MESON Chess Problem Database
Problem Display
PID: 29650 (1Q3b2/2ppN3/2PPk2p/7B/4N1P1/7p/2p4B/n1K5 w - - 0 1)
Stocchi, Ottavio
1st HM., Suomen Shakki, 1947
#2
9 + 8
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Bxe7
- 2.Qg8#
- 1...Bg7
- 2.Qg8#
- 1...Sb3+
- 2.Qxb3#
- 1...cxd6
- 2.Qxd6#
- 1...dxc6
- 2.Qc8#
- 1...Bxe7
- Tries
- 1.Bg3?
- 1...Sb3+
- 2.Qxb3#
- 1...Bxe7
- 2.Qg8#
- 1...cxd6
- 2.Qxd6#
- 1...dxc6
- 2.Qc8#
- 1...Bg7
- 2.Qg8#
- 1...h2!
- 1...Sb3+
- 1.Bf4?
- 1...Sb3+
- 2.Qxb3#
- 1...Bxe7
- 2.Qg8#
- 1...cxd6
- 2.Qxd6#
- 1...dxc6
- 2.Qc8#
- 1...Bg7
- 2.Qg8#
- 1...h2!
- 1...Sb3+
- 1.Bg6?
- 1...Sb3+
- 2.Qxb3#
- 1...Bxe7
- 2.Qg8#
- 1...cxd6
- 2.Qxd6#
- 1...dxc6
- 2.Qc8#
- 1...Bg7
- 2.Qg8#
- 1...h5!
- 1...Sb3+
- 1.Qb4?
- threat
- 2.Qc4#
- 1...Sb3+
- 2.Qxb3#
- 1...cxd6
- 2.Qxd6#
- 1...dxc6!
- threat
- 1.Qb5?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sb3+
- 2.Qxb3#
- 1...Bxe7
- 2.Qc4#
- 2.Qe5#
- 2.Qf5#
- 1...dxc6
- 2.Qf5#
- 1...Bg7
- 2.Qc4#
- 2.Qd5#
- 2.Qf5#
- 1...cxd6!
- threat
- 1.Qc8?
- threat
- 2.Qxd7#
- 1...Bxe7
- 2.Qg8#
- 1...Sb3+!
- threat
- 1.Qd8?
- threat
- 2.Qxd7#
- 1...Bxe7
- 2.Qg8#
- 1...dxc6
- 2.Qc8#
- 1...Sb3+!
- threat
- 1.Qe8?
- threat
- 2.Bf7#
- 2.Qg6#
- 2.Qxd7#
- 2.Qf7#
- 1...Bxe7
- 2.Bf7#
- 2.Qf7#
- 2.Qg8#
- 1...cxd6
- 2.Bf7#
- 2.Qxd7#
- 2.Qf7#
- 1...dxc6
- 2.Bf7#
- 2.Qc8#
- 1...Bg7
- 2.Bf7#
- 2.Qxd7#
- 2.Qf7#
- 2.Qg8#
- 1...Sb3+!
- threat
- 1.Qxf8?
- threat
- 2.Sc5#
- 2.Bf7#
- 2.Qxh6#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 2.Qg8#
- 1...cxd6
- 2.Bf7#
- 2.Qf6#
- 2.Qf7#
- 1...dxc6
- 2.Sc5#
- 2.Qf5#
- 2.Qc8#
- 1...Sb3+!
- threat
- 1.Bg3?
- Keys
- 1.Qb2!
- threat
- 2.Sc5#
- 2.Qe5#
- 2.Qf6#
- 1...Sb3+
- 2.Qxb3#
- 1...Bxe7
- 2.Qe5#
- 1...cxd6
- 2.Qf6#
- 1...dxc6
- 2.Sc5#
- 1...Bg7
- 2.Sc5#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(h);OGATE,XS(H)::QAB(I)
- B(h);OGATE::QAB(I)
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- P(f);OGATE,XP(G)::QAR1(I),XP(f)
- P(g);OGATEB,XP(F)::QAB(I)
- Tries
- Try
- B(B);
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- B(h);OGATE,XS(H)::QAB(I)
- P(f);OGATE,XP(G)::QAR1(I),XP(f)
- P(g);OGATEB,XP(F)::QAB(I)
- B(h);OGATE::QAB(I)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- B(h);OGATE,XS(H)::QAB(I)
- P(f);OGATE,XP(G)::QAR1(I),XP(f)
- P(g);OGATEB,XP(F)::QAB(I)
- B(h);OGATE::QAB(I)
- Refutation
- P(c);
- Try
- B(E);
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- B(h);OGATE,XS(H)::QAB(I)
- P(f);OGATE,XP(G)::QAR1(I),XP(f)
- P(g);OGATEB,XP(F)::QAB(I)
- B(h);OGATE::QAB(I)
- Refutation
- P(e);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- P(f);OGATE,XP(G)::QAR1(I),XP(f)
- Refutation
- P(g);XP(F)
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- P(g);XP(F)::QAB1(I)
- Refutation
- P(f);XP(G)
- Try
- Q(I);P_PINP(g)
- Threat
- QAB1(I),XP(g)
- Vars
- B(h);OGATE,XS(H)::QAB(I)
- Refutation
- S(a);CHECK
- Try
- Q(I);
- Threat
- QAB1(I),XP(g)
- Vars
- B(h);OGATE,XS(H)::QAB(I)
- P(g);OGATEB,XP(F)::QAB(I)
- Refutation
- S(a);CHECK
- Try
- Q(I);
- Threat
- DUALS(4)
- Refutation
- S(a);CHECK
- Try
- Q(I);XB(h)
- Threat
- DUALS(7)
- Refutation
- S(a);CHECK
- Try
- Actual
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(a);CHECK,N_GUARD::QAB(I),XS(a)
- B(h);XS(H)::QAR1(I)
- P(f);XP(G)::QAR1(I)
- P(g);XP(F)::S(C)
- B(h);::S(C)
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).