MESON Chess Problem Database
Problem Display
PID: 12371 (b5nq/6B1/6P1/1p3BQ1/1N1p1R1P/K1kP4/p3R3/r3n3 w - - 0 1)
Petkov, Petko Andonov
1st Prize, Problemas, 1978
#2
10 + 9
| 3750 | FIDE Album (1977-1979) | 1984 |
| 145 | StrateGems | 1998 |
| 3840 | Petkov Selected Compositions | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qxh4
- 2.Bxd4#
- 1...Qh5
- 2.Bxd4#
- 1...Qh6
- 2.Bxd4#
- 1...Qh7
- 2.Bxd4#
- 1...Rb1
- 2.Sxa2#
- 1...Rc1
- 2.Sxa2#
- 1...Rd1
- 2.Sxa2#
- 1...Bd5
- 2.Sxd5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sg2
- 2.Rc2#
- 1...Sxd3
- 2.Rc2#
- 1...Sf3
- 2.Rc2#
- 1...Qxh4
- Tries
- 1.Bh3?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh5
- 2.Bxd4#
- 1...Bd5!
- threat
- 1.Be4?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Bd5
- 2.Sxd5#
- 1...Qh5!
- threat
- 1.Bg4?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh5
- 2.Bxd4#
- 1...Bd5!
- threat
- 1.Be6?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh5
- 2.Bxd4#
- 1...Bd5!
- threat
- 1.Bd7?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh5
- 2.Bxd4#
- 1...Bd5!
- threat
- 1.Bc8?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh5
- 2.Bxd4#
- 1...Bd5!
- threat
- 1.Rf1?
- threat
- 2.Qd2#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Rd1
- 2.Sxa2#
- 1...Sf3
- 2.Rc2#
- 1...Qh6!
- threat
- 1.Rff2?
- threat
- 2.Qd2#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Rd1
- 2.Sxa2#
- 1...Sf3
- 2.Rc2#
- 1...Qh6!
- threat
- 1.Rf3?
- threat
- 2.Qd2#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Sxf3
- 2.Rc2#
- 1...Rd1
- 2.Sxa2#
- 1...Qh6!
- threat
- 1.Rfe4?
- threat
- 2.Qd2#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh6
- 2.Bxd4#
- 1...Sf3
- 2.Rc2#
- 1...Rd1!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Bd5
- 2.Sxd5#
- 1...Sxe7!
- threat
- 1.Qd8?
- threat
- 2.Qxd4#
- 1...Sc2+
- 2.Rxc2#
- 1...Bd5
- 2.Sxd5#
- 1...Sf3
- 2.Rc2#
- 1...Qxg7!
- threat
- 1.Qg1?
- threat
- 2.Qxd4#
- 1...Sc2+
- 2.Rxc2#
- 1...Sf3
- 2.Rc2#
- 2.Qxa1#
- 1...Qxg7!
- threat
- 1.Bh3?
- Keys
- 1.Rg4!
- threat
- 2.Qd2#
- 1...Sc2+
- 2.Rxc2#
- 1...Sxd3
- 2.Rc2#
- 1...Qh6
- 2.Bxd4#
- 1...Rd1
- 2.Sxa2#
- 1...Sf3
- 2.Rc2#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(i);N_GUARD,XP(F)::B(J),XP(e)
- Q(i);N_GUARD::B(J),XP(e)
- R(a);N_GUARD::S(D),XP(c)
- B(g);N_GUARD::S(D),XB(g)
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD,XP(C)::R1(A)
- Tries
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- B(g);N_GUARD::S(D),XB(g)
- Refutation
- Q(i);
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- Refutation
- B(g);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- R(a);N_GUARD::S(D),XP(c)
- S(b);N_GUARD::R1(A)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- R(a);N_GUARD::S(D),XP(c)
- S(b);N_GUARD::R1(A)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,P_SPINS(b),XP(C)::R1(A)
- S(b);N_GUARD,XR(E)::R1(A)
- R(a);N_GUARD::S(D),XP(c)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- S(b);N_GUARD::R1(A)
- Refutation
- R(a);
- Try
- Q(H);
- Threat
- QAR2(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- B(g);N_GUARD::S(D),XB(g)
- Refutation
- S(h);XQ(H)
- Try
- Q(H);
- Threat
- QAB1(H),XP(e)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- B(g);N_GUARD::S(D),XB(g)
- S(b);N_GUARD::R1(A)
- Refutation
- Q(i);N_SPINP(e),XB(J)
- Try
- Q(H);
- Threat
- QAB1(H),XP(e)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- Refutation
- Q(i);N_SPINP(e),XB(J)
- Try
- Actual
- R(E);
- Threat
- QAB1(H)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- Q(i);N_GUARD::B(J),XP(e)
- R(a);N_GUARD::S(D),XP(c)
- S(b);N_GUARD::R1(A)
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