MESON Chess Problem Database
Problem Display
PID: 82057 (2bK4/2p3B1/2Q1R3/1n1N1krP/5b2/r2q1P1N/8/1B6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Magasinet, 1955
#2
9 + 8
| 6490 | yacpdb | 2009 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qxb1
- 2.Se7#
- 1...Qc2
- 2.Se7#
- 1...Qe4
- 2.Se7#
- 2.Bxe4#
- 1...Ra1
- 2.Bxd3#
- 1...Ra2
- 2.Bxd3#
- 1...Ra5
- 2.Bxd3#
- 1...Ra6
- 2.Bxd3#
- 1...Ra7
- 2.Bxd3#
- 1...Ra8
- 2.Bxd3#
- 1...Bc1
- 2.Re5#
- 1...Bd2
- 2.Re5#
- 1...Be3
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Bd7
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Qxb1
- Tries
- 1.Sxf4?
- threat
- 2.Re5#
- 1...Bxe6
- 2.Qxe6#
- 1...Rxg7!
- threat
- 1.Bd4?
- threat
- 2.Se7#
- 2.Rf6#
- 1...Bxe6
- 2.Se7#
- 1...Sxd4
- 2.Se7#
- 1...Bd6
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Rg6
- 2.Se7#
- 1...Rg7
- 2.Rf6#
- 1...Be5
- 2.Se3#
- 2.Se7#
- 2.Rxe5#
- 1...Rg8+!
- threat
- 1.Re1?
- threat
- 2.Qf6#
- 1...Ra6
- 2.Bxd3#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Se7#
- 1...Bd6!
- threat
- 1.Re2?
- threat
- 2.Qf6#
- 1...Ra6
- 2.Bxd3#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Se7#
- 1...Bd6!
- threat
- 1.Re3?
- threat
- 2.Qf6#
- 1...Ra6
- 2.Bxd3#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Se7#
- 1...Bd6!
- threat
- 1.Rh6?
- threat
- 2.Qf6#
- 1...Bd6
- 2.Se3#
- 1...Ra6
- 2.Bxd3#
- 1...Rg6
- 2.Qxg6#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Se7#
- 1...Be5!
- threat
- 1.Re7?
- threat
- 2.Rf7#
- 2.Qf6#
- 1...Rxg7
- 2.Qf6#
- 1...Bd6
- 2.Se3#
- 1...Ra6
- 2.Bxd3#
- 2.Rf7#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6!
- threat
- 1.Re8?
- threat
- 2.Rf8#
- 2.Qf6#
- 1...Rxg7
- 2.Qf6#
- 1...Bd6
- 2.Se3#
- 1...Ra6
- 2.Bxd3#
- 2.Rf8#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6!
- threat
- 1.Qe8?
- threat
- 2.Rf6#
- 2.Qf7#
- 1...Rxg7
- 2.Rf6#
- 1...Ra6
- 2.Bxd3#
- 2.Qf7#
- 1...Rg6
- 2.Qxg6#
- 1...Be5
- 2.Rxe5#
- 1...Sd6
- 2.Rf6#
- 1...Bxe6!
- threat
- 1.Sxf4?
- Keys
- 1.Rg6!
- threat
- 2.Qf6#
- 1...Rxg6
- 2.Qxg6#
- 1...Bd6
- 2.Se3#
- 1...Ra6
- 2.Bxd3#
- 1...Be5
- 2.Rxg5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Se7#
- threat
- 1.Rg6!
This is a version of 82056
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- Q(b);N_PINS(D),N_SPINQ(b),XB(A)::S(D)
- Q(b);N_PINS(D)::S(D)
- R(a);N_GUARD::B(A),XQ(b)
- B(c);N_GUARD::R1(G)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_PINS(D)::S(D)
- S(d);N_PINS(D)::S(D)
- Tries
- Try
- S(C);XB(c)
- Threat
- R1(G)
- Vars
- B(h);OGATE,XR(G)::QAB1(F),XB(h)
- Refutation
- R(f);XB(H)
- Try
- B(H);N_SPINS(D)
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::S(D)
- S(d);XB(H)::S(D)
- B(c);::R1(G)
- S(d);::R1(G)
- R(f);::S(D)
- R(f);::R1(G)
- Refutation
- R(f);CHECK
- Try
- R(G);
- Threat
- QAR1(F)
- Vars
- R(a);N_GUARD::B(A),XQ(b)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_GUARD::QAB1(F),XB(h)
- S(d);N_PINS(D)::S(D)
- Refutation
- B(c);N_PINS(D)
- Try
- R(G);
- Threat
- QAR1(F)
- Vars
- R(a);N_GUARD::B(A),XQ(b)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_GUARD::QAB1(F),XB(h)
- S(d);N_PINS(D)::S(D)
- Refutation
- B(c);N_PINS(D)
- Try
- R(G);
- Threat
- QAR1(F)
- Vars
- R(a);N_GUARD::B(A),XQ(b)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_GUARD::QAB1(F),XB(h)
- S(d);N_PINS(D)::S(D)
- Refutation
- B(c);N_PINS(D)
- Try
- R(G);
- Threat
- QAR1(F)
- Vars
- B(c);N_PINS(D)::S(D)
- R(a);N_GUARD::B(A),XQ(b)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(h);N_GUARD::QAB1(F),XB(h)
- S(d);N_PINS(D)::S(D)
- Refutation
- B(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(f);XB(H)::QAR1(F)
- B(c);N_PINS(D)::S(D)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_GUARD::QAB1(F),XB(h)
- Refutation
- S(d);N_PINS(D)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(f);XB(H)::QAR1(F)
- B(c);N_PINS(D)::S(D)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- B(h);N_GUARD::QAB1(F),XB(h)
- Refutation
- S(d);N_PINS(D)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(f);XB(H)::R1(G)
- R(f);N_GUARD::QAB1(F),XR(f)
- B(c);N_GUARD::R1(G),XB(c)
- S(d);N_PINS(D)::R1(G)
- Refutation
- B(h);XR(G)
- Try
- Actual
- R(G);
- Threat
- QAR1(F)
- Vars
- R(f);OGATE,XR(G)::QAB1(F),XR(f)
- B(c);N_PINS(D)::S(D)
- R(a);N_GUARD::B(A),XQ(b)
- B(c);N_GUARD::R1(G),XR(f)
- B(h);N_GUARD::QAB1(F),XB(h)
- S(d);N_PINS(D)::S(D)
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