1BN/3p2p1/1nP1PP1P/2B1k2q/1N3RP1/5P2/4P3/K2R4 w - - 0 1)
White, Alain Campbell
La Strategie, 1906
#2
15 + 6
| 2794 | Terms & Themes of Chess Problems | 1907 |
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Sxg6#
- 1...Qf7
- 2.Rf5#
- 1...Qxe8
- 2.Rf5#
- 1...Qh1
- 2.Sg6#
- 2.Rf5#
- 1...Qh2
- 2.Sg6#
- 2.Rf5#
- 1...Qh3
- 2.Sg6#
- 2.Rf5#
- 1...Qh4
- 2.Sg6#
- 2.Rf5#
- 1...Qf5
- 2.Rxf5#
- 1...Qxh6
- 2.Rf5#
- 1...Sd5
- 2.Sd3#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Se7
- 2.Bd6#
- 1...d5
- 2.Sd3#
- 1...gxf6
- 2.Re4#
- 1...g5
- 2.Rf5#
- 1...Qg6
- Tries
- 1.Sf7+?
- 1...Qxf7
- 2.Rf5#
- 1...Kxf4!
- 1...Qxf7
- 1.Rdd4?
- threat
- 2.Sd3#
- 2.Rde4#
- 1...Qf5
- 2.Rxf5#
- 1...Sd6
- 2.Sd3#
- 2.Bxd6#
- 1...Qg6
- 2.Sxg6#
- 1...d5
- 2.Sd3#
- 1...Qh1+!
- threat
- 1.Rd5+?
- 1...Sxd5
- 2.Sd3#
- 1...Kxf4!
- 1...Sxd5
- 1.Qxh5+?
- 1...g5
- 2.Sg6#
- 2.Rf5#
- 2.Qxg5#
- 1...Kxf4!
- 1...g5
- 1.Qg6?
- threat
- 2.Re4#
- 2.Qe4#
- 1...Qxg4
- 2.Qe4#
- 1...Qxg6
- 2.Sxg6#
- 1...Sd6
- 2.Bxd6#
- 1...Qf5
- 2.Rxf5#
- 2.Qxf5#
- 1...d5
- 2.Sd3#
- 1...Kxf4!
- threat
- 1.e4?
- threat
- 2.Sd3#
- 1...Qf5
- 2.Rxf5#
- 1...Kxf4!
- threat
- 1.gxh5?
- threat
- 2.Sg6#
- 1...Se7
- 2.Bd6#
- 1...g6
- 2.Sxg6#
- 1...Kxf4!
- threat
- 1.exd7+?
- 1...Qxe8
- 2.Sd3#
- 2.Rf5#
- 1...Se7
- 2.Sd3#
- 2.Bd6#
- 2.Qb8#
- 1...Kxf4!
- 1...Qxe8
- 1.Sf7+?
- Keys
- 1.e3!
- 1...Qxg4
- 2.Sf7#
- 1...Qxe8
- 2.Rf5#
- 1...Qxh6
- 2.Sf7#
- 2.Rf5#
- 1...dxc6
- 2.Sxc6#
- 1...dxe6
- 2.Qxe6#
- 1...gxf6
- 2.Re4#
- 1...gxh6
- 2.Qxh5#
- 1...Qf5
- 2.Rxf5#
- 1...Sd6
- 2.Bd4#
- 2.Bxd6#
- 1...Qg6
- 2.Sxg6#
- 1...Qf7
- 2.Sxf7#
- 2.Rf5#
- 1...Qh1
- 2.Sg6#
- 2.Sf7#
- 2.Rf5#
- 1...Qh2
- 2.Sg6#
- 2.Sf7#
- 2.Rf5#
- 1...Qh3
- 2.Sg6#
- 2.Sf7#
- 2.Rf5#
- 1...Qh4
- 2.Sg6#
- 2.Sf7#
- 2.Rf5#
- 1...Qg5
- 2.Sf7#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sd5
- 2.Sd3#
- 2.Rxd5#
- 1...Sa8
- 2.Rd5#
- 1...Sa7
- 2.Bd6#
- 1...Se7
- 2.Bd6#
- 1...d5
- 2.Sd3#
- 1...d6
- 2.Bd4#
- 1...g5
- 2.Rf5#
- 1...g6
- 2.Sf7#
- 1...Qxg4
- 1.e3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 4
- Sets
- Q(b);N_GUARD::S(O),XQ(b)
- Q(b);N_GUARD::R1(F)
- Q(b);N_GUARD,XQ(M)::R1(F)
- Q(b);N_GUARD::R1(F),XQ(b)
- Q(b);N_GUARD,XP(L)::R1(F)
- S(c);SBLOCK::S(E)
- S(f);N_GUARD::B(H),XS(f)
- S(f);N_GUARD::B(H)
- P(d);SBLOCK::S(E)
- P(e);SBLOCK,XP(K)::R1(F)
- P(e);S_CUTQ(b)::R1(F)
- Tries
- Try
- S(O);CHECK
- Vars
- Q(b);XS(O)::R1(F)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::R1(F),XQ(b)
- Q(b);N_GUARD::S(O),XQ(b)
- P(d);::S(E)
- Refutation
- Q(b);CHECK
- Try
- R(B);CHECK
- Vars
- S(c);SBLOCK,XR(B)::S(E)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- Q(M);CHECK,XQ(b)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- Q(M);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(G)::QAR1(M)
- Q(b);XQ(M)::S(O),XQ(b)
- S(f);N_GUARD::B(H),XS(f)
- P(d);SBLOCK::S(E)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- P(C);
- Threat
- S(E)
- Vars
- Q(b);N_GUARD::R1(F),XQ(b)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- P(G);XQ(b)
- Threat
- S(O)
- Vars
- S(f);N_GUARD::B(H)
- P(e);::S(O),XP(e)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- P(J);CHECK,XP(d)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- Actual
- P(C);
- Vars
- Q(b);N_GUARD,XP(G)::S(O)
- Q(b);N_GUARD,XQ(M)::R1(F)
- P(d);XP(I)::S(E),XP(d)
- P(d);OGATE,P_SPINP(d),XP(J)::QAR1(M),XP(d)
- P(e);SBLOCK,XP(K)::R1(F)
- P(e);N_GUARD,XP(L)::QAR(M),XQ(b)
- Q(b);N_GUARD::R1(F),XQ(b)
- Q(b);N_GUARD::S(O),XQ(b)
- Q(b);N_GUARD::S(O)
- S(c);N_GUARD::R1(B)
- S(f);N_GUARD::B(H)
- P(d);SBLOCK::S(E)
- P(d);SBLOCK::B(H)
- P(e);S_CUTQ(b)::R1(F)
- P(e);S_CUTQ(b)::S(O)
Developed and maintained by Brian Stephenson.
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