MESON Chess Problem Database
Problem Display
PID: 10696 (b7/Q1BqPnK1/1r1Np1R1/1p2k3/3rNpP1/1B1RP3/8/6b1 w - - 0 1)
Piatesi, Antonio
1/2 Prize, L'Italia Scacchistica, 1967
#2
11 + 10
| 3772 | FIDE Album (1965-1967) | 1976 |
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Rxe6#
- 1...Qe8
- 2.Rxe6#
- 1...Qxd6
- 2.Rxe6#
- 1...Qxc7
- 2.Rxe6#
- 1...Qd8
- 2.Rxe6#
- 1...Rxe4
- 2.Sc4#
- 2.Sxf7#
- 1...Ra6
- 2.Qxd4#
- 1...Rc6
- 2.Qxd4#
- 1...Rxd6
- 2.Qxd4#
- 1...Rb7
- 2.Qxd4#
- 1...Rb8
- 2.Qxd4#
- 1...Bh2
- 2.exd4#
- 1...Bxe4
- 2.Sxf7#
- 1...Sg5
- 2.Rxg5#
- 1...Sd8
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Qc6
- Tries
- 1.Sf2?
- threat
- 2.Sxf7#
- 2.exd4#
- 1...Qxd6
- 2.Rxe6#
- 2.exd4#
- 1...Qxc7
- 2.Sxf7#
- 2.Rxe6#
- 1...Rxd3
- 2.Sxd3#
- 2.Sxf7#
- 1...Rdxd6
- 2.Qa1#
- 1...Rbxd6
- 2.Qxd4#
- 2.exd4#
- 1...Sxd6
- 2.Rg5#
- 2.exd4#
- 1...fxe3
- 2.Sxf7#
- 1...Ra4
- 2.Sc4#
- 2.Sxf7#
- 1...Rb4
- 2.Sc4#
- 2.Sxf7#
- 1...Rc4
- 2.Sxc4#
- 2.Sxf7#
- 1...Re4
- 2.Sc4#
- 2.Sxf7#
- 1...Rd5
- 2.Sc4#
- 2.Sxf7#
- 1...Sg5
- 2.Sf7#
- 2.Rxg5#
- 2.exd4#
- 1...Sh6
- 2.Sf7#
- 2.exd4#
- 1...Sd8
- 2.Sf7#
- 2.Rg5#
- 2.exd4#
- 1...Sh8
- 2.Sf7#
- 2.Rg5#
- 2.exd4#
- 1...f3
- 2.Sxf7#
- 1...Bxf2!
- threat
- 1.Sc3?
- threat
- 2.Sc4#
- 2.Sxf7#
- 1...Qxd6
- 2.Rxe6#
- 1...Qxc7
- 2.Sxf7#
- 2.Rxe6#
- 1...Rbxd6
- 2.Qxd4#
- 1...Sxd6
- 2.Rg5#
- 1...Rc4
- 2.Sxc4#
- 2.Sxf7#
- 1...Sg5
- 2.Sc4#
- 2.Sf7#
- 2.Rxg5#
- 1...Sh6
- 2.Sc4#
- 2.Sf7#
- 1...Sd8
- 2.Sc4#
- 2.Sf7#
- 2.Rg5#
- 1...Sh8
- 2.Sc4#
- 2.Sf7#
- 2.Rg5#
- 1...Rdxd6!
- threat
- 1.Sg3?
- threat
- 2.Sxf7#
- 1...Qxd6
- 2.Rxe6#
- 1...Rdxd6
- 2.Qa1#
- 1...Rbxd6
- 2.Qxd4#
- 1...Sxd6
- 2.Rg5#
- 1...Sg5
- 2.Sf7#
- 2.Rxg5#
- 1...Sh6
- 2.Sf7#
- 1...Sd8
- 2.Sf7#
- 2.Rg5#
- 1...Sh8
- 2.Sf7#
- 2.Rg5#
- 1...fxg3!
- threat
- 1.Sc5?
- threat
- 2.Sxd7#
- 2.Sxf7#
- 1...Qxd6
- 2.Rxe6#
- 1...Qxc7
- 2.Sxf7#
- 2.Rxe6#
- 1...Qxe7
- 2.Sxf7#
- 1...Rdxd6
- 2.Qa1#
- 1...Sxd6
- 2.Rg5#
- 1...fxe3
- 2.Sxf7#
- 1...Qc6
- 2.Sxf7#
- 2.Rxe6#
- 1...Qc8
- 2.Sxf7#
- 1...Qe8
- 2.Sxf7#
- 2.Rxe6#
- 1...Qd8
- 2.Sxf7#
- 2.Rxe6#
- 1...Bc6
- 2.Sxf7#
- 1...Sg5
- 2.Sxd7#
- 2.Sf7#
- 2.Rxg5#
- 1...Sh6
- 2.Sxd7#
- 2.Sf7#
- 1...Sd8
- 2.Sxd7#
- 2.Sf7#
- 2.Rg5#
- 1...Sh8
- 2.Sxd7#
- 2.Sf7#
- 2.Rg5#
- 1...Rbxd6!
- threat
- 1.Sg5?
- threat
- 2.Sgxf7#
- 2.Sdxf7#
- 1...Qxd6
- 2.Rxe6#
- 1...Qxe7
- 2.Sdxf7#
- 1...Rdxd6
- 2.Qa1#
- 1...Rbxd6
- 2.Qxd4#
- 1...Sxg5
- 2.Rxg5#
- 1...fxe3
- 2.Sdxf7#
- 1...Qe8
- 2.Sdxf7#
- 2.Rxe6#
- 1...Sh6
- 2.Sdf7#
- 1...Sd8
- 2.Sdf7#
- 1...Sh8
- 2.Sdf7#
- 1...Sxd6!
- threat
- 1.Sf6?
- threat
- 2.Sc4#
- 2.Sxf7#
- 2.Sxd7#
- 1...Qxc7
- 2.Sxf7#
- 1...Qxe7
- 2.Sc4#
- 2.Sxf7#
- 1...Rdxd6
- 2.Qa1#
- 1...Rbxd6
- 2.Qxd4#
- 1...Sxd6
- 2.Rg5#
- 1...fxe3
- 2.Sc4#
- 2.Sxf7#
- 1...Qc6
- 2.Sc4#
- 2.Sxf7#
- 1...Qc8
- 2.Sc4#
- 2.Sxf7#
- 1...Qe8
- 2.Sc4#
- 2.Sxf7#
- 1...Qd8
- 2.Sc4#
- 2.Sxf7#
- 1...Rc4
- 2.Sxc4#
- 2.Sxf7#
- 2.Sxd7#
- 1...Bc6
- 2.Sc4#
- 2.Sxf7#
- 1...Sg5
- 2.Sc4#
- 2.Sf7#
- 2.Sxd7#
- 2.Rxg5#
- 1...Sh6
- 2.Sc4#
- 2.Sf7#
- 2.Sxd7#
- 1...Sd8
- 2.Sc4#
- 2.Sf7#
- 2.Sxd7#
- 2.Rg5#
- 1...Sh8
- 2.Sc4#
- 2.Sf7#
- 2.Sxd7#
- 2.Rg5#
- 1...Qxd6!
- threat
- 1.Sf2?
- Keys
- 1.Sd2!
- threat
- 2.Sxf7#
- 1...Qxd6
- 2.Rxe6#
- 1...Rdxd6
- 2.Qa1#
- 1...Rbxd6
- 2.Qxd4#
- 1...Sxd6
- 2.Rg5#
- 1...Sg5
- 2.Sf7#
- 2.Rxg5#
- 1...Sh6
- 2.Sf7#
- 1...Sd8
- 2.Sf7#
- 2.Rg5#
- 1...Sh8
- 2.Sf7#
- 2.Rg5#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(h);N_GUARD::R1(G),XP(g)
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- Q(h);N_GUARD,XB(I)::R1(G),XP(g)
- R(f);OGATE::QAB1(H),XR(b)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- B(a);N_GUARD::P(C),XR(b)
- B(j);SBLOCK,XS(D)::B(I)+S(F),DCHECK,XS(i)
- S(i);N_GUARD,P_PINP(J)::R(G),XS(i)
- S(i);N_GUARD,P_PINP(J)::R(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- P(c);XP(C)::B(I)+S(F),DCHECK,XS(i)
- P(c);::B(I)+S(F),DCHECK,XS(i)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- S(i);N_GUARD,P_PINP(J),P_SPINS(i),XS(F)::R(G)
- Refutation
- R(b);P_SPINR(b),XS(F)
- Try
- S(D);
- Threat
- B(I)+S(F),DCHECK,XS(i)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- S(i);N_GUARD,P_PINP(J),P_SPINS(i),XS(F)::R(G)
- S(i);P_PINP(J)::B(I)+S(F),DCHECK
- Refutation
- P(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- Q(h);XP(J)::B(I)+S(F),DCHECK,XS(i)
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- S(i);N_GUARD,P_PINP(J),P_SPINS(i),XS(F)::R(G)
- P(c);XP(C)::B(I)+S(F),DCHECK,XS(i)
- Q(h);::B(I)+S(F),DCHECK,XS(i)
- B(j);::B(I)+S(F),DCHECK,XS(i)
- Refutation
- R(f);P_SPINR(f),XS(F)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- Q(h);XP(J)::B(I)+S(F),DCHECK,XS(i)
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- S(i);OGATE,P_PINP(J),XS(D)::R(G),XS(i)
- P(c);XP(C)::B(I)+S(F),DCHECK,XS(i)
- S(i);P_PINP(J)::B(I)+S(F),DCHECK
- Refutation
- S(i);P_PINP(J),P_SPINS(i),XS(F)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- Q(h);XB(I)::S(F),XS(i)
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- S(i);N_GUARD,P_PINP(J),P_SPINS(i),XS(F)::R(G)
- Refutation
- Q(h);P_SPINQ(h),XS(F)
- Try
- Actual
- S(D);
- Threat
- B(I)+S(F),DCHECK,XS(i)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XS(F)::R1(G),XP(g)
- R(b);OGATEB,P_SPINR(b),XS(F)::QAB(H)
- R(f);OGATE,P_SPINR(f),XS(F)::QAB1(H),XR(b)
- S(i);N_GUARD,P_PINP(J),P_SPINS(i),XS(F)::R(G)
- S(i);P_PINP(J)::B(I)+S(F),DCHECK
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