MESON Chess Problem Database
Problem Display
PID: 15756 (1B6/8/6B1/1k1N2b1/3prQ2/R4pqp/K1R3p1/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd Prize, Schach-Aktiv, 1987
#2
7 + 8
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bd3#
- 1...Re2
- 2.Bd3#
- 1...Rxf4
- 2.Bd3#
- 2.Be8#
- 1...Re5
- 2.Bd3#
- 1...Re6
- 2.Bd3#
- 1...Re7
- 2.Bd3#
- 1...Re8
- 2.Bd3#
- 2.Bxe8#
- 1...Be7
- 2.Be8#
- 1...Re1
- Tries
- 1.Bxe4?
- threat
- 2.Bd3#
- 1...d3
- 2.Bxd3#
- 1...f2!
- threat
- 1.Bf5?
- threat
- 2.Bd7#
- 1...Re6
- 2.Bd3#
- 1...Re7
- 2.Bd3#
- 1...Qg4!
- threat
- 1.Be5?
- threat
- 2.Be8#
- 1...Rxe5
- 2.Bd3#
- 1...Qg4!
- threat
- 1.Bd6?
- threat
- 2.Rc5#
- 1...Re2
- 2.Bd3#
- 1...Qf2!
- threat
- 1.Qd2?
- threat
- 2.Ra5#
- 2.Qb4#
- 2.Qa5#
- 2.Qd3#
- 1...Qe1
- 2.Ra5#
- 2.Qd3#
- 1...Qd6
- 2.Ra5#
- 2.Qa5#
- 2.Qd3#
- 1...Qc7
- 2.Qb4#
- 1...Re3
- 2.Ra5#
- 2.Qb4#
- 2.Qa5#
- 1...Be7
- 2.Be8#
- 2.Ra5#
- 2.Qa5#
- 2.Qd3#
- 1...Bd8
- 2.Qb4#
- 2.Qd3#
- 1...f2
- 2.Ra5#
- 2.Qb4#
- 2.Qa5#
- 1...d3
- 2.Ra5#
- 2.Qa5#
- 1...Bxd2!
- threat
- 1.Qd6?
- threat
- 2.Sc7#
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Qg4
- 2.Sc7#
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 1...Qe1
- 2.Sc7#
- 2.Rc5#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Qf2
- 2.Sc7#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Re2
- 2.Sc7#
- 2.Bd3#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Re6
- 2.Sc7#
- 2.Bd3#
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 1...Re7
- 2.Bd3#
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 1...Bd2
- 2.Sc7#
- 2.Rc5#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Be7
- 2.Sc7#
- 2.Be8#
- 2.Rc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Bd8
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qc6#
- 2.Qd7#
- 1...d3
- 2.Sc7#
- 2.Rc5#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 1...Qxd6!
- threat
- 1.Qc7?
- threat
- 2.Rb2#
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Qg4
- 2.Rb2#
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 1...Qe1
- 2.Rc5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Qf2
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Qd6
- 2.Ra5#
- 2.Qa5#
- 2.Qc4#
- 1...Re2
- 2.Bd3#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Re3
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Re6
- 2.Bd3#
- 2.Rb2#
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qc4#
- 2.Qc5#
- 1...Re7
- 2.Bd3#
- 2.Rb2#
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Bc1
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Bd2
- 2.Rc5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Be7
- 2.Be8#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Bd8
- 2.Rb2#
- 2.Rc5#
- 2.Ra5#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qd7#
- 1...f2
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...d3
- 2.Rc5#
- 2.Ra5#
- 2.Qa5#
- 2.Qb6#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 2.Qd7#
- 1...Qxc7!
- threat
- 1.Qxe4?
- threat
- 2.Be8#
- 2.Qd3#
- 2.Qe8#
- 1...Qxb8
- 2.Qd3#
- 1...Qg4
- 2.Qd3#
- 1...Qe1
- 2.Be8#
- 2.Qd3#
- 1...Qe5
- 2.Qd3#
- 1...Qd6
- 2.Qd3#
- 1...Be7
- 2.Be8#
- 2.Qd3#
- 1...f2
- 2.Be8#
- 2.Qe8#
- 1...d3
- 2.Be8#
- 2.Qxd3#
- 2.Qa4#
- 2.Qb4#
- 2.Qc4#
- 2.Qe8#
- 1...Qc7!
- threat
- 1.Qf8?
- threat
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 1...Qe1
- 2.Rc5#
- 2.Qc5#
- 1...Qf2
- 2.Qb4#
- 2.Qc5#
- 1...Qc7
- 2.Qb4#
- 1...Re2
- 2.Bd3#
- 2.Qb4#
- 2.Qc5#
- 1...Re7
- 2.Bd3#
- 1...Bd2
- 2.Rc5#
- 2.Qc5#
- 1...Be7
- 2.Be8#
- 2.Qe8#
- 1...d3
- 2.Rc5#
- 2.Qc5#
- 1...Qd6!
- threat
- 1.Bxe4?
- Keys
- 1.Ba7!
- threat
- 2.Rc5#
- 1...Qf2
- 2.Qb8#
- 1...Re2
- 2.Bd3#
- 1...Be7
- 2.Be8#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(f);OGATE::B(F)
- R(f);OGATE,P_PINR(B)::B(F)
- B(h);S_CUTR(f)::B(F)
- Tries
- Try
- B(F);XR(f)
- Threat
- B(F)
- Vars
- P(e);::B(F),XP(e)
- Refutation
- P(b);
- Try
- B(F);
- Threat
- B(F)
- Vars
- R(f);OGATE::B(F)
- Refutation
- Q(c);
- Try
- B(G);
- Threat
- B(F)
- Vars
- R(f);OGATE,XB(G)::B(F)
- Refutation
- Q(c);
- Try
- B(G);
- Threat
- R1(B)
- Vars
- R(f);OGATE,P_PINR(B)::B(F)
- Refutation
- Q(c);P_PINR(B)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- Q(c);::QAR1(D)
- Refutation
- B(h);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(8)
- Refutation
- Q(c);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(10)
- Refutation
- Q(c);XQ(D)
- Try
- Q(D);XR(f)
- Threat
- DUALS(3)
- Vars
- Q(c);XB(G)::QAB(D)
- Q(c);::QAB(D)
- Refutation
- Q(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- Q(c);::QAR1(D)
- R(f);OGATE::B(F)
- Refutation
- Q(c);
- Try
- Actual
- B(G);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD,P_PINR(B)::QAR(D)
- R(f);OGATE,P_PINR(B)::B(F)
- B(h);S_CUTR(f)::B(F)
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