MESON Chess Problem Database
Problem Display
PID: 60389 (7K/1P5Q/1bPNRN2/1Pp2B2/2Pkp3/BPp4R/8/1q6 w - - 0 1)
Petkov, Petko Andonov
1st Prize, Shakhmatna misl, 1969
#2
13 + 6
| 3751 | FIDE Album (1968-1970) | 1977 |
| 702 | Phenix | 2009 |
| 15652 | Tehtavaniekka | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Rxe4#
- 1...Qa1
- 2.Rxe4#
- 1...Qc1
- 2.Rxe4#
- 1...Qd1
- 2.Rxe4#
- 1...Qf1
- 2.Rxe4#
- 1...Qg1
- 2.Rxe4#
- 1...Qb2
- 2.Rxe4#
- 1...Qxb3
- 2.Rxe4#
- 1...c2
- 2.Rxe4#
- 1...Qa2
- Tries
- 1.Sdxe4?
- threat
- 2.Qd7#
- 1...Qxe4
- 2.Rxe4#
- 1...Bc7
- 2.Bxc5#
- 1...Qxb3!
- threat
- 1.Sf7?
- threat
- 2.Rd6#
- 1...Qxb3
- 2.Rxe4#
- 1...Bc7!
- threat
- 1.Sc8?
- threat
- 2.Qd7#
- 1...Qxb3
- 2.Rxe4#
- 1...Bc7!
- threat
- 1.Sde8?
- threat
- 2.Qd7#
- 1...Qxb3
- 2.Rxe4#
- 1...Bc7!
- threat
- 1.Sfxe4?
- threat
- 2.Qg7#
- 1...Qxe4
- 2.Rxe4#
- 1...Bd8
- 2.Bxc5#
- 1...Qg1!
- threat
- 1.Sd5?
- threat
- 2.Qg7#
- 1...Qg1
- 2.Rxe4#
- 1...Bd8!
- threat
- 1.Sh5?
- threat
- 2.Qg7#
- 1...Qg1
- 2.Rxe4#
- 1...Bd8!
- threat
- 1.Sfe8?
- threat
- 2.Qg7#
- 1...Qg1
- 2.Rxe4#
- 1...Bd8!
- threat
- 1.Sg8?
- threat
- 2.Qg7#
- 1...Qg1
- 2.Rxe4#
- 1...Bd8!
- threat
- 1.Bxe4?
- threat
- 2.Sf5#
- 1...Qxe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Qxb3
- 2.Rd3#
- 1...Qf1!
- threat
- 1.Bg4?
- threat
- 2.Sf5#
- 1...Qxb3
- 2.Rxe4#
- 2.Qxe4#
- 1...Qf1
- 2.Rxe4#
- 2.Qxe4#
- 1...e3!
- threat
- 1.Bg6?
- threat
- 2.Sf5#
- 1...Qxb3
- 2.Rxe4#
- 1...Qf1
- 2.Rxe4#
- 1...e3!
- threat
- 1.Qd7?
- threat
- 2.Sdxe4#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qxb3
- 2.Rxe4#
- 1...e3
- 2.Sde4#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bc7!
- threat
- 1.Qg7?
- threat
- 2.Sfxe4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Sfe8#
- 2.Sg8#
- 1...Qg1
- 2.Sg4#
- 2.Rxe4#
- 1...e3
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Sfe8#
- 2.Sg8#
- 1...Bd8!
- threat
- 1.Sdxe4?
- Keys
- 1.Sd7!
- threat
- 2.Qg7#
- 1...Qg1
- 2.Rxe4#
- 1...Bd8
- 2.Bxc5#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD::R1(I),XP(d)
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- P(b);S_CUTQ(a)::R1(I),XP(d)
- Tries
- Try
- S(H);XP(d)
- Threat
- QAR(L)
- Vars
- Q(a);OGATE,XS(H)::R1(I),XQ(a)
- B(f);N_GUARD::B(A),XP(e)
- Refutation
- Q(a);XP(B)
- Try
- S(H);
- Threat
- R(I)
- Vars
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- QAR(L)
- Vars
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- QAR(L)
- Vars
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(J);XP(d)
- Threat
- QAB(L)
- Vars
- Q(a);OGATE,XS(J)::R1(I),XQ(a)
- B(f);N_GUARD::B(A),XP(e)
- Refutation
- Q(a);
- Try
- S(J);
- Threat
- QAB(L)
- Vars
- Q(a);N_GUARD::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(J);
- Threat
- QAB(L)
- Vars
- Q(a);N_GUARD::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(J);
- Threat
- QAB(L)
- Vars
- Q(a);N_GUARD::R1(I),XP(d)
- Refutation
- B(f);
- Try
- S(J);
- Threat
- QAB(L)
- Vars
- Q(a);N_GUARD::R1(I),XP(d)
- Refutation
- B(f);
- Try
- B(F);XP(d)
- Threat
- S(H)
- Vars
- Q(a);N_GUARD,XP(B)::R1(C)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- S(H)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- S(H)
- Vars
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- Q(a);N_GUARD::R1(I),XP(d)
- Refutation
- P(d);
- Try
- Q(L);
- Threat
- DUALS(4)
- Vars
- Q(a);N_GUARD,XP(B)::R1(I),XP(d)
- Refutation
- B(f);
- Try
- Q(L);
- Threat
- DUALS(8)
- Refutation
- B(f);
- Try
- Actual
- S(J);
- Threat
- QAB(L)
- Vars
- Q(a);N_GUARD::R1(I),XP(d)
- B(f);N_GUARD::B(A),XP(e)
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