MESON Chess Problem Database
Problem Display
PID: 54986 (5K2/8/4p1p1/1N1np3/4k1N1/3p1R1Q/2p1b1P1/b1BnR3 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st HM., Die Schwalbe, 1999/I
#2
8 + 10
| 23 | Die Schwalbe | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Sd6#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...S1c3
- 2.Sf2#
- 1...S1e3
- 2.Sf2#
- 1...S5c3
- 2.Sf6#
- 1...S5e3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...g5
- 2.Qh7#
- 1...Bd4
- Tries
- 1.Bb2?
- threat
- 2.Sd6#
- 1...Sxb2
- 2.Sf2#
- 1...S5c3
- 2.Sf6#
- 1...S5e3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...S1c3
- 2.Sf2#
- 1...Bxb2!
- threat
- 1.Be3?
- threat
- 2.Sd6#
- 1...S1xe3
- 2.Sf2#
- 1...S5xe3
- 2.Sf6#
- 1...S5c3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...d2!
- threat
- 1.Rxd1?
- threat
- 2.Sf2#
- 1...Sc3
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Bd4
- 2.Sd6#
- 1...cxd1S!
- threat
- 1.Rxe2+?
- 1...S1e3
- 2.Sf2#
- 1...S5e3
- 2.Sf6#
- 1...dxe2!
- 1...S1e3
- 1.Rff1?
- threat
- 2.Qf3#
- 1...S5e3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...S1e3!
- threat
- 1.Rf2?
- threat
- 2.Qf3#
- 1...S5e3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...S1e3!
- threat
- 1.Rf4+?
- 1...Sxf4
- 2.Sf6#
- 1...exf4!
- 1...Sxf4
- 1.Rf6?
- threat
- 2.Qf3#
- 1...S1e3
- 2.Sf2#
- 1...S5e3!
- threat
- 1.Rf7?
- threat
- 2.Qf3#
- 1...S1e3
- 2.Sf2#
- 1...S5e3!
- threat
- 1.Qh4?
- threat
- 2.Sf2#
- 2.Sf6#
- 1...S5c3
- 2.Se3#
- 2.Sf6#
- 1...S5e3
- 2.Sxe3#
- 2.Sf6#
- 1...Sb4
- 2.Se3#
- 2.Sf6#
- 1...Sb6
- 2.Se3#
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Se3#
- 2.Sf6#
- 1...Se7
- 2.Se3#
- 2.Sf6#
- 1...Sf2
- 2.Sxf2#
- 2.Sf6#
- 1...Sf4!
- threat
- 1.Qh5?
- threat
- 2.Qxg6#
- 1...S5c3
- 2.Sf6#
- 2.Qxe5#
- 1...S5e3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...S1e3
- 2.Sf2#
- 1...g5
- 2.Qg6#
- 2.Qh7#
- 1...gxh5!
- threat
- 1.Qh6?
- threat
- 2.Qxg6#
- 1...S5c3
- 2.Sf6#
- 1...S5e3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...S1e3
- 2.Sf2#
- 1...g5
- 2.Qg6#
- 2.Qh7#
- 1...Sf4!
- threat
- 1.Qh7?
- threat
- 2.Qxg6#
- 1...S5c3
- 2.Sf6#
- 1...S5e3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...S1e3
- 2.Sf2#
- 1...Sf4!
- threat
- 1.Bb2?
- Keys
- 1.Rf5!
- threat
- 2.Qf3#
- 1...Kxf5
- 2.Sd6#
- 1...S5e3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...S1e3
- 2.Sf2#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- B(a);SBLOCK::S(G)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(b);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(j);OGATEB::QAB(E)
- Tries
- Try
- B(A);
- Threat
- S(G)
- Vars
- S(b);N_GUARD,XB(A)::S(F)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(b);N_GUARD::S(F)
- Refutation
- B(a);XB(A)
- Try
- B(A);N_PINB(d)
- Threat
- S(G)
- Vars
- S(b);N_GUARD,XB(A)::S(F)
- S(g);N_GUARD,XB(A)::S(F)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- Refutation
- P(e);
- Try
- R(B);N_PINB(d),XS(b)
- Threat
- S(F)
- Vars
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- B(a);SBLOCK::S(G)
- Refutation
- P(c);XR(B)
- Try
- R(B);CHECK,XB(d)
- Vars
- S(b);P_SPINS(b)::S(F)
- S(g);P_SPINS(g)::S(F)
- Refutation
- P(e);XR(B)
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F)
- Refutation
- S(b);N_SPINB(d)
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F)
- Refutation
- S(b);N_SPINB(d)
- Try
- R(D);CHECK
- Vars
- S(g);XR(D)::S(F)
- Refutation
- P(h);XR(D)
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- S(b);N_GUARD,N_SPINB(d)::S(F)
- Refutation
- S(g);N_SPINB(d)
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- S(b);N_GUARD,N_SPINB(d)::S(F)
- Refutation
- S(g);N_SPINB(d)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(g);::QAR(E)+S(F),DCHECK,XS(g)
- Refutation
- S(g);
- Try
- Q(E);
- Threat
- QAB(E),XP(j)
- Vars
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(b);N_GUARD,N_SPINB(d)::S(F)
- Refutation
- P(j);XQ(E)
- Try
- Q(E);
- Threat
- QAB(E),XP(j)
- Vars
- S(g);N_GUARD::S(F)
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(b);N_GUARD,N_SPINB(d)::S(F)
- Refutation
- S(g);
- Try
- Q(E);P_PINP(j)
- Threat
- QAB(E),XP(j)
- Vars
- S(g);N_GUARD::S(F)
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(b);N_GUARD,N_SPINB(d)::S(F)
- Refutation
- S(g);
- Try
- Actual
- R(D);
- Threat
- QAB1(E)
- Vars
- K(f);N_SPINB(d),S_FLIGHT,XR(D)::S(G)
- S(g);N_GUARD,N_SPINB(d)::S(F)
- S(g);N_GUARD::S(F)
- S(b);N_GUARD,N_SPINB(d)::S(F)
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