MESON Chess Problem Database
Problem Display
PID: 22210 (bR6/r7/2p2R2/NPk1N2q/4P3/P6r/3b2Pp/BQ2n2K w - - 0 1)
Brogi, Giuseppe
1st Prize, Bottacchi MT, 1973-1975
#2
11 + 9
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Sxb3#
- 1...Rc3
- 2.Qb4#
- 1...Rh4
- 2.Sb3#
- 1...Ra6
- 2.Sd7#
- 1...Rb7
- 2.Rxc6#
- 1...Rd7
- 2.Sxd7#
- 1...Bc1
- 2.Qb4#
- 1...Bc3
- 2.Sb3#
- 1...Be3
- 2.Sb3#
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 2.axb4#
- 1...Bf4
- 2.Qb4#
- 1...Bg5
- 2.Qb4#
- 1...Bh6
- 2.Qb4#
- 1...Bb7
- 2.Sd7#
- 1...Sd3
- 2.Sb3#
- 1...Sf3
- 2.Sb3#
- 2.Sd3#
- 1...cxb5
- 2.Rxb5#
- 2.Qxb5#
- 1...Rb3
- Tries
- 1.Sb7+?
- 1...Kb6
- 2.Rxc6#
- 1...Rxb7
- 2.Rxc6#
- 1...Bxb7!
- 1...Kb6
- 1.Rb7?
- threat
- 2.Sd7#
- 2.Rxc6#
- 1...Qxe5
- 2.Rxc6#
- 1...Rxa5
- 2.Rxc6#
- 1...Rxb7
- 2.Rxc6#
- 1...Bxa5
- 2.Rxc6#
- 1...Bxb7
- 2.Sd7#
- 1...cxb5
- 2.Sd7#
- 2.Rc6#
- 2.Rxb5#
- 2.Qxb5#
- 1...Rc3
- 2.Qb4#
- 1...Bc3
- 2.Sb3#
- 1...Qg4
- 2.Rxc6#
- 1...Qg6
- 2.Sd7#
- 1...Qf7
- 2.Rxc6#
- 1...Qf5
- 2.Rxc6#
- 1...Qh6
- 2.Sd7#
- 1...Qh7
- 2.Rxc6#
- 1...Rd3
- 2.Rxc6#
- 1...Ra6
- 2.Sd7#
- 1...Qe8!
- threat
- 1.Qc2+?
- 1...Rc3
- 2.Sb3#
- 1...Bc3
- 2.Sb3#
- 1...Sxc2!
- 1...Rc3
- 1.Qd3?
- threat
- 2.Sb3#
- 2.Bd4#
- 2.Qc4#
- 2.Qd4#
- 2.Qd6#
- 1...Qxe5
- 2.Sb3#
- 2.Qc4#
- 1...Rxa5
- 2.Sd7#
- 2.Bd4#
- 2.Qc4#
- 2.Qd4#
- 2.Qd6#
- 1...Bxa5
- 2.Bd4#
- 2.Qc4#
- 2.Qd4#
- 2.Qd6#
- 1...Sxd3
- 2.Sb3#
- 1...cxb5
- 2.Sb3#
- 2.Bd4#
- 2.Rxb5#
- 2.Qxb5#
- 2.Qd4#
- 2.Qd6#
- 1...Rb7
- 2.Bd4#
- 2.Rxc6#
- 1...Bb7
- 2.Sd7#
- 2.Bd4#
- 1...Qd1
- 2.Bd4#
- 2.Qc4#
- 2.Qd4#
- 2.Qd6#
- 1...Qe2
- 2.Sb3#
- 2.Bd4#
- 2.Qd4#
- 2.Qd6#
- 1...Qf7
- 2.Bd4#
- 2.Qd4#
- 2.Qd6#
- 1...Rd7
- 2.Sb3#
- 2.Sxd7#
- 2.Qc4#
- 1...Bc3
- 2.Sb3#
- 2.Qc4#
- 2.Qd6#
- 1...Be3
- 2.Sb3#
- 2.Qc4#
- 2.Qc3#
- 2.Qd6#
- 1...Sc2
- 2.Sb3#
- 2.Qc4#
- 2.Qd6#
- 1...Sf3
- 2.Sb3#
- 2.Qc4#
- 2.Qd6#
- 1...Rxd3!
- threat
- 1.bxc6?
- threat
- 2.Rb5#
- 2.Qb5#
- 2.Qb6#
- 1...Rxa5
- 2.Qb6#
- 1...Bxa5
- 2.Rb5#
- 2.Qb5#
- 1...Bxc6
- 2.Rxc6#
- 2.Qb6#
- 1...Rc3
- 2.Qb4#
- 2.Qb6#
- 1...Bc3
- 2.Sb3#
- 2.Qb6#
- 1...Qe2
- 2.Qb6#
- 1...Rb3
- 2.Sxb3#
- 1...Ra6
- 2.Sd7#
- 2.Rb5#
- 2.Qb5#
- 1...Bb4
- 2.Qxb4#
- 2.axb4#
- 1...Bb7
- 2.Sd7#
- 1...Rb7!
- threat
- 1.Sb7+?
- Keys
- 1.Bc3!
- threat
- 2.Sb3#
- 2.Qb4#
- 1...Qxe5
- 2.Qb4#
- 1...Rxc3
- 2.Qb4#
- 1...Rxa5
- 2.Qb4#
- 1...Bxc3
- 2.Sb3#
- 1...Rb7
- 2.Rxc6#
- 1...Bb7
- 2.Sd7#
- 1...Qd1
- 2.Qb4#
- 1...Qf7
- 2.Qb4#
- 1...Sc2
- 2.Sb3#
- 1...Sd3
- 2.Sb3#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- R(d);N_GUARD::S(G),XR(d)
- R(d);S_CUTB(b)::QAB1(B)
- R(d);N_GUARD::S(G)
- R(h);N_GUARD::S(I)
- R(h);S_CUTB(i)::R1(J),XP(g)
- R(h);N_GUARD::S(I),XR(h)
- B(b);N_GUARD::QAB1(B)
- B(b);S_CUTR(d)::S(G)
- B(i);S_CUTR(h)::S(I)
- S(a);S_CUTR(d)::S(G)
- Tries
- Try
- S(G);CHECK
- Vars
- K(e);P_SPINP(g),S_FLIGHT::R1(J),XP(g)
- R(h);XS(G)::R1(J),XP(g)
- Refutation
- B(i);XS(G)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(I)::R1(J),XP(g)
- R(h);XS(G)::R1(J),XP(g)
- R(h);XR(K)::R1(J),XP(g)
- B(b);XS(G)::R1(J),XP(g)
- B(i);XR(K)::S(I)
- R(d);S_CUTB(b)::QAB1(B)
- B(b);S_CUTR(d)::S(G)
- Q(f);::R1(J),XP(g)
- Q(f);::S(I)
- R(d);::R1(J),XP(g)
- R(h);::S(I)
- Refutation
- Q(f);
- Try
- Q(B);CHECK
- Vars
- R(d);P_SPINR(d)::S(G)
- B(b);P_SPINB(b)::S(G)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- S(a);XQ(B)::S(G)
- Refutation
- R(d);XQ(B)
- Try
- P(H);XP(g)
- Threat
- DUALS(3)
- Vars
- R(h);XS(G)::QAB1(B)
- Q(f);::QAB1(B)
- R(d);N_GUARD::S(G),XR(d)
- B(i);S_CUTR(h)::S(I)
- Refutation
- R(h);
- Try
- Actual
- B(A);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(I)::QAB1(B)
- R(d);XB(A)::QAB1(B)
- R(h);XS(G)::QAB1(B)
- B(b);XB(A)::S(G)
- R(h);S_CUTB(i)::R1(J),XP(g)
- B(i);S_CUTR(h)::S(I)
- Q(f);::QAB1(B)
- S(a);::S(G)
Developed and maintained by Brian Stephenson.
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