MESON Chess Problem Database
Problem Display
PID: 55666 (3R4/3q1p2/bn5r/1QBkpBR1/3N2Np/r3pPnK/7b/8 w - - 0 1)
Piatesi, Antonio
4th HM., Deutsche Schachblatter, 1963
#2
9 + 12
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxe3#
- 1...Ra2
- 2.Sxe3#
- 1...Ra4
- 2.Sxe3#
- 1...Ra5
- 2.Sxe3#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rh7
- 2.Sf6#
- 1...Rh8
- 2.Sf6#
- 1...Sf1
- 2.Be4#
- 1...Sh1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 2.fxe4#
- 1...Sh5
- 2.Be4#
- 1...e4
- 2.Bxe4#
- 2.Be6#
- 1...f6
- 2.Be6#
- 1...Ra1
- Tries
- 1.Bxa3+?
- 1...Kxd4
- 2.Bb2#
- 2.Qc5#
- 1...Bxb5!
- 1...Kxd4
- 1.Bb4+?
- 1...Kxd4
- 2.Qc5#
- 1...Bxb5!
- 1...Kxd4
- 1.Bxb6+?
- 1...Kd6
- 2.Rxd7#
- 2.Qxd7#
- 2.Qc5#
- 2.Qxe5#
- 1...Bxb5!
- 1...Kd6
- 1.Be7+?
- 1...Kxd4
- 2.Qc5#
- 1...Bxb5!
- 1...Kxd4
- 1.Bf8+?
- 1...Kxd4
- 2.Qc5#
- 1...Bxb5!
- 1...Kxd4
- 1.Be6+?
- 1...fxe6
- 2.Rxe5#
- 1...Rxe6!
- 1...fxe6
- 1.Bg6?
- threat
- 2.Rxe5#
- 1...Rh5
- 2.Bxf7#
- 1...Sf1
- 2.Be4#
- 1...Sh1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 2.fxe4#
- 1...Sf5
- 2.Sf6#
- 1...Sh5
- 2.Be4#
- 1...Sc4
- 2.Qc6#
- 1...f5
- 2.Sf6#
- 1...f6
- 2.Bf7#
- 1...Bxb5!
- threat
- 1.Bxd7?
- threat
- 2.Bc6#
- 2.Be6#
- 2.Rxe5#
- 1...Sxd7
- 2.Rxe5#
- 1...Rh5
- 2.Sf6#
- 2.Bc6#
- 2.Be6#
- 1...Rc6
- 2.Bxc6#
- 2.Be6#
- 2.Rxe5#
- 1...Rd6
- 2.Bc6#
- 2.Rxe5#
- 1...Re6
- 2.Bc6#
- 2.Bxe6#
- 1...Sf1
- 2.Bc6#
- 2.Be6#
- 1...Sh1
- 2.Bc6#
- 2.Be6#
- 1...Se2
- 2.Bc6#
- 2.Be6#
- 1...Se4
- 2.Bc6#
- 2.Be6#
- 1...Sf5
- 2.Bc6#
- 2.Be6#
- 1...Sh5
- 2.Bc6#
- 2.Be6#
- 1...Sc4
- 2.Bc6#
- 2.Be6#
- 1...f5
- 2.Bc6#
- 2.Be6#
- 1...f6
- 2.Bc6#
- 2.Be6#
- 1...Bxb5!
- threat
- 1.Rxd7+?
- 1...Rd6
- 2.Sf6#
- 2.Rxd6#
- 1...Sxd7!
- 1...Rd6
- 1.Bxa3+?
- Keys
- 1.Bd3!
- threat
- 2.Rxe5#
- 1...Rh5
- 2.Qc6#
- 1...Re6
- 2.Sxe3#
- 1...Sf1
- 2.Be4#
- 1...Sh1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 2.fxe4#
- 1...Sf5
- 2.Be4#
- 1...Sh5
- 2.Be4#
- 1...Sc4
- 2.Bxc4#
- 1...f5
- 2.Sxe3#
- 1...f6
- 2.Qc6#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD::S(D),XP(c)
- R(j);N_GUARD::S(D)
- R(j);N_GUARD::S(D),XR(j)
- S(d);N_GUARD::B(G)
- P(l);N_GUARD,S_CUTR(j)::B(G)
- Tries
- Try
- B(F);CHECK,XR(b)
- Refutation
- B(h);XQ(E)
- Try
- B(F);CHECK
- Vars
- K(f);P-FLIGHT,XS(C)::QAB1(E)
- Refutation
- B(h);XQ(E)
- Try
- B(F);CHECK,XS(i)
- Refutation
- B(h);XQ(E)
- Try
- B(F);CHECK
- Vars
- K(f);P-FLIGHT,XS(C)::QAB1(E)
- Refutation
- B(h);XQ(E)
- Try
- B(F);CHECK
- Vars
- K(f);P-FLIGHT,XS(C)::QAB1(E)
- Refutation
- B(h);XQ(E)
- Try
- B(G);CHECK,P_PINP(g)
- Vars
- P(l);XB(G)::R1(H),XP(g)
- Refutation
- R(j);XB(G)
- Try
- B(G);P_PINP(g),P_SPINS(D)
- Threat
- R1(H),XP(g)
- Vars
- R(j);N_GUARD::B(G),XP(l)
- S(d);N_GUARD::B(G)
- S(d);N_PINS(D),N_SPINP(g)::S(D)
- S(i);SBLOCK::QAB1(E)
- P(l);N_PINS(D),N_SPINP(g)::S(D)
- P(l);S_CUTR(j)::B(G)
- Refutation
- B(h);XQ(E)
- Try
- B(G);P_PINP(g),XQ(k)
- Threat
- DUALS(3)
- Vars
- S(i);P_SPINS(i),XB(G)::R1(H),XP(g)
- Refutation
- B(h);XQ(E)
- Try
- R(I);CHECK,XQ(k)
- Refutation
- S(i);XR(I)
- Try
- Actual
- B(G);P_PINP(g),P_SPINS(D)
- Threat
- R1(H),XP(g)
- Vars
- R(j);N_GUARD::QAB1(E)
- R(j);N_PINS(D)::S(D),XP(c)
- S(d);N_GUARD::B(G)
- S(d);N_GUARD,N_PINS(D),N_SPINP(g)::B(G)
- S(i);N_GUARD::B(G),XS(i)
- P(l);N_PINS(D),N_SPINP(g)::S(D),XP(c)
- P(l);S_CUTR(j)::QAB1(E)
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