MESON Chess Problem Database
Problem Display
PID: 12446 (8/8/2B5/1Np5/K1k5/6q1/2P1N3/8 w - - 0 1)
di Vincenzi, Renato
Unpublished, 1979
#2
5 + 3
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sa3#
- 2.Sd6#
- 1...Qf2
- 2.Sa3#
- 2.Sd6#
- 1...Qh2
- 2.Sa3#
- 1...Qf4
- 2.Sa3#
- 1...Qh4
- 2.Sa3#
- 2.Sd6#
- 1...Qe5
- 2.Sa3#
- 1...Qd6
- 2.Sa3#
- 2.Sxd6#
- 1...Qc7
- 2.Sa3#
- 1...Qb8
- 2.Sa3#
- 1...Qg1
- 2.Sa3#
- 2.Sd6#
- 1...Qg2
- 2.Sa3#
- 2.Sd6#
- 1...Qa3+
- 2.Sxa3#
- 1...Qc3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Qg4
- 2.Sa3#
- 2.Sd6#
- 1...Qg5
- 2.Sa3#
- 2.Sd6#
- 1...Qg6
- 2.Sa3#
- 1...Qg7
- 2.Sa3#
- 2.Sd6#
- 1...Qg8
- 2.Sa3#
- 2.Sd6#
- 1...Qe1
- Tries
- 1.Sbc3?
- threat
- 2.Bb5#
- 2.Bd5#
- 1...Qe5
- 2.Bb5#
- 1...Qd6
- 2.Bb5#
- 1...Qb8
- 2.Bd5#
- 1...Qg2
- 2.Bb5#
- 1...Qd3
- 2.Bb5#
- 1...Qf3
- 2.Bb5#
- 1...Qg5
- 2.Bb5#
- 1...Qg8
- 2.Bb5#
- 1...Qxc3!
- threat
- 1.Sbc3?
- Keys
- 1.Be4!
- 1...Qa3+
- 2.Sxa3#
- 1...Qb3+
- 2.cxb3#
- 1...Qe1
- 2.Sa3#
- 2.Sd6#
- 1...Qf2
- 2.Sa3#
- 2.Sd6#
- 1...Qh2
- 2.Sa3#
- 1...Qf4
- 2.Sa3#
- 1...Qh4
- 2.Sa3#
- 2.Sd6#
- 1...Qe5
- 2.Sa3#
- 1...Qd6
- 2.Sa3#
- 2.Sxd6#
- 1...Qc7
- 2.Sa3#
- 1...Qb8
- 2.Sa3#
- 1...Qg1
- 2.Sa3#
- 2.Sd6#
- 1...Qg2
- 2.Sa3#
- 2.Sd6#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.cxd3#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Qg4
- 2.Sa3#
- 2.Sd6#
- 1...Qg5
- 2.Sa3#
- 2.Sd6#
- 1...Qg6
- 2.Sa3#
- 1...Qg7
- 2.Sa3#
- 2.Sd6#
- 1...Qg8
- 2.Sa3#
- 2.Sd6#
- 1...Qa3+
- 1.Be4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::S(D)
- Q(a);CHECK,N_GUARD::S(D),XQ(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::B(E)
- Refutation
- Q(a);XS(D)
- Try
- Actual
- B(E);
- Vars
- Q(a);CHECK,N_GUARD::S(D),XQ(a)
- Q(a);CHECK,OGATE::P(A),XQ(a)
- Q(a);N_GUARD::S(D)
- Q(a);OGATE::P(A),XQ(a)
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).