MESON Chess Problem Database
Problem Display
PID: 45247 (4K1Nq/2p4B/n1RB3p/3k3P/1p1NR2Q/1p3p2/1P3P2/8 w - - 0 1)
Stocchi, Ottavio
1st Prize, L'Italia Scacchistica, 1956
#2
11 + 8
| 3976 | FIDE Album (1956-1958) | 1961 |
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Se7#
- 1...Qe5+
- 2.Rxe5#
- 1...Qf6
- 2.Sxf6#
- 1...Qxh7
- 2.Sf6#
- 2.Re5#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxd4
- Tries
- 1.Re1?
- threat
- 2.Qe4#
- 1...Qe5+
- 2.Rxe5#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 2.Re5#
- 1...Sc5!
- threat
- 1.Re2?
- threat
- 2.Qe4#
- 1...Qe5+
- 2.Rxe5#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 2.Re5#
- 1...Sc5!
- threat
- 1.Re3?
- threat
- 2.Qe4#
- 1...Qe5+
- 2.Rxe5#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 2.Re5#
- 1...Sc5!
- threat
- 1.Rc5+?
- 1...Kxd6
- 2.Qe7#
- 1...Sxc5!
- 1...Kxd6
- 1.Qg3?
- 1...Qe5+
- 2.Qxe5#
- 1...Qxg8+
- 2.Qxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 2.Qe5#
- 1...cxd6
- 2.Qxd6#
- 1...Sc5
- 2.Rxc5#
- 1...Qf6
- 2.Sxf6#
- 1...Sb8
- 2.Rc5#
- 1...Qg7!
- 1...Qe5+
- 1.Qg5+?
- 1...Qe5+
- 2.Se7#
- 2.Qxe5#
- 1...hxg5!
- 1...Qe5+
- 1.Qf6?
- threat
- 2.Qe6#
- 2.Qf7#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxh7
- 2.Qe5#
- 2.Qe6#
- 1...Sc5
- 2.Rxc5#
- 1...Qg7
- 2.Qe6#
- 1...Qxg8+!
- threat
- 1.Qe7?
- threat
- 2.Qe6#
- 2.Qf7#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxh7
- 2.Sf6#
- 2.Qe5#
- 2.Qe6#
- 1...Sc5
- 2.Rxc5#
- 1...Qg7
- 2.Qe6#
- 1...Qe5
- 2.Qxe5#
- 1...Qf6
- 2.Sxf6#
- 1...Qxd4!
- threat
- 1.Qf4?
- threat
- 2.Qf7#
- 1...Qe5+
- 2.Rxe5#
- 2.Qxe5#
- 1...Qxg8+
- 2.Bxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 2.Re5#
- 2.Qe5#
- 1...Sc5
- 2.Rxc5#
- 1...Qf6
- 2.Sxf6#
- 1...Qg7!
- threat
- 1.Qg4?
- threat
- 2.Qe6#
- 1...Qe5+
- 2.Rxe5#
- 1...Qxg8+
- 2.Bxg8#
- 2.Qxg8#
- 1...Qxd4
- 2.Se7#
- 1...Qf6
- 2.Sxf6#
- 1...Sc5!
- threat
- 1.Re1?
- Keys
- 1.Qd8!
- threat
- 2.Bh2#
- 2.Bg3#
- 2.Bxb4#
- 2.Bf4#
- 2.Be5#
- 2.Bxc7#
- 2.Be7#
- 2.Bf8#
- 1...Qe5+
- 2.Bxe5#
- 1...Qxg8+
- 2.Bf8#
- 1...Qxd4
- 2.Se7#
- 1...Qxh7
- 2.Sf6#
- 1...cxd6
- 2.Qxd6#
- 1...Sc5
- 2.Rxc5#
- 1...Qg7
- 2.Be7#
- 1...Qf6
- 2.Sxf6#
- 1...Sb8
- 2.Rc5#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Q(h);N_PINS(K),XS(C)::S(K)
- Q(h);CHECK,N_GUARD,N_PINS(K)::R1(D),XQ(h)
- Q(h);N_PINS(K)::S(K),XQ(h)
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- Tries
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- Q(h);CHECK,N_GUARD,N_PINS(K)::R1(D),XQ(h)
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- Refutation
- S(e);
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- Q(h);CHECK,N_GUARD,N_PINS(K)::R1(D),XQ(h)
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- Refutation
- S(e);
- Try
- R(D);
- Threat
- QAB1(E)
- Vars
- Q(h);CHECK,N_GUARD,N_PINS(K)::R1(D),XQ(h)
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- Refutation
- S(e);
- Try
- R(G);CHECK
- Vars
- K(d);P-FLIGHT,XB(H)::QAB1(E)
- Refutation
- S(e);XR(G)
- Try
- Q(E);
- Vars
- Q(h);CHECK,N_GUARD,N_PINS(K)::QAR1(E),XQ(h)
- Q(h);CHECK,OGATE,XS(K)::QAB(E),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- P(g);OGATE,XB(H)::QAR1(E),XP(g)
- S(e);N_GUARD::R1(G),XS(e)
- Q(h);N_PINS(K)::S(K),XQ(h)
- S(e);N_GUARD::R1(G)
- Refutation
- Q(h);N_PINS(K)
- Try
- Q(E);CHECK
- Refutation
- P(f);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(h);N_PINS(K),XQ(E)::S(K),XQ(h)
- S(e);N_GUARD::R1(G),XS(e)
- Q(h);N_PINS(K)::QAB1(E)
- Refutation
- Q(h);CHECK,XS(K)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- S(e);N_GUARD::R1(G),XS(e)
- Q(h);N_PINS(K)::QAB1(E)
- Q(h);N_GUARD,N_PINS(K),P_PINQ(E)::QAR1(E),XQ(h)
- Q(h);N_PINS(K)::S(K),XQ(h)
- Refutation
- Q(h);N_PINS(K),XS(C)
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- Q(h);CHECK,OGATE,XS(K)::B(I),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- S(e);N_GUARD::R1(G),XS(e)
- Q(h);N_PINS(K)::S(K),XQ(h)
- Refutation
- Q(h);N_PINS(K)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- Q(h);CHECK,N_GUARD,N_PINS(K)::R1(D),XQ(h)
- Q(h);N_PINS(K),XS(C)::S(K)
- Q(h);N_PINS(K)::S(K),XQ(h)
- Refutation
- S(e);
- Try
- Actual
- Q(E);
- Threat
- DUALS(8)
- Vars
- Q(h);CHECK,N_PINS(K)::QAR(E)+B(H),XQ(h)
- Q(h);CHECK,XS(K)::QAR(E)+B(H)
- Q(h);N_PINS(K),XS(C)::S(K)
- Q(h);N_PINS(K),XB(I)::S(K)
- P(g);OGATE,P_SPINP(g),XB(H)::QAR1(E),XP(g)
- S(e);N_GUARD::R1(G),XS(e)
- Q(h);N_PINS(K)::QAR(E)+B(H)
- Q(h);N_PINS(K)::S(K),XQ(h)
- S(e);N_GUARD::R1(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).