MESON Chess Problem Database
Problem Display
PID: 4721 (4b3/1K1p3Q/2P1k3/1N6/8/2B2B2/8/8 w - - 0 1)
Shinkman, William Anthony
St. John Globe, 1888
#2
6 + 3
| 3925 | The Golden Argosy | 1929 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Bh5
- 2.Qxd7#
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...Bh5
- Tries
- 1.Ka6?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Kb6?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Ka7?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Ka8?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Kb8?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Kc8?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Ba1?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Bb2?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Bd4?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Bh8?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sd4#
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Bd1?
- 1...dxc6
- 2.Bb3#
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...Kd5!
- 1...dxc6
- 1.Bg2?
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bh3#
- 1...d6
- 2.Sc7#
- 1...dxc6!
- 1...Bg6
- 1.Qf5+?
- 1...Ke7
- 2.Qf6#
- 1...Kxf5!
- 1...Ke7
- 1.Qg6+?
- 1...Ke7
- 2.Qf6#
- 1...Bxg6!
- 1...Ke7
- 1.Qe7+?
- 1...Kf5
- 2.Qf6#
- 1...Kxe7!
- 1...Kf5
- 1.Qg7?
- threat
- 2.Qf6#
- 1...Kf5
- 2.Qf6#
- 2.Qg4#
- 1...dxc6!
- threat
- 1.Ka6?
- Keys
- 1.Be2!
- 1...Kd5
- 2.Qf5#
- 1...dxc6
- 2.Bc4#
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qe4#
- 1...Bh5
- 2.Qxd7#
- 1...d5
- 2.Bg4#
- 1...d6
- 2.Sc7#
- 1...Kd5
- 1.Be2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- K(E);P-FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- K(E);P-FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- K(E);S_FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- K(E);P-FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- K(E);S_FLIGHT
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- B(A);
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- B(A);
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- B(A);
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- B(A);
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- Refutation
- P(b);XP(D)
- Try
- B(B);
- Vars
- P(b);N_GUARD,XP(D)::B(B)
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- K(a);S_FLIGHT
- Try
- B(B);
- Vars
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
- Refutation
- P(b);XP(D)
- Try
- Q(F);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(F)
- Refutation
- K(a);S_FLIGHT,XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(F)
- Refutation
- B(c);XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(a);S_FLIGHT::QAR1(F)
- Refutation
- K(a);P-FLIGHT,XQ(F)
- Try
- Q(F);
- Threat
- QAR1(F)
- Refutation
- P(b);XP(D)
- Try
- Actual
- B(B);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- P(b);N_GUARD,XP(D)::B(B)
- B(c);N_GUARD::QAB1(F),XP(b)
- B(c);SBLOCK::QAR2(F)
- P(b);SBLOCK::B(B)
- P(b);SBLOCK::S(C)
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