MESON Chess Problem Database
Problem Display
PID: 62225 (2q2QB1/4p1R1/2p1N1r1/4pb2/2N5/B1Kp4/P3R3/rk5n w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd Prize, Die Schwalbe, 1977
#2
9 + 10
| 3750 | FIDE Album (1977-1979) | 1984 |
| 56 | The Problemist | 2008 |
| 5503 | ISC | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe6
- 2.Qb8#
- 1...Qb8
- 2.Qxb8#
- 1...Rxa2
- 2.Re1#
- 1...Rg1
- 2.Rxg1#
- 1...Rxe6
- 2.Rg1#
- 1...Rf6
- 2.Rg1#
- 1...Rh6
- 2.Rg1#
- 1...Be4
- 2.Qf1#
- 1...Bg4
- 2.Qf1#
- 1...Bxe6
- 2.Qf1#
- 1...Qxe6
- Tries
- 1.Sd4?
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Qe6
- 2.Qb8#
- 1...Re6
- 2.Rg1#
- 1...Be6
- 2.Qf1#
- 1...e6
- 2.Qb4#
- 1...exd4+!
- threat
- 1.Sf4?
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Qe6
- 2.Qb8#
- 1...Re6
- 2.Rg1#
- 1...e6
- 2.Qb4#
- 1...Be6!
- threat
- 1.Sc5?
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Qe6
- 2.Qb8#
- 1...Re6
- 2.Rg1#
- 1...Be6
- 2.Qf1#
- 1...e6!
- threat
- 1.Sg5?
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Qe6
- 2.Qb8#
- 1...Be6
- 2.Qf1#
- 1...e6
- 2.Qb4#
- 1...Re6!
- threat
- 1.Sd8?
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Re6
- 2.Rg1#
- 1...Be6
- 2.Qf1#
- 1...e6
- 2.Qb4#
- 1...Qe6!
- threat
- 1.Qxf5?
- threat
- 2.Qxd3#
- 2.Qf1#
- 1...Rxa2
- 2.Re1#
- 2.Qf1#
- 1...Qd7
- 2.Qf1#
- 1...Qd8
- 2.Qf1#
- 1...Qf8
- 2.Qxd3#
- 1...Rg1
- 2.Rxg1#
- 2.Qxd3#
- 1...Rg3
- 2.Qf1#
- 1...Rf6
- 2.Rg1#
- 2.Qxd3#
- 1...Sg3
- 2.Qxd3#
- 1...e4
- 2.Qf1#
- 1...Sf2!
- threat
- 1.Sd4?
- Keys
- 1.Sc7!
- threat
- 2.Sd2#
- 1...Rxa2
- 2.Re1#
- 1...d2
- 2.Sxd2#
- 1...Qe6
- 2.Qb8#
- 1...Re6
- 2.Rg1#
- 1...Be6
- 2.Qf1#
- 1...e6
- 2.Qb4#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(j);OGATE,XS(F)::QAB(H)
- Q(j);OGATE::QAB(H),XQ(j)
- R(a);SBLOCK,XP(A)::R(B)
- R(h);OGATE::R(G),XR(h)
- R(h);OGATE,XS(F)::R(G)
- R(h);OGATE::R(G)
- B(f);OGATE::QAR(H)
- B(f);OGATE,XS(F)::QAR(H)
- Tries
- Try
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- Q(j);OGATE::QAB(H)
- R(h);OGATE::R(G)
- B(f);OGATE::QAR(H)
- P(i);OGATE::QAR(H)
- Refutation
- P(e);CHECK,XS(F)
- Try
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- Q(j);OGATE::QAB(H)
- R(h);OGATE::R(G)
- P(i);OGATE::QAR(H)
- Refutation
- B(f);
- Try
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- Q(j);OGATE::QAB(H)
- R(h);OGATE::R(G)
- B(f);OGATE::QAR(H)
- Refutation
- P(i);
- Try
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- Q(j);OGATE::QAB(H)
- B(f);OGATE::QAR(H)
- P(i);OGATE::QAR(H)
- Refutation
- R(h);
- Try
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- R(h);OGATE::R(G)
- B(f);OGATE::QAR(H)
- P(i);OGATE::QAR(H)
- Refutation
- Q(j);
- Try
- Q(H);P_PINP(d),XB(f)
- Threat
- DUALS(2)
- Vars
- Q(j);::QAR(H)
- Q(j);::QAB(H),XP(d)
- R(h);::QAR(H)
- S(c);::QAB(H),XP(d)
- P(e);N_SPINP(d)::QAR(H)
- Refutation
- S(c);
- Try
- Actual
- S(F);
- Threat
- S(E)
- Vars
- R(a);SBLOCK,XP(A)::R(B)
- P(d);::S(E),XP(d)
- Q(j);OGATE::QAB(H)
- R(h);OGATE::R(G)
- B(f);OGATE::QAR(H)
- P(i);OGATE::QAR(H)
Developed and maintained by Brian Stephenson.
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