MESON Chess Problem Database
Problem Display
PID: 10079 (8/3p2K1/4P3/1N2kp1Q/2PR4/2n3P1/8/6B1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd Prize, Tidskrift for Schack, 1961
#2
8 + 4
| 5503 | ISC | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Qe8#
- 1...Sb1
- 2.Qe2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sa4
- 2.Qe2#
- 1...Sxb5
- 2.Qe2#
- 1...Kxe6
- Tries
- 1.Kg6?
- threat
- 2.Qxf5#
- 1...dxe6
- 2.Qh8#
- 1...Kxe6!
- threat
- 1.Kf7?
- threat
- 2.Qh8#
- 1...Se4
- 2.Rd5#
- 1...Sd5!
- threat
- 1.Sxc3?
- threat
- 2.Qe2#
- 1...Kxe6
- 2.Qe2#
- 2.Qe8#
- 1...d5!
- threat
- 1.Sd6?
- threat
- 2.Qxf5#
- 1...Kxe6
- 2.Qe8#
- 1...dxe6
- 2.Sf7#
- 1...Sd5!
- threat
- 1.Rf4?
- threat
- 2.Qxf5#
- 1...Kxe6
- 2.Qe8#
- 1...dxe6
- 2.Bd4#
- 1...Sxb5!
- threat
- 1.Rd5+?
- 1...Ke4
- 2.Sxc3#
- 2.Sd6#
- 2.Qh1#
- 2.Qxf5#
- 1...Kxe6
- 2.Qf7#
- 2.Qe8#
- 1...Sxd5!
- 1...Ke4
- 1.Qg6?
- threat
- 2.Qf6#
- 1...Se4
- 2.Rd5#
- 1...Sd5!
- threat
- 1.Qf7?
- threat
- 2.Qf6#
- 1...Se4
- 2.Rd5#
- 1...Sd5!
- threat
- 1.Qh6?
- threat
- 2.Qf6#
- 1...Se4
- 2.Rd5#
- 1...Sd5!
- threat
- 1.exd7?
- threat
- 2.Qe8#
- 1...Ke6
- 2.Qe8#
- 1...Sd5!
- threat
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Ke6
- 2.e8Q#
- 2.e8R#
- 1...Sxb5
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Sb1
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Sd1
- 2.e8Q#
- 2.e8R#
- 1...Sa2
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Se2
- 2.Qxe2#
- 2.e8Q#
- 2.e8R#
- 1...Sa4
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Se4
- 2.e8Q#
- 2.e8R#
- 1...d5
- 2.e8Q#
- 2.e8R#
- 1...d6
- 2.e8Q#
- 2.e8R#
- 1...Sd5!
- threat
- 1.Kg6?
- Keys
- 1.g4!
- threat
- 2.Qxf5#
- 1...Kxe6
- 2.Qe8#
- 1...dxe6
- 2.Bh2#
- threat
- 1.g4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(b);N_SPINP(c),OGATEB,P-FLIGHT,XP(G)::QAR2(F)
- S(a);N_GUARD::QAR(F)
- S(a);N_GUARD::QAR(F),XS(a)
- S(a);N_GUARD,XS(E)::QAR(F)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- QAR1(F),XP(c)
- Vars
- P(d);SBLOCK,XP(G)::QAB(F)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,XP(G)
- Try
- K(H);P-FLIGHT
- Threat
- QAB(F)
- Vars
- S(a);N_GUARD,SBLOCK::R1(D)
- Refutation
- S(a);
- Try
- S(E);XS(a)
- Threat
- QAR(F)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- QAR1(F),XP(c)
- Vars
- K(b);N_SPINP(c),OGATEB,P-FLIGHT,XP(G)::QAR2(F)
- P(d);SBLOCK,XP(G)::S(E)
- Refutation
- S(a);
- Try
- R(D);
- Threat
- QAR1(F),XP(c)
- Vars
- K(b);N_SPINP(c),OGATEB,P-FLIGHT,XP(G)::QAR2(F)
- P(d);SBLOCK,XP(G)::B(A)
- Refutation
- S(a);XS(E)
- Try
- R(D);CHECK
- Refutation
- S(a);XR(D)
- Try
- Q(F);N_PINP(c)
- Threat
- QAB1(F)
- Vars
- S(a);N_GUARD,SBLOCK::R1(D)
- Refutation
- S(a);
- Try
- Q(F);N_PINP(c)
- Threat
- QAB1(F)
- Vars
- S(a);N_GUARD,SBLOCK::R1(D)
- Refutation
- S(a);
- Try
- Q(F);N_PINP(c)
- Threat
- QAB1(F)
- Vars
- S(a);N_GUARD,SBLOCK::R1(D)
- Refutation
- S(a);
- Try
- P(G);XP(d)
- Threat
- QAR(F)
- Vars
- K(b);N_SPINP(c),P-FLIGHT::QAR2(F)
- Refutation
- S(a);
- Try
- P(G);
- Threat
- P=Q
- Vars
- K(b);N_SPINP(c),P-FLIGHT::P=Q
- S(a);::P=Q
- P(d);::P=Q
- Refutation
- S(a);
- Try
- Actual
- P(B);
- Threat
- QAR1(F),XP(c)
- Vars
- K(b);N_SPINP(c),OGATEB,P-FLIGHT,XP(G)::QAR2(F)
- P(d);SBLOCK,XP(G)::B(A)
Developed and maintained by Brian Stephenson.
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