MESON Chess Problem Database
Problem Display
PID: 30446 (1n1R4/b4P2/3N3p/N2nkPP1/5p2/pBr3PK/1BQP4/q3rR2 w - - 0 1)
Stocchi, Ottavio
1st Prize, Bohm MT, 1948-1949
#2
13 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Rxf1
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Be3
- 2.Qe4#
- 1...Se3
- 2.Qe4#
- 1...Sb4
- 2.Sdc4#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Sdc4#
- 1...Sc7
- 2.Sdc4#
- 1...Se7
- 2.Sdc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Rb1
- Tries
- 1.Sb5?
- threat
- 2.Sc4#
- 2.Rxd5#
- 1...Qxb2
- 2.Rxd5#
- 1...axb2
- 2.Rxd5#
- 1...Re4
- 2.Rxd5#
- 1...Bd4
- 2.Rxd5#
- 1...Se3
- 2.Re8#
- 2.gxf4#
- 1...Sb4
- 2.Sc4#
- 2.Re8#
- 1...Sb6
- 2.Re8#
- 2.d4#
- 1...Sf6
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 1...Se7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 2.Sc6#
- 1...hxg5!
- threat
- 1.Sdb7?
- threat
- 2.Rxd5#
- 1...Kd4
- 2.Rxd5#
- 1...Se3
- 2.gxf4#
- 1...Sb4
- 2.Sc4#
- 1...Sb6
- 2.d4#
- 1...Sf6
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 1...Se7
- 2.Sc4#
- 1...Sd7
- 2.Sc6#
- 1...hxg5!
- threat
- 1.Sc8?
- threat
- 2.Rxd5#
- 1...Kd4
- 2.Rxd5#
- 1...Se3
- 2.gxf4#
- 1...Sb4
- 2.Sc4#
- 1...Sb6
- 2.d4#
- 1...Sf6
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 1...Se7
- 2.Sc4#
- 1...Sd7
- 2.Sc6#
- 1...hxg5!
- threat
- 1.Bxc3+?
- 1...Bd4
- 2.Sac4#
- 2.Sdc4#
- 1...Sxc3
- 2.Sdc4#
- 1...Qxc3!
- 1...Bd4
- 1.Qxc3+?
- 1...Bd4
- 2.Sac4#
- 2.Qxd4#
- 1...Sxc3!
- 1...Bd4
- 1.dxc3?
- threat
- 2.Sac4#
- 2.Sdc4#
- 1...Sxc3
- 2.Sdc4#
- 1...Re4
- 2.Qxe4#
- 1...Se3
- 2.Qe4#
- 2.gxf4#
- 1...Sb4
- 2.Sdc4#
- 2.gxf4#
- 1...Sb6
- 2.gxf4#
- 1...Sf6
- 2.Sdc4#
- 2.gxf4#
- 1...Sc7
- 2.Sdc4#
- 2.gxf4#
- 1...Se7
- 2.Sdc4#
- 2.gxf4#
- 1...hxg5!
- threat
- 1.Sb5?
- Keys
- 1.Se8!
- threat
- 2.Rxd5#
- 1...Kd4
- 2.Rxd5#
- 1...Se3
- 2.gxf4#
- 1...Sb4
- 2.Sc4#
- 1...Sb6
- 2.d4#
- 1...Sf6
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 1...Se7
- 2.Sc4#
- 1...Sd7
- 2.Sc6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD,XR(A)::QAR1(C)
- R(b);N_GUARD::QAR1(C),XR(b)
- B(i);N_PINP(F),S_CUTR(b)::QAR1(C)
- S(f);N_PINP(F),S_CUTR(b)::QAR1(C)
- S(f);::S(K)
- S(f);N_GUARD,S_CUTB(i)::QAB(C),XR(d)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD::S(H),XS(j)
- Tries
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINR(d),XB(B)::R1(M),XS(f)
- P(c);N_SPINR(d),XB(B)::R1(M),XS(f)
- R(b);::R1(M),XS(f)
- B(i);N_SPINR(d)::R1(M),XS(f)
- S(f);::S(H)
- Refutation
- P(h);XP(J)
- Try
- S(K);
- Threat
- R1(M),XS(f)
- Vars
- K(g);P_SPINS(f),S_FLIGHT::R1(M),XS(f)
- S(f);N_PINP(F)::P(F),XP(e)
- S(f);::S(H)
- S(f);S_CUTB(i)::P(D)
- S(j);N_GUARD::S(H)
- Refutation
- P(h);XP(J)
- Try
- S(K);
- Threat
- R1(M),XS(f)
- Vars
- K(g);P_SPINS(f),S_FLIGHT::R1(M),XS(f)
- S(f);N_PINP(F)::P(F),XP(e)
- S(f);::S(H)
- S(f);S_CUTB(i)::P(D)
- S(j);N_GUARD::S(H)
- Refutation
- P(h);XP(J)
- Try
- B(B);CHECK,N_SPINP(F),XR(d)
- Vars
- S(f);XB(B)::S(K)
- Refutation
- Q(a);P_PINP(F),XB(B)
- Try
- Q(C);CHECK,N_SPINP(F),XR(d)
- Refutation
- S(f);P_SPINS(f),XQ(C)
- Try
- P(D);N_SPINP(F),XR(d)
- Threat
- DUALS(2)
- Vars
- S(f);P_SPINS(f),XP(D)::S(K)
- R(b);N_GUARD::QAR1(C),XR(b)
- S(f);N_GUARD::P(F),XP(e)
- Refutation
- P(h);XP(J)
- Try
- Actual
- S(K);
- Threat
- R1(M),XS(f)
- Vars
- K(g);P_SPINS(f),S_FLIGHT::R1(M),XS(f)
- S(f);N_PINP(F)::P(F),XP(e)
- S(f);::S(H)
- S(f);S_CUTB(i)::P(D)
- S(j);N_GUARD::S(H)
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