MESON Chess Problem Database
Problem Display
PID: 138349 (KR4B1/N7/p7/3p3q/r1kPRN2/r5Q1/p3p3/B7 w - - 0 1)
Ravarini, Romolo
3rd Prize, Brogi MT (Sinfonie Scacchistiche), 1978
#2
9 + 8
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Bxd5#
- 1...Qg4
- 2.Bxd5#
- 1...Qg6
- 2.Bxd5#
- 1...Qe8
- 2.Bxd5#
- 1...Qh1
- 2.Bxd5#
- 1...Qh2
- 2.Bxd5#
- 1...Qh3
- 2.Bxd5#
- 1...Qh4
- 2.Bxd5#
- 1...Qh6
- 2.Bxd5#
- 1...Qh7
- 2.Bxd5#
- 1...Qh8
- 2.Bxd5#
- 1...Rb3
- 2.Qxb3#
- 1...Rc3
- 2.Qxc3#
- 1...Rd3
- 2.Qxd3#
- 1...Rb4
- 2.Rc8#
- 1...Qf3
- Tries
- 1.Sc8?
- threat
- 2.Sd6#
- 1...Qg6
- 2.Bxd5#
- 1...Qh6
- 2.Bxd5#
- 1...Qe5!
- threat
- 1.Qxa3?
- threat
- 2.Rc8#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...e1Q
- 2.Rc8#
- 2.Qc5#
- 2.Qb3#
- 2.Qd3#
- 1...e1S
- 2.Rc8#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qxa4#
- 1...e1B
- 2.Rc8#
- 2.Qc5#
- 2.Qb3#
- 2.Qd3#
- 1...e1R
- 2.Rc8#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qf3
- 2.Bxd5#
- 2.Rc8#
- 2.Qc5#
- 2.Qxa4#
- 1...Qg4
- 2.Bxd5#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qg6
- 2.Bxd5#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qf7
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qe8
- 2.Bxd5#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Qh1
- 2.Bxd5#
- 2.Rc8#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qh3
- 2.Bxd5#
- 2.Qc5#
- 2.Qxa4#
- 1...Qe5
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 2.dxe5#
- 1...Qf5
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qh6
- 2.Bxd5#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Qh7
- 2.Bxd5#
- 2.Qc1#
- 2.Qc5#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 2.Qxa4#
- 1...Rb4
- 2.Rxb4#
- 2.Rc8#
- 2.Qxb4#
- 2.Qc3#
- 2.Qd3#
- 1...Ra5
- 2.Rb4#
- 2.Qc1#
- 2.Qb4#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Rxa3!
- threat
- 1.Sc8?
- Keys
- 1.Sd3!
- threat
- 2.Sb2#
- 1...Rxd3
- 2.Qc7#
- 1...Qf3
- 2.Se5#
- 1...Rb4
- 2.Rxb4#
- 1...Rb3
- 2.Rc8#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::B(I),XP(f)
- Q(g);N_GUARD,P_PINR(H)::B(I),XP(f)
- R(c);N_GUARD::QAB1(B),XR(c)
- R(c);N_GUARD::QAR1(B),XR(c)
- R(d);SBLOCK::R(H)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(g);N_GUARD::B(I),XP(f)
- Refutation
- Q(g);
- Try
- Q(B);XR(c)
- Threat
- DUALS(7)
- Refutation
- R(d);XQ(B)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- R(c);SBLOCK,XS(E)::QAR(B)
- Q(g);N_GUARD::S(E)
- R(d);N_GUARD::R1(H),XR(d)
- R(c);SBLOCK::R(H)
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