MESON Chess Problem Database
Problem Display
PID: 10736 (k7/8/K1N5/8/8/8/1b6/1Q6 w - - 0 1)
Lokker, Miklosh S
Stella Polaris, 1967
#2
3 + 2
| 3296 | Shakhmatny zadachi miniaturi | 1987 |
| 3813 | 300 Sachmatu Uzdaviniu | 1991 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qb7#
- 2.Qb8#
- 1...Bc1
- 2.Qb7#
- 2.Qb8#
- 1...Ba3
- 2.Qb7#
- 2.Qb8#
- 1...Bc3
- 2.Qb7#
- 2.Qb8#
- 1...Bd4
- 2.Qb7#
- 2.Qb8#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 2.Qb8#
- 1...Bg7
- 2.Qb7#
- 2.Qb8#
- 1...Bh8
- 2.Qb7#
- 2.Qb8#
- 1...Ba1
- Tries
- 1.Sd4?
- 1...Bxd4
- 2.Qb7#
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Kb8!
- 1...Bxd4
- 1.Sa5?
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 1...Bg7
- 2.Qb7#
- 1...Bh8
- 2.Qb7#
- 1...Kb8!
- 1...Ba1
- 1.Se5?
- 1...Bxe5
- 2.Qb7#
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Kb8!
- 1...Bxe5
- 1.Sa7?
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 1...Bg7
- 2.Qb7#
- 1...Bh8
- 2.Qb7#
- 1...Kb8!
- 1...Ba1
- 1.Se7?
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 1...Bg7
- 2.Qb7#
- 1...Bh8
- 2.Qb7#
- 1...Kb8!
- 1...Ba1
- 1.Sb8?
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 1...Bg7
- 2.Qb7#
- 1...Bh8
- 2.Qb7#
- 1...Kxb8!
- 1...Ba1
- 1.Sd8?
- 1...Ba1
- 2.Qb7#
- 1...Bc1
- 2.Qb7#
- 1...Ba3
- 2.Qb7#
- 1...Bc3
- 2.Qb7#
- 1...Bd4
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bf6
- 2.Qb7#
- 1...Bg7
- 2.Qb7#
- 1...Bh8
- 2.Qb7#
- 1...Kb8!
- 1...Ba1
- 1.Qa2?
- threat
- 2.Qg8#
- 1...Be5
- 2.Kb6#
- 1...Bf6
- 2.Kb6#
- 1...Bg7
- 2.Kb6#
- 1...Ba3!
- threat
- 1.Qf5?
- threat
- 2.Qc8#
- 2.Qf8#
- 1...Ba3
- 2.Qc8#
- 1...Bf6
- 2.Qc8#
- 1...Bg7
- 2.Qc8#
- 1...Be5!
- threat
- 1.Qh7?
- threat
- 2.Qg8#
- 2.Qa7#
- 2.Qb7#
- 1...Be5
- 2.Qa7#
- 2.Qb7#
- 1...Ba3
- 2.Qa7#
- 2.Qb7#
- 1...Bd4
- 2.Qg8#
- 2.Qb7#
- 1...Bf6
- 2.Qa7#
- 2.Qb7#
- 1...Bg7!
- threat
- 1.Sd4?
- Keys
- 1.Qg1!
- threat
- 2.Qa7#
- 2.Qg8#
- 1...Be5
- 2.Qa7#
- 1...Ba3
- 2.Qa7#
- 1...Bd4
- 2.Qg8#
- 1...Bf6
- 2.Qa7#
- 1...Bg7
- 2.Qa7#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAB1(A)
- Tries
- Try
- S(C);
- Vars
- B(a);OGATE,XS(C)::QAB1(A)
- B(a);OGATE::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- S(C);
- Vars
- B(a);OGATE::QAB1(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- S(C);
- Vars
- B(a);OGATE,XS(C)::QAB1(A)
- B(a);OGATE::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- S(C);
- Vars
- B(a);OGATE::QAB1(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- S(C);
- Vars
- B(a);OGATE::QAB1(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- S(C);
- Vars
- B(a);OGATE::QAB1(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XS(C)
- Try
- S(C);
- Vars
- B(a);OGATE::QAB1(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- B(a);N_GUARD::QAR(A)+K(B)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR2(A)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(A)
- B(a);::QAR(A)
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