MESON Chess Problem Database
Problem Display
PID: 171412 (1K6/4n3/1pk1B3/4Q3/8/8/8/8 w - - 0 1)
Antipov, Viacheslav Pavlovich
Smena, 1997
#2
3 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...b5
- 2.Qc7#
- 1...Sd5
- Tries
- 1.Ba2?
- 1...Sd5
- 2.Qxd5#
- 1...b5
- 2.Qc7#
- 1...Sf5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kd7!
- 1...Sd5
- 1.Bb3?
- 1...Sd5
- 2.Qxd5#
- 1...b5
- 2.Qc7#
- 1...Sf5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kd7!
- 1...Sd5
- 1.Bc4?
- threat
- 2.Bb5#
- 2.Qc7#
- 1...Sd5
- 2.Qxd5#
- 1...b5
- 2.Qc7#
- 1...Kd7!
- threat
- 1.Qd4?
- threat
- 2.Bd7#
- 1...Sd5
- 2.Qxd5#
- 1...Kb5!
- threat
- 1.Ba2?
- Keys
- 1.Bf7!
- threat
- 2.Be8#
- 1...Kd7
- 2.Qc7#
- 1...Sd5
- 2.Qxd5#
- 1...b5
- 2.Qc7#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- S(c);N_GUARD::QAB1(A),XS(c)
- S(c);N_GUARD::QAB1(A)
- P(a);SBLOCK::QAR1(A)
- Tries
- Try
- B(B);
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);SBLOCK::QAR1(A)
- S(c);N_GUARD::QAB1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);SBLOCK::QAR1(A)
- S(c);N_GUARD::QAB1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);::QAR1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);
- Threat
- B(B)
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- B(B);
- Threat
- B(B)
- Vars
- K(b);S_FLIGHT::QAR1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);SBLOCK::QAR1(A)
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