MESON Chess Problem Database
Problem Display
PID: 219470 (3kN2B/1K6/2P1R3/3n4/8/8/8/8 w - - 0 1)
von Alvensleben, Wichard Udo Reinhard
Schach-Report, 1991
#2
5 + 2
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sb4
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sb6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Sc3
- Tries
- 1.Kb8?
- 1...Sc3
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sb4
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sb6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Se7!
- 1...Sc3
- 1.Sd6?
- threat
- 2.Sf7#
- 2.Re8#
- 1...Sf6
- 2.Sf7#
- 2.Bxf6#
- 1...Sc7
- 2.Sf7#
- 2.Bf6#
- 1...Se7!
- threat
- 1.Sf6?
- threat
- 2.Re8#
- 1...Sxf6
- 2.Bxf6#
- 1...Se7
- 2.Rd6#
- 2.c7#
- 1...Sc7!
- threat
- 1.Bd4?
- 1...Sc7
- 2.Bf6#
- 1...Sc3
- 2.Bb6#
- 2.Bf6#
- 1...Se3
- 2.Bb6#
- 2.Bf6#
- 1...Sb4
- 2.Bb6#
- 2.Bf6#
- 1...Sf4
- 2.Bb6#
- 2.Bf6#
- 1...Sb6
- 2.Bxb6#
- 2.Bf6#
- 1...Sf6
- 2.Bb6#
- 2.Bxf6#
- 1...Se7!
- 1...Sc7
- 1.Be5?
- 1...Sc7
- 2.Bf6#
- 2.Bxc7#
- 1...Sc3
- 2.Bf6#
- 2.Bc7#
- 1...Se3
- 2.Bf6#
- 2.Bc7#
- 1...Sb4
- 2.Bf6#
- 2.Bc7#
- 1...Sf4
- 2.Bf6#
- 2.Bc7#
- 1...Sb6
- 2.Bf6#
- 2.Bc7#
- 1...Sf6
- 2.Bxf6#
- 2.Bc7#
- 1...Se7!
- 1...Sc7
- 1.Bg7?
- 1...Sc3
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sb4
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sb6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Se7!
- 1...Sc3
- 1.Re4?
- 1...Sc3
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sb4
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sb6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Se7!
- 1...Sc3
- 1.Re5?
- 1...Sc3
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sb4
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sb6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Se7!
- 1...Sc3
- 1.c7+?
- 1...Kd7
- 2.c8Q#
- 1...Sxc7!
- 1...Kd7
- 1.Kb8?
- Keys
- 1.Sc7!
- threat
- 2.Re8#
- 1...Sxc7
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Rd6#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- R1(B)
- Vars
- S(a);OGATE,XS(D)::B(E),XS(a)
- Refutation
- S(a);
- Try
- B(E);
- Vars
- S(a);N_GUARD::B(E)
- Refutation
- S(a);
- Try
- B(E);
- Refutation
- S(a);
- Try
- B(E);
- Vars
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Refutation
- S(a);
- Try
- P(A);CHECK
- Vars
- K(b);P-FLIGHT::P=Q
- Refutation
- S(a);XP(A)
- Try
- Actual
- S(D);
- Threat
- R1(B)
- Vars
- S(a);N_GUARD,XS(D)::B(E)
- S(a);N_GUARD::B(E),XS(a)
- S(a);SBLOCK::R(B)
Developed and maintained by Brian Stephenson.
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