MESON Chess Problem Database
Problem Display
PID: 44907 (1Q6/2N3p1/5pp1/2nK2k1/5p2/6N1/1B1R4/3B3R w - - 0 1)
Degener, Udo
1st Prize, Pituk-85 JT, 1991
#2
8 + 6
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...f5
- 2.Qd8#
- 1...Sb3
- Tries
- 1.Bf3?
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...f5
- 2.Qd8#
- 1...fxg3!
- 1...Sb3
- 1.Rf2?
- 1...fxg3
- 2.Bc1#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...f5
- 2.Qd8#
- 1...f3!
- 1...fxg3
- 1.Rd4?
- 1...f5
- 2.Qd8#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...f3
- 2.Bc1#
- 1...fxg3!
- 1...f5
- 1.Qb4?
- 1...fxg3
- 2.Qg4#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...f3
- 2.Qh4#
- 1...f5!
- 1...fxg3
- 1.Qc8?
- threat
- 2.Qg4#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...f5
- 2.Qd8#
- 1...f3!
- threat
- 1.Bf3?
- Keys
- 1.Bc1!
- 1...fxg3
- 2.Rf2#
- 1...f3
- 2.Rd4#
- 1...f5
- 2.Qd8#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...fxg3
- 1.Bc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(d);OGATEB::QAB(H)
- Tries
- Try
- B(A);
- Vars
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(d);OGATEB::QAB(H)
- Refutation
- P(a);XS(E)
- Try
- R(D);
- Vars
- P(a);OGATEB,XS(E)::B(C)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(d);OGATEB::QAB(H)
- Refutation
- P(a);
- Try
- R(D);
- Vars
- P(d);OGATEB::QAB(H)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(a);OGATEB::B(C)
- Refutation
- P(a);XS(E)
- Try
- Q(H);
- Vars
- P(a);OGATE,XS(E)::QAR1(H)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(a);OGATE::QAB1(H)
- Refutation
- P(d);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- S(b);N_GUARD::S(G),XS(b)
- S(b);N_GUARD::S(G)
- P(d);OGATEB::QAB(H)
- Refutation
- P(a);
- Try
- Actual
- B(C);
- Vars
- P(a);OGATEB,XS(E)::B(C)+R(D)
- P(a);OGATEB::B(C)+R(D)
- P(d);OGATEB::QAB(H)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
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