MESON Chess Problem Database
Problem Display
PID: 65119 (b1r5/4PBp1/1R4P1/3pNk1n/3B2pK/1p2R3/rb2Np2/7Q w - - 0 1)
Simoni, Francesco
1st Prize, idee & form, 1990-1991
#2
10 + 11
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rb8
- 2.Qb1#
- 1...Rd8
- 2.Qb1#
- 1...Re8
- 2.Qb1#
- 1...Rf8
- 2.Qb1#
- 1...Rg8
- 2.Qb1#
- 1...Rh8
- 2.Qb1#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Be6#
- 1...g3
- 2.Qh3#
- 1...Rb8
- Tries
- 1.Sg3+?
- 1...Kf4
- 2.Sd3#
- 1...Sxg3!
- 1...Kf4
- 1.Sd3?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Sxd4#
- 1...Rc6
- 2.Qxd5#
- 1...Bc6!
- threat
- 1.Sf3?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Sfxd4#
- 1...Bc6
- 2.Qb1#
- 1...Rc6!
- threat
- 1.Sc4?
- threat
- 2.Sd6#
- 2.Re5#
- 2.Qb1#
- 1...Rxc4
- 2.Re5#
- 1...dxc4
- 2.Re5#
- 1...f1Q
- 2.Sd6#
- 2.Re5#
- 1...f1S
- 2.Sd6#
- 2.Re5#
- 1...f1B
- 2.Sd6#
- 2.Re5#
- 1...f1R
- 2.Sd6#
- 2.Re5#
- 1...Ra1
- 2.Sd6#
- 2.Re5#
- 1...Rc6
- 2.Qxd5#
- 2.Qb1#
- 1...Rd8
- 2.Re5#
- 2.Qb1#
- 1...Ba1
- 2.Sd6#
- 2.Re5#
- 1...Bc1
- 2.Sd6#
- 2.Re5#
- 1...Ba3
- 2.Re5#
- 1...Bc3
- 2.Sd6#
- 2.Re5#
- 1...Bc6
- 2.Sd6#
- 2.Qb1#
- 1...Sg3
- 2.Sd6#
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sd6#
- 2.Re5#
- 1...Sf6
- 2.Sd6#
- 2.Re5#
- 1...Bxd4!
- threat
- 1.Rf3+?
- 1...Ke4
- 2.Rxf2#
- 2.Rf4#
- 2.Rff6#
- 1...Sf4
- 2.Sg3#
- 2.Rxf4#
- 1...gxf3!
- 1...Ke4
- 1.Qf3+?
- 1...Sf4
- 2.Sg3#
- 2.Qxg4#
- 2.Qxf4#
- 1...gxf3!
- 1...Sf4
- 1.Qxd5?
- threat
- 2.Sc6#
- 2.Qe6#
- 2.Qd7#
- 1...Bxd4
- 2.Qe6#
- 2.Qd7#
- 1...Rc6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sxc6#
- 2.Sd7#
- 1...Bc6
- 2.Sxc6#
- 2.Qe6#
- 1...Ra5
- 2.Qe6#
- 2.Qd7#
- 1...Ra7
- 2.Sc6#
- 2.Qe6#
- 1...Rc5
- 2.Qe6#
- 2.Qd7#
- 1...Rc7
- 2.Sc6#
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Be6#
- 2.Qe6#
- 1...Bxd5!
- threat
- 1.e8Q?
- threat
- 2.Qd7#
- 2.Qe6#
- 2.Qxc8#
- 1...Rxe8
- 2.Qb1#
- 1...Bc6
- 2.Qe6#
- 1...Ra7
- 2.Qe6#
- 1...Rc1
- 2.Qd7#
- 2.Qe6#
- 1...Rc2
- 2.Qd7#
- 2.Qe6#
- 1...Rc3
- 2.Qd7#
- 2.Qe6#
- 1...Rc4
- 2.Qd7#
- 2.Qe6#
- 1...Rc5
- 2.Qd7#
- 2.Qe6#
- 1...Rc7
- 2.Qe6#
- 1...Rb8
- 2.Qd7#
- 2.Qb1#
- 2.Qe6#
- 1...Rd8
- 2.Qb1#
- 2.Qe6#
- 1...Bb7
- 2.Qd7#
- 2.Qe6#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Be6#
- 2.Qe6#
- 1...Rc6!
- threat
- 1.e8S?
- threat
- 2.Be6#
- 1...Rxe8
- 2.Qb1#
- 1...Bc6
- 2.Qb1#
- 1...Sf4
- 2.Sg3#
- 2.Sxg7#
- 1...Rc6!
- threat
- 1.Sg3+?
- Keys
- 1.Sc6!
- threat
- 2.Qxd5#
- 2.Qb1#
- 1...Rxc6
- 2.Qxd5#
- 1...Bxd4
- 2.Scxd4#
- 1...Bxc6
- 2.Qb1#
- 1...f1Q
- 2.Qxd5#
- 1...f1S
- 2.Qxd5#
- 1...f1B
- 2.Qxd5#
- 1...f1R
- 2.Qxd5#
- 1...Ra1
- 2.Qxd5#
- 1...Ra5
- 2.Qb1#
- 1...Rd8
- 2.Qb1#
- 1...Ba1
- 2.Qxd5#
- 1...Bc1
- 2.Qxd5#
- 1...Ba3
- 2.Qxd5#
- 1...Bc3
- 2.Qxd5#
- 1...Sg3
- 2.Qxd5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 14
- REMOVED MATES = 6
- Sets
- R(k);N_GUARD::QAB(A)
- S(h);N_GUARD,SBLOCK::S(B)
- S(h);SBLOCK::B(J)
- P(e);OGATEB::QAB(A)
- Tries
- Try
- S(B);CHECK
- Vars
- K(g);P-FLIGHT::S(F)
- Refutation
- S(h);XS(B)
- Try
- S(F);
- Threat
- R1(C)
- Vars
- B(b);XB(D)::S(B),XB(b)
- R(k);S_CUTB(j)::QAR2(A),XP(f)
- Refutation
- B(j);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- B(b);XB(D)::S(F),XB(b)
- B(j);S_CUTR(k)::QAB(A)
- Refutation
- R(k);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(k);XS(F)::R1(C)
- P(f);XS(F)::R1(C)
- B(b);::R1(C)
- Refutation
- B(b);XB(D)
- Try
- R(C);CHECK
- Refutation
- P(e);XR(C)
- Try
- Q(A);CHECK
- Refutation
- P(e);XQ(A)
- Try
- Q(A);XP(f)
- Threat
- DUALS(3)
- Vars
- R(k);::QAB1(A)
- S(h);N_GUARD,SBLOCK::S(B)
- Refutation
- B(j);XQ(A)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- R(k);N_GUARD,XQ(I)::QAB(A)
- B(j);::QAB1(I)
- R(a);::QAB1(I)
- R(k);::QAB1(I)
- S(h);N_GUARD,SBLOCK::S(B)
- Refutation
- R(k);
- Try
- P(I);
- Threat
- B(J)
- Vars
- R(k);N_GUARD,XS(I)::QAB(A)
- B(j);S_CUTR(k)::QAB(A)
- Refutation
- R(k);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- R(k);XS(F)::QAR2(A),XP(f)
- B(b);XB(D)::S(F),XB(b)
- B(j);XS(F)::QAB(A)
- P(c);::QAR2(A),XP(f)
- R(a);::QAR2(A),XP(f)
- R(a);::QAB(A)
- R(k);::QAB(A)
- B(b);::QAR2(A),XP(f)
- S(h);::QAR2(A),XP(f)
- S(h);N_GUARD,SBLOCK::S(B)
- S(h);SBLOCK::R1(C)
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