MESON Chess Problem Database
Problem Display
PID: 82177 (B7/K2p4/pN6/1bpN1R1n/2pk3B/5pr1/3P1n2/1QR5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach-Echo, 1975
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bxf2#
- 1...Rh3
- 2.Bxf2#
- 1...Rg4
- 2.Bxf2#
- 1...Rg5
- 2.Bxf2#
- 1...Rg6
- 2.Bxf2#
- 1...Rg7
- 2.Bxf2#
- 1...Rg8
- 2.Bxf2#
- 1...Ba4
- 2.Rxc4#
- 1...Bc6
- 2.Rxc4#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...c3
- 2.dxc3#
- 1...Rg1
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Rg5
- 2.Bxf2#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...Bc6!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Bc6
- 2.Rxc4#
- 1...Sd3
- 2.Sc2#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...Rg5!
- threat
- 1.Sf4?
- threat
- 2.Rd5#
- 1...Sxf4
- 2.Bf6#
- 1...Rg5
- 2.Bxf2#
- 1...Bc6
- 2.Rxc4#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Sf6?
- threat
- 2.Rd5#
- 1...Sxf6
- 2.Bxf6#
- 1...Rg5
- 2.Bxf2#
- 1...Bc6
- 2.Rxc4#
- 1...d5
- 2.Rxd5#
- 1...Sf4!
- threat
- 1.Sc7?
- threat
- 2.Rd5#
- 1...Rg5
- 2.Bxf2#
- 1...Bc6
- 2.Rxc4#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Se7?
- threat
- 2.Rd5#
- 1...Rg5
- 2.Bxf2#
- 1...Bc6
- 2.Rxc4#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Rf4+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sxf4
- 2.Bf6#
- 1...Ke5!
- 1...Se4
- 1.Sc3?
- Keys
- 1.Sb4!
- threat
- 2.Rd5#
- 1...Rg5
- 2.Bxf2#
- 1...Bc6
- 2.Rxc4#
- 1...Sd3
- 2.Sc2#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- P(d);OGATE::P(C),XP(d)
- Tries
- Try
- S(E);
- Threat
- R1(F)
- Vars
- R(c);OGATE::B(D),XS(a)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- P(j);::R1(F),XP(j)
- Refutation
- B(f);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- B(f);N_GUARD::R1(B),XP(d)
- S(a);SBLOCK::S(E)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- P(j);::R1(F),XP(j)
- Refutation
- R(c);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- S(h);N_GUARD,XS(E)::B(D)
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- S(h);N_GUARD::B(D),XS(h)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- S(h);OGATE,XS(E)::B(D),XS(h)
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- P(j);::R1(F),XP(j)
- Refutation
- S(h);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- P(j);::R1(F),XP(j)
- Refutation
- S(a);
- Try
- R(F);CHECK
- Vars
- S(h);XR(F)::B(D)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- S(E);
- Threat
- R1(F)
- Vars
- R(c);OGATE::B(D),XS(a)
- B(f);N_GUARD::R1(B),XP(d)
- S(a);SBLOCK::S(E)
- S(h);N_GUARD::B(D)
- S(h);N_GUARD::B(D),XS(h)
- P(j);::R1(F),XP(j)
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