MESON Chess Problem Database
Problem Display
PID: 36885 (8/3NK3/8/N2kB3/1P1pn3/8/P5P1/1B5Q w - - 0 1)
Boyer, Jean-Pierre
2nd Prize, Europe Echecs, 1983
#2
9 + 3
| 3748 | FIDE Album (1983-1985) | 1992 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 133 | The Problemist Supplement | 2005 |
SOLUTION
- SOUND
- Tries
- 1.Qc1?
- threat
- 2.Qc4#
- 2.Qc6#
- 1...Sd2
- 2.Qc5#
- 2.Qc6#
- 1...Sc5
- 2.Qc4#
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 2.Qc6#
- 1...Sc3!
- threat
- 1.Qd1?
- threat
- 2.Qb3#
- 2.Qxd4#
- 1...Sc5
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...d3
- 2.Qb3#
- 2.Qxd3#
- 1...Sd2!
- threat
- 1.Qe1?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Sd2
- 2.Sb6#
- 2.Sf6#
- 1...Sf2
- 2.Sb6#
- 2.Sf6#
- 1...Sc3
- 2.Sb6#
- 2.Sf6#
- 1...Sg3
- 2.Sb6#
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 2.Sf6#
- 1...Sg5
- 2.Sb6#
- 2.Sf6#
- 1...Sd6
- 2.Sb6#
- 2.Sf6#
- 1...Sf6
- 2.Sb6#
- 2.Sxf6#
- 1...d3!
- threat
- 1.Qf1?
- threat
- 2.Qc4#
- 2.Qf7#
- 1...Sd2
- 2.Qb5#
- 2.Qf7#
- 1...Sf2
- 2.Qc4#
- 2.Qb5#
- 1...Sc5
- 2.Qc4#
- 1...Sg5
- 2.Qc4#
- 2.Qb5#
- 1...Sf6
- 2.Qc4#
- 2.Qb5#
- 1...d3
- 2.Qxd3#
- 2.Qf7#
- 1...Sd6!
- threat
- 1.Qg1?
- threat
- 2.Qxd4#
- 1...d3
- 2.Qd4#
- 1...Sf2!
- threat
- 1.Qh3?
- threat
- 2.Qe6#
- 2.Qb3#
- 1...Sd2
- 2.Qe6#
- 1...Sc3
- 2.Qe6#
- 1...Sg3
- 2.Qe6#
- 1...Sg5
- 2.Qb3#
- 1...Sd6
- 2.Qe6#
- 1...d3
- 2.Qe6#
- 2.Qxd3#
- 1...Sc5!
- threat
- 1.Qh4?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Sd2
- 2.Qxd4#
- 1...Sf2
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sc5
- 2.Qxd4#
- 1...Sg5
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sf6
- 2.Qxd4#
- 1...d3!
- threat
- 1.Qh5?
- threat
- 2.Sb6#
- 2.Qf7#
- 1...Sc5
- 2.Sb6#
- 2.Sf6#
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Sd6
- 2.Sb6#
- 2.Sf6#
- 2.Bxd6#
- 1...Sg5!
- threat
- 1.Qh6?
- threat
- 2.Qc6#
- 2.Qe6#
- 1...Sc5
- 2.Qc6#
- 2.Qd6#
- 1...Sg5
- 2.Qc6#
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 2.Qe6#
- 1...Sf6!
- threat
- 1.Qc1?
- Keys
- 1.Qh8!
- threat
- 2.Sb6#
- 2.Qa8#
- 2.Qg8#
- 1...Sc5
- 2.Sb6#
- 1...Sg5
- 2.Sb6#
- 2.Qa8#
- 1...Sd6
- 2.Sb6#
- 1...Sf6
- 2.Qa8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Refutation
- S(b);
- Try
- Q(B);P_PINP(a)
- Threat
- DUALS(2)
- Vars
- S(b);::QAR1(B),XP(a)
- Refutation
- S(b);N_SPINP(a)
- Try
- Q(B);
- Threat
- DUALS(2)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB1(B)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- QAR1(B),XP(a)
- Vars
- P(a);::QAR1(B)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB1(B)
- S(b);::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE::QAR1(B),XP(a)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Refutation
- S(b);
- Try
- Actual
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(b);::S(H)
- S(b);::QAB(B)
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