MESON Chess Problem Database
Problem Display
PID: 67561 (B7/1N1p4/p1pPP2Q/1p1kp3/3pN1P1/2PK4/8/3R4 w - - 0 1)
Stocchi, Ottavio
4th Prize, Szachy, 1956
#2
10 + 7
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...dxc3
- 2.Sxc3#
- 1...b4
- 2.c4#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...dxe6
- 2.Sf6#
- 1...dxc3
- Tries
- 1.Sbc5?
- 1...dxc3
- 2.Kxc3#
- 1...dxe6
- 2.Qxe6#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Ra1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rb1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rc1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Re1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rf1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rg1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rh1?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Rd2?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Qd2?
- threat
- 2.Qa2#
- 1...Kxe6
- 2.Qa2#
- 1...c5
- 2.Sbxc5#
- 2.Sd8#
- 1...b4!
- threat
- 1.Qh2?
- threat
- 2.Qa2#
- 1...Kxe6
- 2.Qa2#
- 1...c5
- 2.Sbxc5#
- 2.Sd8#
- 1...b4!
- threat
- 1.Qg6?
- 1...dxc3
- 2.Kxc3#
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.g5?
- 1...dxc3
- 2.Sxc3#
- 1...dxe6
- 2.Sf6#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.exd7?
- 1...dxc3
- 2.Sxc3#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.e7?
- 1...dxc3
- 2.Sxc3#
- 1...c5
- 2.Sa5#
- 2.Sbxc5#
- 2.Sd8#
- 1...b4
- 2.c4#
- 1...a5!
- 1...dxc3
- 1.Sbc5?
- Keys
- 1.Sa5!
- 1...dxc3
- 2.Ke3#
- 1...dxe6
- 2.Bxc6#
- 1...b4
- 2.c4#
- 1...dxc3
- 1.Sa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(a);XP(B)::S(D),XP(a)
- P(b);N_GUARD::P(B)
- P(g);SBLOCK,XP(G)::S(D)
- Tries
- Try
- S(I);P_PINP(f)
- Vars
- P(a);XP(B)::R(A)+K(C),XP(a)
- P(g);OGATE,XP(G)::QAB1(H),XP(g)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- K(c);S_FLIGHT,XP(G)::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- K(c);S_FLIGHT,XP(G)::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- P(E);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(g);SBLOCK,XP(G)::S(D)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- P(G);XP(g)
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- P(G);
- Vars
- P(a);XP(B)::S(D),XP(a)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- Actual
- S(I);P_PINP(f)
- Vars
- P(a);XP(B)::R(A)+K(C)
- P(g);N_GUARD,XP(G)::B(J),XP(f)
- P(b);N_GUARD::P(B)
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).