MESON Chess Problem Database
Problem Display
PID: 66829 (3r4/2B2p2/3N1Q2/1B1knP1p/N4Rrq/8/K3PPb1/4bn2 w - - 0 1)
Stocchi, Ottavio
2nd Prize, Melbournce Chess Club, 1952-1953
#2
10 + 10
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qxd6#
- 1...Sd3
- 2.Qd4#
- 1...Sf3
- 2.e4#
- 1...Sc4
- 2.Qd4#
- 1...Sc6
- 2.Bc4#
- 1...Sg6
- 2.Qd4#
- 1...Sd7
- 2.Qd4#
- 1...Rxd6
- Tries
- 1.Sc4?
- threat
- 2.Scb6#
- 2.Qxe5#
- 1...Qxf2
- 2.Qxe5#
- 1...Rxf4
- 2.Qxe5#
- 1...Bxf2
- 2.Qxe5#
- 1...Sxc4
- 2.Bxc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Be4
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 2.Qxd6#
- 1...Rb8
- 2.Qxe5#
- 2.Qd6#
- 1...Re8
- 2.Scb6#
- 2.Qd6#
- 1...Bc3
- 2.Scb6#
- 1...Ba5
- 2.Qxe5#
- 1...Sd3
- 2.Scb6#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sf3
- 2.Scb6#
- 2.Bc6#
- 2.Qc6#
- 2.Qxf7#
- 2.e4#
- 1...Sc6
- 2.Scb6#
- 2.Bxc6#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sg6
- 2.Scb6#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sd7
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 2.Qxf7#
- 1...Qxf6!
- threat
- 1.Sb7?
- threat
- 2.Sb6#
- 2.Qxe5#
- 1...Qxf2
- 2.Qxe5#
- 1...Rxf4
- 2.Qxe5#
- 1...Bxf2
- 2.Sc3#
- 2.Qxe5#
- 1...Be4
- 2.Qxe5#
- 1...Rd6
- 2.Qxd6#
- 1...Ra8
- 2.Qxe5#
- 2.Qd6#
- 1...Re8
- 2.Sb6#
- 2.Qd6#
- 1...Bc3
- 2.Sxc3#
- 2.Sb6#
- 1...Ba5
- 2.Qxe5#
- 1...Sd3
- 2.Sb6#
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sf3
- 2.Sb6#
- 2.Bc4#
- 2.Bc6#
- 2.Qc6#
- 2.Qxf7#
- 2.e4#
- 1...Sc4
- 2.Bxc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sc6
- 2.Sb6#
- 2.Bc4#
- 2.Bxc6#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sg6
- 2.Sb6#
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sd7
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 2.Qxf7#
- 1...Qxf6!
- threat
- 1.Sxf7?
- threat
- 2.Qxe5#
- 2.Qe6#
- 1...Rxf4
- 2.Qxe5#
- 1...Sxf7
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qe6#
- 2.Qxf7#
- 1...Be4
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 2.Qxd6#
- 1...Re8
- 2.Qd6#
- 1...Bc3
- 2.Qe6#
- 1...Sd3
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qe6#
- 1...Sf3
- 2.Bc4#
- 2.Bc6#
- 2.Qc6#
- 2.Qe6#
- 2.e4#
- 1...Sc4
- 2.Bxc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qe6#
- 1...Sc6
- 2.Bc4#
- 2.Bxc6#
- 2.Qxc6#
- 2.Qe6#
- 1...Sg6
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qe6#
- 1...Sd7
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qxf6!
- threat
- 1.Sc8?
- threat
- 2.Scb6#
- 2.Se7#
- 2.Qxe5#
- 1...Qxf2
- 2.Se7#
- 2.Qxe5#
- 1...Rxf4
- 2.Qxe5#
- 1...Rxc8
- 2.Qxe5#
- 2.Qd6#
- 1...Bxf2
- 2.Se7#
- 2.Qxe5#
- 1...Be4
- 2.Qxe5#
- 1...Rd6
- 2.Se7#
- 2.Qxd6#
- 1...Rd7
- 2.Scb6#
- 2.Qxe5#
- 1...Re8
- 2.Scb6#
- 2.Qd6#
- 1...Bc3
- 2.Scb6#
- 2.Se7#
- 1...Bb4
- 2.Scb6#
- 2.Qxe5#
- 1...Ba5
- 2.Se7#
- 2.Qxe5#
- 1...Sd3
- 2.Scb6#
- 2.Se7#
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sf3
- 2.Scb6#
- 2.Se7#
- 2.Bc4#
- 2.Bc6#
- 2.Qc6#
- 2.Qxf7#
- 2.e4#
- 1...Sc4
- 2.Se7#
- 2.Bxc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sc6
- 2.Scb6#
- 2.Bc4#
- 2.Bxc6#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sg6
- 2.Scb6#
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sd7
- 2.Se7#
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 2.Qxf7#
- 1...Qxf6!
- threat
- 1.Se8?
- threat
- 2.Qxe5#
- 1...Qxf6
- 2.Sxf6#
- 1...Rxe8
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Sd3
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sf3
- 2.Bc4#
- 2.Bc6#
- 2.Qc6#
- 2.Qxf7#
- 2.e4#
- 1...Sc4
- 2.Bxc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sc6
- 2.Bc4#
- 2.Bxc6#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sg6
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qxf7#
- 1...Sd7
- 2.Bc4#
- 2.Bc6#
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 2.Qxf7#
- 1...Bc3!
- threat
- 1.e4+?
- 1...Kd4
- 2.Bb6#
- 1...Bxe4!
- 1...Kd4
- 1.Sc4?
- Keys
- 1.Se4!
- threat
- 2.Qxe5#
- 1...Kd4
- 2.Qxe5#
- 1...Qxf6
- 2.Sxf6#
- 1...Rd6
- 2.Qxd6#
- 1...Re8
- 2.Qd6#
- 1...Bc3
- 2.Sexc3#
- 1...Sd3
- 2.Sb6#
- 1...Sf3
- 2.Sb6#
- 1...Sc4
- 2.Bc6#
- 1...Sc6
- 2.Sb6#
- 1...Sg6
- 2.Sb6#
- 1...Sd7
- 2.Qd6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(j);OGATE,XS(H)::QAR1(I),XR(j)
- S(g);OGATE::QAR1(I)
- S(g);S_CUTB(c)::P(B)
- S(g);N_GUARD,SBLOCK::B(F)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(e);P_PINP(B),XP(C)::QAR1(I),XS(g)
- R(d);XR(E)::QAR1(I),XS(g)
- B(a);XP(C)::QAR1(I),XS(g)
- B(c);::QAR1(I),XS(g)
- B(a);::S(H)
- B(a);::QAR1(I),XS(g)
- Refutation
- Q(e);XQ(I)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(e);P_PINP(B),XP(C)::QAR1(I),XS(g)
- R(d);XR(E)::QAR1(I),XS(g)
- B(c);::QAR1(I),XS(g)
- R(j);N_GUARD::QAR1(I),XR(j)
- B(a);::QAR1(I),XS(g)
- Refutation
- Q(e);XQ(I)
- Try
- S(H);XP(i)
- Threat
- DUALS(2)
- Vars
- R(d);XR(E)::QAR1(I),XS(g)
- B(c);::QAR1(I),XS(g)
- R(d);::QAR1(I),XS(g)
- R(j);N_GUARD::QAR1(I)
- B(a);::QAB1(I)
- Refutation
- Q(e);XQ(I)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(d);XR(E)::QAR1(I),XS(g)
- B(c);::QAR1(I),XS(g)
- Refutation
- Q(e);XQ(I)
- Try
- S(H);
- Threat
- QAR1(I),XS(g)
- Vars
- Q(e);XQ(I)::S(H),XQ(e)
- R(j);N_GUARD,XS(H)::QAR1(I)
- R(j);N_GUARD::QAR1(I),XR(j)
- Refutation
- B(a);
- Try
- P(B);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINS(g)::B(J)
- Refutation
- B(c);XP(B)
- Try
- Actual
- S(H);
- Threat
- QAR1(I),XS(g)
- Vars
- K(f);P-FLIGHT,P_SPINS(g)::QAB1(I),XS(g)
- Q(e);XQ(I)::S(H),XQ(e)
- R(j);N_GUARD::QAR1(I),XR(j)
- R(j);N_GUARD::QAR1(I)
- B(a);N_GUARD::S(H),XB(a)
- S(g);::S(D)
- S(g);N_GUARD,SBLOCK::B(F)
- S(g);S_CUTR(j)::QAR1(I)
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