MESON Chess Problem Database
Problem Display
PID: 29576 (1B3R2/2P1PKP1/1n6/1r2NkPR/b1p1p1r1/1pPN1p2/8/1B2Q3 w - - 0 1)
Stocchi, Ottavio
3rd Prize, Le Probleme TT, 1947
#2
13 + 9
| 3100 | Selected Stocchi (I) | 2001 |
| 14475 | Mat Plus Review | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.g6#
- 1...Sd5
- 2.c8Q#
- 2.c8B#
- 1...Sa8
- 2.c8Q#
- 2.c8B#
- 1...Rf4
- Tries
- 1.Sxc4?
- threat
- 2.Se3#
- 2.Sd6#
- 1...Rxg5
- 2.Se3#
- 1...Sxc4
- 2.c8Q#
- 2.c8B#
- 1...Rg1
- 2.Se3#
- 1...Rg2
- 2.Se3#
- 1...Rg3
- 2.Se3#
- 1...Rf4
- 2.Se3#
- 1...Rh4
- 2.Se3#
- 1...e3
- 2.Sd6#
- 1...Rd5
- 2.Se3#
- 1...Sd5
- 2.Sd6#
- 2.c8Q#
- 2.c8B#
- 1...Sc8
- 2.Se3#
- 1...exd3!
- threat
- 1.Qxe4+?
- 1...Rxe4
- 2.g6#
- 1...Kxe4!
- 1...Rxe4
- 1.c8Q+?
- 1...Sd7
- 2.Qxd7#
- 1...Sxc8!
- 1...Sd7
- 1.c8B+?
- 1...Sd7
- 2.Bxd7#
- 1...Sxc8!
- 1...Sd7
- 1.e8Q?
- threat
- 2.Ke7#
- 2.Kg8#
- 2.Qe6#
- 1...Rxe5
- 2.Kg8#
- 2.Qxe5#
- 1...cxd3
- 2.Kg8#
- 1...exd3
- 2.Ke7#
- 2.Kg8#
- 1...Sd5
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 2.c8Q#
- 2.c8B#
- 1...Sd7
- 2.Qxd7#
- 2.Qe6#
- 1...Sc8
- 2.Kg8#
- 2.Qd7#
- 2.Qe6#
- 2.Qxc8#
- 1...e3!
- threat
- 1.g8Q?
- threat
- 2.Kg7#
- 2.Ke8#
- 2.Qh7#
- 2.Qg6#
- 1...Rxg5
- 2.Ke8#
- 2.Rxg5#
- 2.Qh7#
- 2.Qxg5#
- 2.Qg6#
- 1...Rxe5
- 2.Kg7#
- 2.Qh7#
- 2.Qg6#
- 1...exd3
- 2.Kg7#
- 2.Ke8#
- 1...e3
- 2.Qh7#
- 2.Qg6#
- 1...Rb4
- 2.Kg7#
- 2.Qh7#
- 2.Qg6#
- 1...Ra5
- 2.Kg7#
- 2.Qh7#
- 2.Qg6#
- 1...Rc5
- 2.Kg7#
- 2.Qh7#
- 2.Qg6#
- 1...Rd5
- 2.Kg7#
- 2.Qh7#
- 2.Qg6#
- 1...Sd5
- 2.Qh7#
- 2.Qg6#
- 2.c8Q#
- 2.c8B#
- 1...Sd7
- 2.Qh7#
- 2.Qg6#
- 1...cxd3!
- threat
- 1.g8B?
- threat
- 2.Kg7#
- 2.Ke8#
- 2.Bh7#
- 1...Rxg5
- 2.Ke8#
- 2.Bh7#
- 1...Rxe5
- 2.Kg7#
- 2.Bh7#
- 1...exd3
- 2.Kg7#
- 2.Ke8#
- 1...e3
- 2.Bh7#
- 1...Rb4
- 2.Kg7#
- 2.Bh7#
- 1...Ra5
- 2.Kg7#
- 2.Bh7#
- 1...Rc5
- 2.Kg7#
- 2.Bh7#
- 1...Rd5
- 2.Kg7#
- 2.Bh7#
- 1...Sd5
- 2.Bh7#
- 2.c8Q#
- 2.c8B#
- 1...Sd7
- 2.Bh7#
- 1...cxd3!
- threat
- 1.Sxc4?
- Keys
- 1.Sf4!
- threat
- 2.Qxe4#
- 1...Kxf4
- 2.Ke6#
- 1...Kxe5
- 2.c8Q#
- 2.c8B#
- 1...Rxf4
- 2.g6#
- 1...Rxe5
- 2.Kg8#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::R(G)+P(F)
- S(i);N_GUARD::P=Q
- Tries
- Try
- S(E);XP(d)
- Threat
- DUALS(2)
- Vars
- R(f);P_SPINR(f),XP(F)::S(E)
- S(i);N_GUARD,XS(E)::P=Q
- R(f);::S(E)
- P(e);::S(E)
- R(g);::S(E)
- S(i);::S(E)
- Refutation
- P(e);P_SPINP(e),XS(D)
- Try
- Q(B);CHECK,XP(e)
- Vars
- R(f);SBLOCK,XQ(B)::R(G)+P(F)
- Refutation
- K(h);S_FLIGHT,XQ(B)
- Try
- P(H);CHECK
- Vars
- S(i);N_GUARD,P_SPINS(i)::QAB(H),XS(i)
- Refutation
- S(i);XQ(H)
- Try
- P(H);CHECK
- Vars
- S(i);N_GUARD,P_SPINS(i)::B(H),XS(i)
- Refutation
- S(i);XB(H)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- P(d);XS(D)::R(M)+K(J)
- Refutation
- P(e);
- Try
- P(K);
- Threat
- DUALS(4)
- Refutation
- P(d);XS(D)
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- P(e);::B(K)
- S(i);::B(K)
- Refutation
- P(d);XS(D)
- Try
- Actual
- S(D);P_PINP(e)
- Threat
- QAB1(B),XP(e)
- Vars
- K(h);N_SPINP(e),P-FLIGHT,XS(D)::R(M)+K(J)
- K(h);P-FLIGHT,XS(E)::P=Q
- R(f);N_GUARD,SBLOCK,XS(D)::R(G)+P(F)
- R(g);SBLOCK,XS(E)::R(M)+K(J)
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