MESON Chess Problem Database
Problem Display
PID: 11625 (8/3p1K1p/nb6/qp2Bk2/1P2RPp1/1N1P2PP/6B1/2Q5 w - - 0 1)
Petkov, Petko Andonov
1st Prize, L'Italia Scacchistica, 1970
#2
11 + 8
| 3840 | Petkov Selected Compositions | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...Bd8
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...gxh3
- 2.Bxh3#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...Bd4
- Tries
- 1.Bf3?
- threat
- 2.Bxg4#
- 2.hxg4#
- 1...gxf3
- 2.g4#
- 1...gxh3
- 2.g4#
- 1...h5!
- threat
- 1.Ba1?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 1...Qxa1!
- threat
- 1.Bc3?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6!
- threat
- 1.Bd4?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Sxd4#
- 1...gxh3
- 2.Bxh3#
- 1...d6
- 2.Qc8#
- 1...Bc7!
- threat
- 1.Bd6?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Qa1!
- threat
- 1.Bf6?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 1...Qa1!
- threat
- 1.Bg7?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 1...Qa1!
- threat
- 1.Bb8?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 1...Qa1!
- threat
- 1.Bh8?
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- 1...Qa1!
- threat
- 1.Re1?
- threat
- 2.Be4#
- 1...gxh3
- 2.Bxh3#
- 1...Sc5
- 2.Sd4#
- 1...d5
- 2.Qc8#
- 1...Qxb4!
- threat
- 1.Re2?
- threat
- 2.Be4#
- 1...gxh3
- 2.Bxh3#
- 1...Sc5
- 2.Sd4#
- 1...d5
- 2.Qc8#
- 1...Qxb4!
- threat
- 1.Re3?
- threat
- 2.Be4#
- 1...gxh3
- 2.Bxh3#
- 1...Sc5
- 2.Sd4#
- 1...d5
- 2.Qc8#
- 1...Qxb4!
- threat
- 1.Rc4?
- threat
- 2.Be4#
- 1...gxh3
- 2.Bxh3#
- 1...Sc5
- 2.Sd4#
- 1...d5!
- threat
- 1.Rd4?
- threat
- 2.Be4#
- 1...gxh3
- 2.Bxh3#
- 1...d5
- 2.Qc8#
- 1...Sc5!
- threat
- 1.Qd1?
- threat
- 2.Qxg4#
- 2.hxg4#
- 1...gxh3
- 2.Bxh3#
- 2.Qh5#
- 2.g4#
- 1...h5!
- threat
- 1.Qc6?
- threat
- 2.Qxd7#
- 2.Qf6#
- 1...gxh3
- 2.Bxh3#
- 2.Qxd7#
- 1...Bd8
- 2.Sd4#
- 2.Qxd7#
- 1...Sc5
- 2.Sd4#
- 2.Qf6#
- 1...Sc7
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...d5
- 2.Qd7#
- 2.Qe6#
- 2.Qf6#
- 2.Qc8#
- 1...d6
- 2.Qd7#
- 2.Qc8#
- 1...dxc6!
- threat
- 1.Bf3?
- Keys
- 1.Bb2!
- threat
- 2.Re5#
- 1...gxh3
- 2.Bxh3#
- 1...Bd4
- 2.Sxd4#
- 1...Bc7
- 2.Sd4#
- 1...d6
- 2.Qc8#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- S(e);S_CUTB(f)::S(C)
- P(a);OGATE,XP(F)::B(B),XP(a)
- P(g);OGATEB::QAB(A)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- P(a);OGATE,XB(B)::P(E)
- P(a);OGATE,XP(F)::P(E)
- Refutation
- P(h);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);XB(J)
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- Refutation
- P(g);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- B(f);XB(J)::S(C),XB(f)
- P(a);OGATE,XP(F)::B(B),XP(a)
- P(g);OGATEB::QAB(A)
- Refutation
- B(f);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- Refutation
- Q(b);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);
- Try
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);
- Try
- R(H);
- Threat
- B(B)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- S(e);S_CUTB(f)::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);XP(G)
- Try
- R(H);
- Threat
- B(B)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- S(e);S_CUTB(f)::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);XP(G)
- Try
- R(H);
- Threat
- B(B)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- S(e);S_CUTB(f)::S(C)
- P(g);OGATEB::QAB(A)
- Refutation
- Q(b);XP(G)
- Try
- R(H);
- Threat
- B(B)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- S(e);S_CUTB(f)::S(C)
- Refutation
- P(g);
- Try
- R(H);
- Threat
- B(B)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- P(g);OGATEB::QAB(A)
- Refutation
- S(e);
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(e);::QAR1(A)
- Refutation
- P(g);XQ(A)
- Try
- Actual
- B(J);
- Threat
- R1(H)
- Vars
- P(a);OGATE,XP(F)::B(B),XP(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(g);OGATEB::QAB(A)
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