MESON Chess Problem Database
Problem Display
PID: 30297 (n2r1bN1/K2bQ1p1/NPkB1n1r/8/P2R1P2/3p4/3q4/8 w - - 0 1)
Stocchi, Ottavio
1st Prize, Problemisten TT(A), 1948
#2
9 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sb4#
- 1...Qe3
- 2.Sb4#
- 1...Qb4
- 2.Sxb4#
- 1...Qxf4
- 2.Sb4#
- 1...Qd1
- 2.Sb4#
- 1...Qa2
- 2.Sb4#
- 1...Qc2
- 2.Sb4#
- 1...Qe2
- 2.Sb4#
- 1...Qf2
- 2.Sb4#
- 1...Qg2
- 2.Sb4#
- 1...Qh2
- 2.Sb4#
- 1...Rb8
- 2.Sxb8#
- 1...Bh3
- 2.Qb7#
- 1...Bg4
- 2.Qb7#
- 1...Bf5
- 2.Qb7#
- 1...Be6
- 2.Qb7#
- 1...Bc8
- 2.Sb8#
- 1...Be8
- 2.Qb7#
- 1...Bxe7
- 2.Sxe7#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Rc4#
- 1...Sh5
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sxg8
- 2.Qe4#
- 1...Qc1
- Tries
- 1.Bb4?
- threat
- 2.Rd6#
- 1...Qxb4
- 2.Sxb4#
- 1...Bxe7
- 2.Sxe7#
- 1...Sxg8
- 2.Qe4#
- 1...Bh3
- 2.Qb7#
- 1...Bg4
- 2.Qb7#
- 1...Bf5
- 2.Qb7#
- 1...Be6
- 2.Qb7#
- 1...Bc8
- 2.Sb8#
- 1...Be8
- 2.Qb7#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Rc4#
- 1...Sh5
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Qxf4!
- threat
- 1.Bc5?
- threat
- 2.Rd6#
- 1...Qxf4
- 2.Sb4#
- 1...Bxe7
- 2.Sxe7#
- 1...Sxg8
- 2.Qe4#
- 1...Bh3
- 2.Qb7#
- 1...Bg4
- 2.Qb7#
- 1...Bf5
- 2.Qb7#
- 1...Be6
- 2.Qb7#
- 1...Bc8
- 2.Sb8#
- 1...Be8
- 2.Qb7#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sd5!
- threat
- 1.Bb8?
- threat
- 2.Rd6#
- 1...Qxf4
- 2.Sb4#
- 1...Bxe7
- 2.Sxe7#
- 1...Sxg8
- 2.Qe4#
- 1...Qb4
- 2.Sxb4#
- 1...Bh3
- 2.Qb7#
- 1...Bg4
- 2.Qb7#
- 1...Bf5
- 2.Qb7#
- 1...Be6
- 2.Qb7#
- 1...Be8
- 2.Qb7#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Rc4#
- 1...Sh5
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Bc8!
- threat
- 1.Qxd8?
- threat
- 2.Sb8#
- 2.Qxa8#
- 1...Bxd6
- 2.Qxa8#
- 1...Sxb6
- 2.Sb8#
- 2.Qxb6#
- 2.Qc7#
- 1...Qa5
- 2.Qxa8#
- 1...Bh3
- 2.Sb8#
- 1...Bg4
- 2.Sb8#
- 1...Bf5
- 2.Sb8#
- 1...Be6
- 2.Sb8#
- 1...Bc8
- 2.Sb8#
- 1...Be8
- 2.Sb8#
- 1...Sc7
- 2.Sb8#
- 2.Qxc7#
- 1...Sd5!
- threat
- 1.Qe4+?
- 1...Sd5
- 2.Qxd5#
- 1...Sxe4!
- 1...Sd5
- 1.Qe5?
- threat
- 2.Rc4#
- 2.Qb5#
- 2.Qc5#
- 1...Qxf4
- 2.Sb4#
- 2.Qb5#
- 2.Qc5#
- 1...Bxd6
- 2.Rxd6#
- 2.Qxd6#
- 2.Qb5#
- 1...Sxb6
- 2.Qb5#
- 2.Qc5#
- 1...Bh3
- 2.Qb5#
- 1...Bg4
- 2.Qb5#
- 1...Bf5
- 2.Qb5#
- 1...Be6
- 2.Qb5#
- 1...Bc8
- 2.Sb8#
- 2.Qb5#
- 1...Be8
- 2.Qb5#
- 1...Qc1
- 2.Sb4#
- 2.Qb5#
- 1...Qc3
- 2.Qb5#
- 1...Qe3
- 2.Sb4#
- 2.Qb5#
- 2.Qc5#
- 1...Qb4
- 2.Sxb4#
- 1...Qa2
- 2.Sb4#
- 2.Qb5#
- 2.Qc5#
- 1...Qb2
- 2.Rc4#
- 2.Qc5#
- 1...Qc2
- 2.Sb4#
- 2.Qb5#
- 1...Qf2
- 2.Sb4#
- 2.Qb5#
- 2.Qc5#
- 1...Rh5
- 2.Rc4#
- 1...Se4
- 2.Qxe4#
- 2.Qb5#
- 2.Qd5#
- 1...Sd5
- 2.Rc4#
- 2.Qxd5#
- 1...Sc7
- 2.Rc4#
- 2.Qc5#
- 1...Qa5!
- threat
- 1.Bb4?
- Keys
- 1.Ba3!
- threat
- 2.Rd6#
- 1...Qxf4
- 2.Sb4#
- 1...Bxe7
- 2.Sxe7#
- 1...Sxg8
- 2.Qe4#
- 1...Qb4
- 2.Sxb4#
- 1...Bh3
- 2.Qb7#
- 1...Bg4
- 2.Qb7#
- 1...Bf5
- 2.Qb7#
- 1...Be6
- 2.Qb7#
- 1...Bc8
- 2.Sb8#
- 1...Be8
- 2.Qb7#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Rc4#
- 1...Sh5
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD,XP(C)::S(D)
- R(i);N_GUARD::S(D),XR(i)
- B(f);OGATE::QAB1(H)
- B(f);S_CUTR(i)::S(D)
- B(j);XQ(H)::S(I),XB(j)
- S(d);N_GUARD::QAB(H),XS(d)
- S(d);N_GUARD::QAB(H)
- S(d);SBLOCK::R(B)
- S(d);N_GUARD,XS(I)::QAB(H)
- Tries
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(a);XB(F)::S(D),XQ(a)
- B(j);XQ(H)::S(I),XB(j)
- S(d);N_GUARD,XS(I)::QAB(H)
- B(f);OGATE::QAB1(H)
- B(f);S_CUTR(i)::S(D)
- S(d);N_GUARD::QAB(H),XS(d)
- S(d);N_GUARD::QAB(H)
- S(d);SBLOCK::R(B)
- Refutation
- Q(a);XP(C)
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(a);N_GUARD,XP(C)::S(D)
- B(j);XQ(H)::S(I),XB(j)
- S(d);N_GUARD,XS(I)::QAB(H)
- B(f);OGATE::QAB1(H)
- B(f);S_CUTR(i)::S(D)
- S(d);N_GUARD::QAB(H),XS(d)
- S(d);N_GUARD::QAB(H)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(a);N_GUARD,XP(C)::S(D)
- B(j);XQ(H)::S(I),XB(j)
- S(d);N_GUARD,XS(I)::QAB(H)
- Q(a);N_GUARD::S(D),XQ(a)
- B(f);OGATE::QAB1(H)
- S(d);N_GUARD::QAB(H),XS(d)
- S(d);N_GUARD::QAB(H)
- S(d);SBLOCK::R(B)
- Refutation
- B(f);
- Try
- Q(H);XR(i)
- Threat
- DUALS(2)
- Vars
- B(j);XB(F)::QAB(H),XS(h)
- Q(a);P_PINS(D)::QAB(H),XS(h)
- B(f);::S(D)
- Refutation
- S(d);
- Try
- Q(H);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(H),XS(d)
- Refutation
- S(d);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(f);::QAB1(H)
- Q(a);::QAB1(H)
- Q(a);N_GUARD::S(D),XQ(a)
- R(e);::R(B)
- Refutation
- Q(a);P_PINS(D)
- Try
- Actual
- B(F);
- Threat
- R1(B)
- Vars
- Q(a);N_GUARD,XP(C)::S(D)
- B(j);XQ(H)::S(I),XB(j)
- S(d);N_GUARD,XS(I)::QAB(H)
- Q(a);N_GUARD::S(D),XQ(a)
- B(f);OGATE::QAB1(H)
- B(f);S_CUTR(i)::S(D)
- S(d);N_GUARD::QAB(H),XS(d)
- S(d);N_GUARD::QAB(H)
- S(d);SBLOCK::R(B)
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