MESON Chess Problem Database
Problem Display
PID: 59737 (8/6p1/1p1BRbK1/PQ6/Nn1k4/5p2/3n4/3N3B w - - 0 1)
Casa, Alex
1st Prize, Sinfonie Scacchistiche, 1969
#2
8 + 7
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Tries
- 1.Sdb2?
- 1...bxa5
- 2.Qc5#
- 1...Be5
- 2.Qxe5#
- 1...Bh4
- 2.Qe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sb1
- 2.Qc4#
- 1...Sf1
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...f2
- 2.Qxb6#
- 1...Se4!
- 1...bxa5
- 1.Se3?
- threat
- 2.Sf5#
- 1...Sc4
- 2.Qxc4#
- 1...Be5!
- threat
- 1.Sac3?
- 1...bxa5
- 2.Bc5#
- 1...Bh4
- 2.Be5#
- 1...Be5
- 2.Bxe5#
- 1...Bg5
- 2.Be5#
- 1...Be7
- 2.Be5#
- 1...Bd8
- 2.Be5#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sb3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...f2
- 2.Se2#
- 1...Sc4!
- 1...bxa5
- 1.Be5+?
- 1...Ke4
- 2.Sac3#
- 1...Bxe5!
- 1...Ke4
- 1.Qc5+?
- 1...Kd3
- 2.Sf2#
- 2.Re3#
- 1...bxc5!
- 1...Kd3
- 1.Sdb2?
- Keys
- 1.Sab2!
- 1...bxa5
- 2.Qc5#
- 1...Be5
- 2.Qxe5#
- 1...Bh4
- 2.Qe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sb1
- 2.Qc4#
- 1...Sf1
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qc4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...f2
- 2.Qxb6#
- 1...bxa5
- 1.Sab2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Vars
- P(e);N_GUARD,XP(D)::QAB1(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD,SBLOCK::QAR1(E)
- P(b);::QAB(E),XP(e)
- Refutation
- S(a);
- Try
- S(A);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- B(f);
- Try
- S(C);
- Vars
- P(e);N_GUARD,XP(D)::B(F)
- B(f);N_GUARD::B(F)
- B(f);N_GUARD::B(F),XB(f)
- S(a);N_GUARD::R1(G)
- S(a);N_GUARD::R1(G),XS(a)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD,SBLOCK::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(b);N_GUARD::S(C)
- Refutation
- S(a);
- Try
- B(F);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(b)::S(C)
- Refutation
- B(f);XB(F)
- Try
- Q(E);CHECK
- Refutation
- P(e);XQ(E)
- Try
- Actual
- S(C);
- Vars
- P(e);N_GUARD,XP(D)::QAB1(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD,SBLOCK::QAR1(E)
- P(b);::QAB(E),XP(e)
Developed and maintained by Brian Stephenson.
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