MESON Chess Problem Database
Problem Display
PID: 125374 (2R1R3/p2B4/3p1p2/3k4/N2p1B2/p6p/1n3QbK/8 w - - 0 1)
Piatesi, Antonio
Source?, 1981
#2
7 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Be6#
- 1...Sd1
- 2.Qa2#
- 1...Sd3
- 2.Qa2#
- 1...Sxa4
- 2.Qa2#
- 1...Sc4
- 2.Bc6#
- 1...d3
- 2.Sc3#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Bf1
- Tries
- 1.Bc1?
- threat
- 2.Qf5#
- 1...Bf3
- 2.Qxf3#
- 1...Sd3
- 2.Qa2#
- 1...Sc4
- 2.Bc6#
- 1...d3
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- 1...Be4!
- threat
- 1.Bg5?
- threat
- 2.Qf5#
- 1...Bf3
- 2.Qxf3#
- 1...Sd3
- 2.Qa2#
- 1...Sc4
- 2.Bc6#
- 1...d3
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- 1...Be4!
- threat
- 1.Bh6?
- threat
- 2.Qf5#
- 1...Bf3
- 2.Qxf3#
- 1...Sd3
- 2.Qa2#
- 1...Sc4
- 2.Bc6#
- 1...d3
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- 1...Be4!
- threat
- 1.Bxh3?
- threat
- 2.Bxg2#
- 2.Qxg2#
- 1...Bxh3
- 2.Qf3#
- 1...Be4
- 2.Be6#
- 1...Bf1
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 1...d3
- 2.Sc3#
- 2.Bxg2#
- 1...Bh1!
- threat
- 1.Qe1?
- threat
- 2.Be6#
- 2.Qa5#
- 2.Qe6#
- 1...Sxa4
- 2.Be6#
- 2.Qe6#
- 1...Bf1
- 2.Be6#
- 2.Qe4#
- 2.Qe6#
- 1...Be4
- 2.Be6#
- 2.Qa5#
- 2.Qxe4#
- 1...Sd3
- 2.Be6#
- 2.Qe6#
- 1...Sc4
- 2.Bc6#
- 2.Be6#
- 2.Qe6#
- 1...a5
- 2.Sb6#
- 2.Be6#
- 2.Qxa5#
- 2.Qe6#
- 1...d3!
- threat
- 1.Qe3?
- threat
- 2.Be6#
- 2.Qe6#
- 1...Be4
- 2.Be6#
- 2.Qxe4#
- 1...d3
- 2.Sc3#
- 2.Be6#
- 1...dxe3!
- threat
- 1.Qc2?
- threat
- 2.Bc6#
- 2.Be6#
- 2.Qf5#
- 2.Qc6#
- 1...Be4
- 2.Bc6#
- 2.Be6#
- 2.Qxe4#
- 2.Qc6#
- 1...Sd3
- 2.Bc6#
- 2.Qb3#
- 2.Qa2#
- 2.Qc4#
- 2.Qc6#
- 1...Sc4
- 2.Bc6#
- 2.Be6#
- 2.Qxc4#
- 1...f5
- 2.Bc6#
- 2.Be6#
- 2.Qxf5#
- 2.Qc6#
- 1...d3!
- threat
- 1.Qd2?
- threat
- 2.Sc3#
- 2.Qa5#
- 1...Sxa4
- 2.Qa2#
- 1...Bf1
- 2.Sc3#
- 1...Sd1
- 2.Qa5#
- 2.Qa2#
- 1...Sd3
- 2.Qa2#
- 1...Sc4
- 2.Sc3#
- 2.Bc6#
- 1...a5
- 2.Sc3#
- 2.Sb6#
- 2.Qxa5#
- 1...d3!
- threat
- 1.Qe2?
- threat
- 2.Bc6#
- 2.Be6#
- 2.Qb5#
- 2.Qe6#
- 1...Sxa4
- 2.Be6#
- 2.Qc4#
- 2.Qa2#
- 2.Qe6#
- 1...Bf1
- 2.Bc6#
- 2.Be6#
- 2.Qf3#
- 2.Qe4#
- 2.Qe6#
- 1...Be4
- 2.Bc6#
- 2.Be6#
- 2.Qb5#
- 2.Qxe4#
- 1...Sd3
- 2.Be6#
- 2.Qa2#
- 2.Qe6#
- 1...Sc4
- 2.Bc6#
- 2.Be6#
- 2.Qxc4#
- 2.Qe6#
- 1...a6
- 2.Sb6#
- 2.Bc6#
- 2.Be6#
- 2.Qe6#
- 1...d3!
- threat
- 1.Bc1?
- Keys
- 1.Bg3!
- threat
- 2.Qf5#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Be6#
- 1...Sd3
- 2.Qa2#
- 1...Sc4
- 2.Bc6#
- 1...d3
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- B(b);SBLOCK::B(E)
- S(a);OGATE::QAB(A)
- S(a);OGATE,XS(C)::QAB(A)
- S(a);SBLOCK::B(E)
- P(e);N_GUARD::S(C)
- P(i);N_GUARD::S(C)
- Tries
- Try
- B(D);
- Threat
- QAR2(A)
- Vars
- B(b);N_GUARD::QAB(A),XB(b)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::B(E)
- P(e);N_GUARD::S(C)
- P(h);::QAR2(A),XP(h)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR2(A)
- Vars
- B(b);N_GUARD::QAB(A),XB(b)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::B(E)
- P(e);N_GUARD::S(C)
- P(h);::QAR2(A),XP(h)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR2(A)
- Vars
- B(b);N_GUARD::QAB(A),XB(b)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::B(E)
- P(e);N_GUARD::S(C)
- P(h);::QAR2(A),XP(h)
- Refutation
- B(b);
- Try
- B(E);XP(d)
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,XB(E)::QAB(A)
- B(b);SBLOCK::B(E)
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- P(e);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- P(e);
- Try
- Q(A);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XS(C)::QAB(A)
- B(b);::S(C)
- S(a);N_SPINP(e),OGATE::QAB(A)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- P(e);
- Try
- Actual
- B(D);
- Threat
- QAR2(A)
- Vars
- B(b);N_GUARD::QAB(A),XB(b)
- B(b);SBLOCK::B(E)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::B(E)
- P(e);N_GUARD::S(C)
- P(h);::QAR2(A),XP(h)
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