MESON Chess Problem Database
Problem Display
PID: 72335 (7n/3p1p1B/5P2/1Q1p1P2/2N1k3/5p2/2K1N3/6B1 w - - 0 1)
Casa, Alex
Comm., Chess, 1953
#2
8 + 6
| 56 | The Problemist | 2013 |
| 136 | Problem Observer | 2017 |
SOLUTION
- SOUND
- Sets
- 1...d4
- 2.Sd2#
- 2.Sd6#
- 2.Qe5#
- 1...d6
- 2.Qe8#
- 1...d4
- Tries
- 1.Bd4?
- threat
- 2.Sd2#
- 2.Sd6#
- 1...dxc4
- 2.Qe5#
- 1...Sg6
- 2.Sd6#
- 1...f2
- 2.Sd2#
- 1...d6
- 2.Sd2#
- 2.Sxd6#
- 2.Qe8#
- 1...fxe2!
- threat
- 1.Qc5?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.Qe7#
- 1...fxe2
- 2.Qe3#
- 1...dxc4
- 2.Qd4#
- 1...f2
- 2.Qe3#
- 1...d4
- 2.Sd2#
- 2.Sd6#
- 2.Qxd4#
- 2.Qe5#
- 1...d6
- 2.Qe3#
- 2.Qd4#
- 1...Sg6!
- threat
- 1.Qb6?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...fxe2
- 2.Qe3#
- 1...dxc4
- 2.Qd4#
- 1...f2
- 2.Qe3#
- 1...d4
- 2.Qxd4#
- 1...Sg6!
- threat
- 1.Bd4?
- Keys
- 1.Qb8!
- threat
- 2.Sc3#
- 2.Sg3#
- 2.Sd2#
- 2.Qf4#
- 2.Qe5#
- 2.Qe8#
- 1...fxe2
- 2.Sd2#
- 1...dxc4
- 2.Sc3#
- 1...Sg6
- 2.Sg3#
- 1...f2
- 2.Qf4#
- 1...d4
- 2.Qe5#
- 1...d6
- 2.Qe8#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(d);OGATE::QAR(E)
- Tries
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- P(c);OGATE,XS(D)::QAR1(E)
- S(f);::S(D)
- P(a);::S(D)
- Refutation
- P(a);XS(C)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- P(a);XS(C)::QAR1(E)
- P(c);XS(D)::QAR1(E)
- P(a);::QAR1(E)
- Refutation
- S(f);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(a);XS(C)::QAR1(E)
- P(c);XS(D)::QAR1(E)
- P(a);::QAR1(E)
- P(c);::QAR1(E),XP(c)
- Refutation
- S(f);
- Try
- Actual
- Q(E);
- Threat
- DUALS(6)
- Vars
- P(a);XS(C)::S(D)
- P(c);XS(D)::S(C)
- S(f);::S(C)
- P(a);::QAR1(E)
- P(c);::QAR1(E)
- P(d);::QAR(E)
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