MESON Chess Problem Database
Problem Display
PID: 108369 (K2B4/3b4/k1p5/1p6/3P4/P2B4/4P1Q1/8 w - - 0 1)
Halkett, James Brooke
Brooklyn Chess Chronicle, 1887
#2
7 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Bh3
- Tries
- 1.Kb8?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...Be8!
- 1...Bh3
- 1.Bb1?
- 1...b4
- 2.Bd3#
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...b4
- 1.Bc2?
- 1...b4
- 2.Bd3#
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...b4
- 1.Bxb5+?
- 1...cxb5
- 2.Qb7#
- 1...Kxb5!
- 1...cxb5
- 1.Bg6?
- 1...b4
- 2.Bd3#
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...b4
- 1.Bh7?
- 1...b4
- 2.Bd3#
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...b4
- 1.Bc7?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.Qh1?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.Qf3?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.Qe4?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.Qg7?
- 1...Be8
- 2.Qa7#
- 2.Qb7#
- 1...Bh3
- 2.Qa7#
- 2.Qb7#
- 1...Bg4
- 2.Qa7#
- 2.Qb7#
- 1...Bf5
- 2.Qa7#
- 2.Qb7#
- 1...Be6
- 2.Qa7#
- 2.Qb7#
- 1...Bc8
- 2.Qa7#
- 1...c5!
- 1...Be8
- 1.e3?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.a4?
- 1...Bh3
- 2.Qxc6#
- 1...Bg4
- 2.Qxc6#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Be8!
- 1...Bh3
- 1.Kb8?
- Keys
- 1.Bf5!
- 1...Bxf5
- 2.Qxc6#
- 1...b4
- 2.Bd3#
- 1...Be8
- 2.Bc8#
- 1...Be6
- 2.Qxc6#
- 1...Bc8
- 2.Bxc8#
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 1...Bxf5
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- Refutation
- B(d);
- Try
- B(D);N_PINP(a)
- Vars
- P(a);OGATEB::B(D)
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- B(D);N_PINP(a)
- Vars
- P(a);OGATEB::B(D)
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- B(D);CHECK,XP(a)
- Vars
- P(c);OGATE,XB(D)::QAB1(B)
- Refutation
- K(b);S_FLIGHT,XB(D)
- Try
- B(D);N_PINP(a)
- Vars
- P(a);OGATEB::B(D)
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- B(D);N_PINP(a)
- Vars
- P(a);OGATEB::B(D)
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- B(G);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- Q(B);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- Q(B);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- Q(B);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- Q(B);
- Vars
- B(d);OGATE::QAR1(B)
- Refutation
- P(c);
- Try
- P(A);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- P(C);
- Vars
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
- Refutation
- B(d);
- Try
- Actual
- B(D);N_PINP(a)
- Vars
- B(d);N_GUARD,XB(D)::QAR2(B),XP(c)
- P(a);OGATEB::B(D)
- B(d);OGATE::B(D)
- B(d);N_GUARD::QAR2(B),XP(c)
- P(c);OGATE::QAB1(B)
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