MESON Chess Problem Database
Problem Display
PID: 57126 (qBb5/4r2r/6Np/pBQp2R1/3pk2N/2p3P1/5P2/K7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Deutsche Schachzeitung, 1966
#2
9 + 10
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Qxd5#
- 1...Qa7
- 2.Qxd5#
- 1...Qxb8
- 2.Qxd5#
- 1...Re5
- 2.Rxe5#
- 1...Re6
- 2.Rg4#
- 1...Ra7
- 2.Re5#
- 1...Rb7
- 2.Re5#
- 2.Qxd5#
- 1...Rc7
- 2.Re5#
- 1...Rd7
- 2.Rg4#
- 2.Re5#
- 1...Ref7
- 2.Re5#
- 1...Reg7
- 2.Re5#
- 1...Bg4
- 2.Rxg4#
- 1...Ba6
- 2.Rg4#
- 1...Be6
- 2.Re5#
- 1...Bb7
- 2.Rg4#
- 1...d3
- 2.Qe3#
- 2.f3#
- 1...Qa6
- Tries
- 1.Sf4?
- threat
- 2.Bd3#
- 1...Qa6
- 2.Qxd5#
- 1...d3
- 2.Bxd3#
- 2.Qe3#
- 2.f3#
- 1...Ba6!
- threat
- 1.Se5?
- threat
- 2.Bd3#
- 1...Rxe5
- 2.Rxe5#
- 1...Ba6
- 2.Rg4#
- 1...d3
- 2.Bxd3#
- 2.Qe3#
- 2.f3#
- 1...Qa6!
- threat
- 1.Be5?
- threat
- 2.Qxd4#
- 1...Rxe5
- 2.Rxe5#
- 1...d3
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...Qa7!
- threat
- 1.Rxd5?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Qa7
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 2.Qxd4#
- 1...d3
- 2.Bxd3#
- 2.Rd4#
- 2.Qd4#
- 2.Qc4#
- 2.f3#
- 1...Qxd5!
- threat
- 1.Qxe7+?
- 1...Be6
- 2.Rg4#
- 2.Re5#
- 2.Qxe6#
- 1...Rxe7!
- 1...Be6
- 1.Qxc3?
- threat
- 2.Bd3#
- 2.Qe1#
- 2.Qd3#
- 2.Qf3#
- 2.f3#
- 1...Qa6
- 2.Qe1#
- 2.Qd3#
- 2.Qf3#
- 2.f3#
- 1...Ref7
- 2.Bd3#
- 2.Re5#
- 2.Qe1#
- 2.Qd3#
- 1...Rhf7
- 2.Bd3#
- 2.Qe1#
- 2.Qd3#
- 1...Bg4
- 2.Bd3#
- 2.Rxg4#
- 2.Qd3#
- 1...Ba6
- 2.Rg4#
- 2.Qe1#
- 2.Qd3#
- 2.Qf3#
- 2.f3#
- 1...d3
- 2.Bxd3#
- 2.Qxd3#
- 1...dxc3!
- threat
- 1.Qc4?
- threat
- 2.Qe2#
- 2.Qd3#
- 1...Bg4
- 2.Rxg4#
- 2.Qd3#
- 1...dxc4!
- threat
- 1.Qxc8?
- threat
- 2.Rg4#
- 2.Qg4#
- 2.Qf5#
- 1...Qxb8
- 2.Qf5#
- 1...hxg5
- 2.Qg4#
- 2.Qf5#
- 1...d3
- 2.Rg4#
- 2.Qg4#
- 1...Re5
- 2.Rg4#
- 2.Rxe5#
- 2.Qg4#
- 1...Re6
- 2.Rg4#
- 2.Qxe6#
- 1...Rd7
- 2.Rg4#
- 2.Re5#
- 1...Ref7
- 2.Re5#
- 2.Qe6#
- 1...h5
- 2.Qf5#
- 1...Rhf7!
- threat
- 1.Sf4?
- Keys
- 1.Ba7!
- threat
- 2.Qxd4#
- 1...Qxa7
- 2.Qxd5#
- 1...Rxa7
- 2.Re5#
- 1...d3
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(i);N_GUARD::QAB1(F),XP(e)
- Q(i);N_GUARD,XB(I)::QAB1(F),XP(e)
- R(g);N_GUARD::R1(G),XR(g)
- R(g);S_CUTB(j)::R(G)
- R(g);N_GUARD::R1(G)
- B(j);N_GUARD::R(G),XB(j)
- B(j);N_GUARD::R(G)
- B(j);S_CUTR(g)::R1(G)
- Tries
- Try
- S(H);
- Threat
- B(E)
- Vars
- Q(i);N_GUARD::QAB1(F),XP(e)
- Refutation
- B(j);
- Try
- S(H);
- Threat
- B(E)
- Vars
- R(g);OGATE,XS(H)::R1(G),XR(g)
- B(j);N_GUARD::R(G)
- Refutation
- Q(i);
- Try
- B(I);
- Threat
- QAR1(F),XP(b)
- Vars
- R(g);OGATE,XB(I)::R1(G),XR(g)
- Refutation
- Q(i);
- Try
- R(G);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(i);::R1(G),XP(b)
- Refutation
- Q(i);XR(G)
- Try
- Q(F);CHECK,XR(g)
- Refutation
- R(h);XQ(F)
- Try
- Q(F);XP(a)
- Threat
- DUALS(5)
- Refutation
- P(b);XQ(F)
- Try
- Q(F);P_PINP(b)
- Threat
- DUALS(2)
- Refutation
- P(e);N_SPINP(b),XQ(F)
- Try
- Q(F);XB(j)
- Threat
- DUALS(3)
- Vars
- Q(i);XB(I)::QAB1(F)
- P(f);::QAB1(F)
- Refutation
- R(h);
- Try
- Actual
- B(I);
- Threat
- QAR1(F),XP(b)
- Vars
- Q(i);N_GUARD,XB(I)::QAB1(F),XP(e)
- R(g);N_GUARD,XB(I)::R1(G)
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