MESON Chess Problem Database
Problem Display
PID: 49713 (qn6/6Q1/pbkp3R/p1N2B2/2P5/3N4/6b1/KR6 w - - 0 1)
Shedey, Sergey Oleksandrovich
1st Place, Azerbaijan Championship, 1986
#2
8 + 8
| 5159 | FIDE Album (1986-1988) (Annexe) | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Qxb7#
- 1...Bf1
- 2.Be4#
- 1...Bh3
- 2.Be4#
- 1...Be4
- 2.Bxe4#
- 1...Bxc5
- 2.Se5#
- 1...Bc7
- 2.Qxg2#
- 1...Sd7
- 2.Qxd7#
- 1...Qb7
- Tries
- 1.Sa4?
- threat
- 2.Se5#
- 2.Rxb6#
- 1...Sd7
- 2.Qxd7#
- 1...Qb7
- 2.Se5#
- 1...Qa7
- 2.Se5#
- 1...Bg1
- 2.Se5#
- 1...Bf2
- 2.Se5#
- 1...Be3
- 2.Se5#
- 1...Bc5
- 2.Se5#
- 1...Ba7
- 2.Se5#
- 1...Bc7
- 2.Se5#
- 2.Qxg2#
- 1...Bd8
- 2.Se5#
- 1...Bd4+!
- threat
- 1.Se4?
- threat
- 2.Se5#
- 2.Rxd6#
- 1...Bxe4
- 2.Bxe4#
- 1...Sd7
- 2.Qxd7#
- 1...Bc5
- 2.Se5#
- 1...Bc7
- 2.Se5#
- 1...Bd4+!
- threat
- 1.Bd7+?
- 1...Sxd7
- 2.Qxd7#
- 1...Kc7!
- 1...Sxd7
- 1.Rb5?
- threat
- 2.Se5#
- 1...Sd7
- 2.Qxd7#
- 1...axb5!
- threat
- 1.Qd4?
- threat
- 2.Qxd6#
- 1...Kc7
- 2.Qxd6#
- 1...Bxc5
- 2.Qxc5#
- 1...Bc7
- 2.Se5#
- 1...Bd5!
- threat
- 1.Qe5?
- threat
- 2.Qxd6#
- 1...Kc7
- 2.Qxd6#
- 1...Bxc5
- 2.Qxc5#
- 1...Bc7!
- threat
- 1.Qf8?
- threat
- 2.Qxd6#
- 1...Kc7
- 2.Qxd6#
- 2.Qc8#
- 1...Bxc5
- 2.Qc8#
- 1...Bc7!
- threat
- 1.Qg3?
- threat
- 2.Qxd6#
- 1...Kc7
- 2.Qxd6#
- 1...Bc7
- 2.Qxg2#
- 1...Bxc5!
- threat
- 1.Qg6?
- threat
- 2.Qxd6#
- 1...Kc7
- 2.Qxd6#
- 1...Bc7
- 2.Qxg2#
- 1...Bxc5!
- threat
- 1.Qe7?
- threat
- 2.Rxd6#
- 2.Qxd6#
- 1...Bxc5
- 2.Se5#
- 1...Sd7
- 2.Qxd6#
- 2.Qxd7#
- 1...Bc7!
- threat
- 1.Sa4?
- Keys
- 1.Sb3!
- threat
- 2.Se5#
- 1...Bd4+
- 2.Sxd4#
- 1...Bg1
- 2.Sxa5#
- 1...Bf2
- 2.Sxa5#
- 1...Be3
- 2.Sxa5#
- 1...Bc5
- 2.Sxa5#
- 1...Ba7
- 2.Sxa5#
- 1...Bc7
- 2.Sd4#
- 1...Bd8
- 2.Sd4#
- 1...Sd7
- 2.Qxd7#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD::QAB1(H),XQ(g)
- B(a);N_GUARD::B(F)
- B(a);N_GUARD::B(F),XB(a)
- B(d);SBLOCK,XS(E)::S(C)
- B(d);SBLOCK::QAB(H),XB(a)
- S(h);N_GUARD::QAB1(H),XS(h)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::QAB1(H),XS(h)
- Q(g);::S(C)
- B(d);::S(C)
- Refutation
- B(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,XS(E)::B(F),XB(a)
- S(h);N_GUARD::QAB1(H),XS(h)
- B(d);::S(C)
- Refutation
- B(d);CHECK
- Try
- B(F);CHECK
- Vars
- S(h);OGATE,XB(F)::QAB1(H),XS(h)
- Refutation
- K(e);N_SPINP(f),P-FLIGHT
- Try
- R(B);
- Threat
- S(C)
- Vars
- S(h);N_GUARD::QAB1(H),XS(h)
- Refutation
- P(c);XR(B)
- Try
- Q(H);
- Threat
- QAR1(H),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAB1(H),XP(f)
- B(d);OGATE,XS(E)::QAR1(H),XB(d)
- B(d);SBLOCK::S(C)
- Refutation
- B(a);
- Try
- Q(H);
- Threat
- QAR1(H),XP(f)
- Vars
- K(e);P-FLIGHT::QAB1(H),XP(f)
- B(d);OGATE,XS(E)::QAR1(H),XB(d)
- Refutation
- B(d);
- Try
- Q(H);
- Threat
- QAR1(H),XP(f)
- Vars
- B(d);N_GUARD,XS(E)::QAR2(H)
- Refutation
- B(d);
- Try
- Q(H);
- Threat
- QAR1(H),XP(f)
- Vars
- K(e);P-FLIGHT::QAB1(H),XP(f)
- B(d);SBLOCK::QAB(H),XB(a)
- Refutation
- B(d);XS(E)
- Try
- Q(H);
- Threat
- QAR1(H),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAB1(H),XP(f)
- B(d);SBLOCK::QAB(H),XB(a)
- Refutation
- B(d);XS(E)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(d);SBLOCK,XS(E)::S(C)
- Refutation
- B(d);
- Try
- Actual
- S(E);
- Threat
- S(C)
- Vars
- B(d);CHECK,N_GUARD::S(E),XB(d)
- B(d);N_GUARD::S(E),XP(b)
- B(d);N_GUARD::S(E)
- S(h);N_GUARD::QAB1(H),XS(h)
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