MESON Chess Problem Database
Problem Display
PID: 30296 (2r3b1/8/3Qp2r/3Nn1Bp/q2pk1P1/1BPRP3/4P3/n3N1K1 w - - 0 1)
Stocchi, Ottavio
1st HM., Problemisten TT(A), 1948
#2
11 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.Rxd4#
- 1...Qb5
- 2.Rxd4#
- 1...Qc6
- 2.Rxd4#
- 1...Qd7
- 2.Rxd4#
- 1...Qe8
- 2.Rxd4#
- 1...Qa2
- 2.Rxd4#
- 1...Qa3
- 2.Rxd4#
- 1...Qa5
- 2.Rxd4#
- 1...Qa6
- 2.Rxd4#
- 1...Qa8
- 2.Rxd4#
- 1...Rf6
- 2.Sxf6#
- 1...Rh7
- 2.Sf6#
- 1...Rh8
- 2.Sf6#
- 1...Sxd3
- 2.exd3#
- 1...Sf3+
- 2.exf3#
- 1...Sc4
- 2.Rxd4#
- 1...Sxg4
- 2.Qf4#
- 1...Sc6
- 2.Qf4#
- 1...Sg6
- 2.Sf6#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...dxe3
- 2.Rxe3#
- 1...Qxb3
- Tries
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Qxe5#
- 1...Sxb3
- 2.Qxe5#
- 1...Sxd3
- 2.Sd2#
- 1...Sxg4
- 2.Qf4#
- 1...dxc3
- 2.Qxe5#
- 1...dxe3
- 2.Rxe3#
- 2.Qxe5#
- 1...hxg4
- 2.Qxe5#
- 1...Qa2
- 2.Rxd4#
- 2.Qxe5#
- 1...Sc4
- 2.Rxd4#
- 1...Sc6
- 2.Sd2#
- 2.Qf4#
- 1...Sg6
- 2.Sd2#
- 2.Sf6#
- 1...Sd7
- 2.Sd2#
- 2.Qf4#
- 1...Sf7
- 2.Sd2#
- 2.Qf4#
- 1...Sxf3+!
- threat
- 1.Bc2?
- threat
- 2.Rxd4#
- 1...Sf3+
- 2.exf3#
- 1...Sxd3
- 2.Bxd3#
- 2.exd3#
- 1...dxc3
- 2.Rd4#
- 1...dxe3
- 2.Rxe3#
- 2.Rd4#
- 1...Sxc2!
- threat
- 1.Bf6?
- threat
- 2.Qxe5#
- 1...Sf3+
- 2.exf3#
- 1...Rxf6
- 2.Sxf6#
- 1...Sxd3
- 2.exd3#
- 1...Sxg4
- 2.Qf4#
- 1...Sc4
- 2.Rxd4#
- 1...Sc6
- 2.Qf4#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...Sg6!
- threat
- 1.exd4?
- threat
- 2.Re3#
- 2.Qxe5#
- 1...Qxd4+
- 2.Rxd4#
- 1...Sf3+
- 2.exf3#
- 1...Rxc3
- 2.Sxc3#
- 2.Qxe5#
- 1...Sxd3
- 2.exd3#
- 1...Sxg4
- 2.Qf4#
- 1...hxg4
- 2.Qxe5#
- 1...Sc2
- 2.Qxe5#
- 1...Sc6
- 2.Re3#
- 2.Qf4#
- 1...Sg6
- 2.Sf6#
- 2.Re3#
- 1...Sd7
- 2.Re3#
- 2.Qf4#
- 1...Sf7
- 2.Re3#
- 2.Qf4#
- 1...Sc4!
- threat
- 1.Sf3?
- Keys
- 1.cxd4!
- threat
- 2.Qxe5#
- 1...Sf3+
- 2.exf3#
- 1...Qxd4
- 2.Rxd4#
- 1...Sxd3
- 2.exd3#
- 1...Sxg4
- 2.Qf4#
- 1...Sc4
- 2.Sc3#
- 1...Sc6
- 2.Sc3#
- 2.Qf4#
- 1...Sg6
- 2.Sf6#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- threat
- 1.cxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- Q(b);N_GUARD,XB(D)::R1(F),XP(c)
- Q(b);N_GUARD::R1(F),XP(c)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- S(e);OGATE,XR(F)::P(C),XS(e)
- S(e);CHECK,OGATE::P(C),XS(e)
- S(e);S_CUTQ(b)::R1(F),XP(c)
- S(e);OGATE,XP(H)::QAR1(K)
- S(e);OGATE::QAR1(K)
- S(e);S_CUTR(h)::S(I)
- P(c);OGATE,XP(G)::R1(F),XP(c)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- S(a);XB(D)::QAR1(K),XS(e)
- S(e);XR(F)::S(A)
- S(e);OGATE,XP(H)::QAR1(K)
- P(c);XP(E)::QAR1(K),XS(e)
- P(f);XP(H)::QAR1(K),XS(e)
- S(e);S_CUTQ(b)::R1(F),XP(c)
- Refutation
- S(e);CHECK,XS(A)
- Try
- B(D);
- Threat
- B(D)+R(F),DCHECK,XP(c)
- Vars
- S(e);CHECK,OGATE::P(C),XS(e)
- P(c);XP(E)::B(D)+R(F),DCHECK
- Refutation
- S(a);XB(D)
- Try
- B(J);
- Threat
- QAR1(K),XS(e)
- Vars
- S(e);CHECK,OGATE::P(C),XS(e)
- R(h);XB(J)::S(I),XR(h)
- S(e);OGATE,XR(F)::P(C),XS(e)
- S(e);OGATE,XP(H)::QAR1(K)
- S(e);S_CUTQ(b)::R1(F),XP(c)
- S(e);OGATE::QAR1(K)
- Refutation
- S(e);
- Try
- P(G);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE,XP(G)::R1(F),XQ(b)
- S(e);CHECK,OGATE::P(C),XS(e)
- S(e);OGATE,XR(F)::P(C),XS(e)
- S(e);OGATE,XP(H)::QAR1(K)
- P(f);XP(H)::QAR1(K),XS(e)
- S(a);::QAR1(K),XS(e)
- Refutation
- S(e);
- Try
- Actual
- P(E);XP(c)
- Threat
- QAR1(K),XS(e)
- Vars
- S(e);CHECK,OGATE::P(C),XS(e)
- Q(b);OGATE,P_PINP(G),XP(E)::R1(F),XQ(b)
- S(e);OGATE,XR(F)::P(C),XS(e)
- S(e);OGATE,XP(H)::QAR1(K)
- S(e);S_CUTR(i)::S(I)
- S(e);S_CUTR(h)::S(I)
- S(e);OGATE::QAR1(K)
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