MESON Chess Problem Database
Problem Display
PID: 42398 (7b/1NpQ4/pp6/3pp3/2pk2p1/1PN5/2PB1P1n/K6b w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
3rd Prize, UV CSTV, 1983
#2
8 + 11
| 3485 | Sachova skladba | 1985 |
| 3748 | FIDE Album (1983-1985) | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Se2#
- 1...Sf3
- 2.Qxd5#
- 1...cxb3
- 2.Qa4#
- 1...e4
- 2.Qxd5#
- 1...Be4
- Tries
- 1.Kb2?
- threat
- 2.Be3#
- 1...cxb3
- 2.Qa4#
- 1...e4
- 2.Qxd5#
- 1...Sf1!
- threat
- 1.Qf5?
- threat
- 2.Se2#
- 1...cxb3
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Qh7?
- threat
- 2.Se2#
- 1...cxb3
- 2.Qd3#
- 1...e4
- 2.Qxh8#
- 1...Bf3!
- threat
- 1.f3?
- threat
- 2.Se2#
- 2.Qxd5#
- 1...Sxf3
- 2.Qxd5#
- 1...cxb3
- 2.Qa4#
- 2.Qxd5#
- 1...gxf3
- 2.Qxd5#
- 1...e4
- 2.Qxd5#
- 1...c6
- 2.Se2#
- 1...Bxf3!
- threat
- 1.Kb2?
- Keys
- 1.Qxc7!
- threat
- 2.Qxb6#
- 1...cxb3
- 2.Be3#
- 1...e4
- 2.Se2#
- 1...b5
- 2.Qb6#
- 2.Qc5#
- threat
- 1.Qxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(a);SBLOCK::S(F)
- S(b);S_CUTB(a)::QAR1(H),XP(f)
- P(c);OGATEB,XP(E)::QAR(H)
- P(g);S_CUTB(a)::QAR1(H),XP(f)
- Tries
- Try
- K(A);S_FLIGHT
- Threat
- B(C)
- Vars
- P(c);OGATEB,XP(E)::QAR(H)
- P(g);S_CUTB(a)::QAR1(H),XP(f)
- Refutation
- S(b);
- Try
- Q(H);N_PINP(f)
- Threat
- S(F)
- Vars
- P(c);N_GUARD,XP(E)::QAR1(H)
- Refutation
- B(a);
- Try
- Q(H);N_PINP(f)
- Threat
- S(F)
- Vars
- P(c);N_GUARD,XP(E)::QAR1(H)
- P(g);OGATEB::QAB(H),XB(k)
- Refutation
- B(a);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::QAR1(H),XP(f)
- P(e);XP(D)::QAR1(H),XP(f)
- P(g);::QAR1(H),XP(f)
- P(j);::S(F)
- Refutation
- B(a);XP(D)
- Try
- Actual
- Q(H);N_PINP(f),XP(j)
- Threat
- QAB(H),XP(i)
- Vars
- P(c);XP(E)::B(C)
- P(g);SBLOCK::S(F)
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