MESON Chess Problem Database
Problem Display
PID: 138207 (4n1N1/1q2Q3/4N1p1/r2p2n1/4kBK1/8/2P5/8 w - - 0 1)
Magini, Fabio
Scacco!, 1978
#2
6 + 7
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Sd6
- 2.Sf6#
- 1...Sf6+
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd6
- Tries
- 1.Qb4+?
- 1...d4
- 2.Qxd4#
- 1...Qxb4!
- 1...d4
- 1.Qc5?
- threat
- 2.Sxg5#
- 2.Qe3#
- 2.Qd4#
- 1...Sf6+
- 2.Sxf6#
- 1...Sxe6
- 2.Qe3#
- 1...Qc8
- 2.Qe3#
- 2.Qd4#
- 1...Qb2
- 2.Sxg5#
- 2.Qe3#
- 1...Qb3
- 2.Sxg5#
- 2.Qd4#
- 1...Qb4
- 2.Sxg5#
- 2.Qe3#
- 1...Qb6
- 2.Sxg5#
- 1...Qa7
- 2.Sxg5#
- 1...Qd7
- 2.Qe3#
- 2.Qd4#
- 1...Qe7
- 2.Qe3#
- 2.Qd4#
- 1...Qg7
- 2.Sxg5#
- 2.Qe3#
- 1...Ra3
- 2.Sxg5#
- 2.Qd4#
- 1...Ra4
- 2.Sxg5#
- 2.Qe3#
- 1...Sf3
- 2.Qe3#
- 1...Sh3
- 2.Qe3#
- 2.Qd4#
- 1...Sf7
- 2.Qe3#
- 2.Qd4#
- 1...Sh7
- 2.Qe3#
- 2.Qd4#
- 1...d4
- 2.Sxg5#
- 2.Qxd4#
- 1...Rxc5!
- threat
- 1.Qg7?
- threat
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sf6+
- 2.Sxf6#
- 1...Sxe6
- 2.Qe5#
- 1...Sxg7
- 2.Sf6#
- 1...d4
- 2.Qxd4#
- 1...Qc8
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Qb2
- 2.Sxg5#
- 2.Qxg6#
- 1...Qb4
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qb6
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qa7
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qc7
- 2.Sxg5#
- 2.Qd4#
- 2.Qxg6#
- 1...Qd7
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Qe7
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Qf7
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 1...Qb8
- 2.Sxg5#
- 2.Qd4#
- 2.Qxg6#
- 1...Ra4
- 2.Sc5#
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Sf3
- 2.Qxg6#
- 1...Sh3
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sf7
- 2.Qd4#
- 2.Qxg6#
- 1...Sh7
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sd6
- 2.Sxg5#
- 2.Sf6#
- 2.Qd4#
- 2.Qe5#
- 1...Qxg7!
- threat
- 1.Qb4+?
- Keys
- 1.Qf6!
- threat
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sxf6+
- 2.Sxf6#
- 1...Sxe6
- 2.Qe5#
- 1...d4
- 2.Qxd4#
- 1...Qc8
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Qb2
- 2.Sxg5#
- 2.Qxg6#
- 1...Qb4
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qb6
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qa7
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Qc7
- 2.Sxg5#
- 2.Qd4#
- 2.Qxg6#
- 1...Qd7
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Qf7
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 1...Qg7
- 2.Sxg5#
- 1...Qh7
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 1...Qb8
- 2.Sxg5#
- 2.Qd4#
- 2.Qxg6#
- 1...Ra4
- 2.Sc5#
- 2.Sxg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Sf3
- 2.Qxg6#
- 1...Sh3
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sf7
- 2.Qd4#
- 2.Qxg6#
- 1...Sh7
- 2.Qd4#
- 2.Qe5#
- 2.Qxg6#
- 1...Sd6
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- 1...Sg7
- 2.Sxg5#
- 2.Qd4#
- 2.Qe5#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(g);N_GUARD::S(F)
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Tries
- Try
- Q(E);CHECK
- Vars
- P(c);P_SPINP(c)::QAR1(E),XP(c)
- Refutation
- Q(f);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- S(d);XS(D)::QAR1(E)
- Q(f);::S(D),XS(d)
- S(d);::QAR1(E)
- Refutation
- R(b);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- S(d);XS(D)::QAR1(E)
- S(g);N_GUARD,XQ(E)::S(F)
- P(c);::QAR1(E),XP(c)
- S(d);::QAB(E),XP(e)
- Refutation
- Q(f);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- DUALS(4)
- Vars
- S(g);CHECK,XQ(E)::S(F),XS(g)
- S(d);XS(D)::QAR1(E)
- P(c);::QAR1(E),XP(c)
- Q(f);::S(D),XS(d)
- S(d);::QAB(E),XP(e)
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).