MESON Chess Problem Database
Problem Display
PID: 252596 (3n4/1N2p3/2n5/2p5/2k1K1B1/1R2Pp2/P1P5/2b2N2 w - - 0 1)
Gregson, DC
The Field, 1908
(First published on Sat Nov 7 1908)
#2
8 + 7
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Bxe3
- 2.Sxe3#
- 1...Sd4
- 2.Sa5#
- 1...Sa5
- 2.Sxa5#
- 1...Se5
- 2.Sa5#
- 1...Sa7
- 2.Sa5#
- 1...Sb8
- 2.Sa5#
- 1...Se6
- 2.Bxe6#
- 1...Sxb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...f2
- 2.Be2#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Bb2
- Tries
- 1.Bxf3?
- threat
- 2.Be2#
- 1...Sd4
- 2.Sa5#
- 1...Se5
- 2.Sa5#
- 1...Sb4!
- threat
- 1.Bd7?
- 1...Bxe3
- 2.Sxe3#
- 1...Sxb7
- 2.Be6#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...Sd4
- 2.Sa5#
- 1...Sa5
- 2.Sxa5#
- 2.Bb5#
- 1...Se5
- 2.Sa5#
- 2.Bb5#
- 1...Sa7
- 2.Sa5#
- 1...Sb8
- 2.Sa5#
- 2.Bb5#
- 1...Se6
- 2.Bxe6#
- 1...Sf7
- 2.Be6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...f2!
- 1...Bxe3
- 1.a3?
- 1...Bxa3
- 2.Sd2#
- 1...Bxe3
- 2.Sxe3#
- 1...Sxb7
- 2.Be6#
- 1...f2
- 2.Be2#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Sd4
- 2.Sa5#
- 1...Sa5
- 2.Sxa5#
- 1...Se5
- 2.Sa5#
- 1...Sa7
- 2.Sa5#
- 1...Sb8
- 2.Sa5#
- 1...Se6
- 2.Bxe6#
- 1...Sf7
- 2.Be6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Sb4!
- 1...Bxa3
- 1.c3?
- 1...Bxe3
- 2.Sxe3#
- 1...Sxb7
- 2.Be6#
- 1...f2
- 2.Be2#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sd4
- 2.Sa5#
- 1...Sa5
- 2.Sxa5#
- 1...Se5
- 2.Sa5#
- 1...Sa7
- 2.Sa5#
- 1...Sb8
- 2.Sa5#
- 1...Se6
- 2.Bxe6#
- 1...Sf7
- 2.Be6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Sb4!
- 1...Bxe3
- 1.Bxf3?
- Keys
- 1.a4!
- 1...Bxe3
- 2.Sxe3#
- 1...Sxb7
- 2.Be6#
- 1...f2
- 2.Be2#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...Sd4
- 2.Sa5#
- 1...Sa5
- 2.Sxa5#
- 1...Se5
- 2.Sa5#
- 1...Sa7
- 2.Sa5#
- 1...Sb8
- 2.Sa5#
- 1...Se6
- 2.Bxe6#
- 1...Sf7
- 2.Be6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Bxe3
- 1.a4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- B(a);XP(E)::S(A),XB(a)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(g);N_GUARD::B(G),XS(g)
- S(g);N_GUARD,XS(H)::B(G)
- S(g);N_GUARD::B(G)
- P(b);OGATE::B(G)
- P(f);N_GUARD::S(H)
- Tries
- Try
- B(G);XP(b)
- Threat
- B(G)
- Vars
- S(e);N_GUARD::S(H)
- Refutation
- S(e);
- Try
- B(G);
- Vars
- B(a);XP(E)::S(A),XB(a)
- S(g);N_GUARD,XS(H)::B(G)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- S(e);N_GUARD::S(H)
- S(g);N_GUARD::B(G),XS(g)
- S(g);N_GUARD::B(G)
- P(f);N_GUARD::S(H)
- Refutation
- P(b);
- Try
- P(B);
- Vars
- B(a);N_GUARD,XP(B)::S(A)
- B(a);XP(E)::S(A),XB(a)
- S(g);N_GUARD,XS(H)::B(G)
- P(b);OGATE::B(G)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(g);N_GUARD::B(G),XS(g)
- S(g);N_GUARD::B(G)
- P(f);N_GUARD::S(H)
- Refutation
- S(e);
- Try
- P(C);
- Vars
- B(a);XP(E)::S(A),XB(a)
- S(g);N_GUARD,XS(H)::B(G)
- P(b);OGATE::B(G)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(g);N_GUARD::B(G),XS(g)
- S(g);N_GUARD::B(G)
- P(f);N_GUARD::S(H)
- Refutation
- S(e);
- Try
- Actual
- P(B);
- Vars
- B(a);XP(E)::S(A),XB(a)
- S(g);N_GUARD,XS(H)::B(G)
- P(b);OGATE::B(G)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(g);N_GUARD::B(G),XS(g)
- S(g);N_GUARD::B(G)
- P(f);N_GUARD::S(H)
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