MESON Chess Problem Database
Problem Display
PID: 222588 (8/1p2p2N/3p4/QPkprq2/5N2/KPP1p3/4P3/3R4 w - - 0 1)
Herlin, Theodore Adrien Louis
La Regence, 1850
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxd3#
- 1...Qh3
- 2.Sd3#
- 1...Qg4
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qd7
- 2.Sd3#
- 1...Qc8
- 2.Sd3#
- 1...Qg5
- 2.Sd3#
- 1...Qh5
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qf7
- 2.Sd3#
- 1...Qf8
- 2.Sd3#
- 1...Re4
- 2.Sd3#
- 1...d4
- 2.cxd4#
- 1...b6
- 2.Qb4#
- 1...Qd3
- Tries
- 1.Sf6?
- 1...Qxf4
- 2.Sd7#
- 1...Qxf6
- 2.Sd3#
- 1...Qb1
- 2.Sd7#
- 1...Qc2
- 2.Sd7#
- 1...Qd3
- 2.Sxd3#
- 2.Sd7#
- 1...Qh3
- 2.Sd3#
- 1...Qe4
- 2.Sd7#
- 1...Qg4
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qg6
- 2.Sd7#
- 1...Qd7
- 2.Sd3#
- 2.Sxd7#
- 1...Qh7
- 2.Sd7#
- 1...Qc8
- 2.Sd3#
- 1...Qg5
- 2.Sd3#
- 2.Sd7#
- 1...Qh5
- 2.Sd3#
- 2.Sd7#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sd7#
- 1...d4
- 2.cxd4#
- 1...b6
- 2.Qb4#
- 1...e6
- 2.Sd7#
- 1...exf6!
- 1...Qxf4
- 1.Sf6?
- Keys
- 1.Sf8!
- 1...Qxf4
- 2.Sd7#
- 1...Qxf8
- 2.Sd3#
- 1...Qb1
- 2.Sd7#
- 1...Qc2
- 2.Sd7#
- 1...Qd3
- 2.Sxd3#
- 2.Sd7#
- 1...Qh3
- 2.Sd3#
- 1...Qe4
- 2.Sd7#
- 1...Qg4
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qg6
- 2.Sd7#
- 1...Qd7
- 2.Sd3#
- 2.Sxd7#
- 1...Qh7
- 2.Sd7#
- 1...Qc8
- 2.Sd3#
- 1...Qg5
- 2.Sd3#
- 2.Sd7#
- 1...Qh5
- 2.Sd3#
- 2.Sd7#
- 1...Qf6
- 2.Sd3#
- 2.Sd7#
- 1...Qf7
- 2.Sd3#
- 2.Sd7#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sd7#
- 1...d4
- 2.cxd4#
- 1...b6
- 2.Qb4#
- 1...e6
- 2.Sd7#
- 1...Qxf4
- 1.Sf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 6
- Sets
- Q(e);N_GUARD::S(F),XQ(e)
- Q(e);N_GUARD::S(F)
- R(d);S_CUTQ(e)::S(F)
- P(c);OGATE::P(E),XP(c)
- P(g);SBLOCK::QAB1(G)
- Tries
- Try
- S(I);
- Vars
- Q(e);N_GUARD,XS(F)::S(I)
- Q(e);N_GUARD,XS(I)::S(F)
- Q(e);N_GUARD::S(I)
- Q(e);N_GUARD::S(F)
- R(d);S_CUTQ(e)::S(F)
- R(d);S_CUTQ(e)::S(I)
- P(c);OGATE::P(E),XP(c)
- P(g);SBLOCK::QAB1(G)
- P(h);S_CUTQ(e)::S(I)
- Refutation
- P(h);XS(I)
- Try
- Actual
- S(I);
- Vars
- Q(e);N_GUARD,XS(F)::S(I)
- Q(e);N_GUARD,XS(I)::S(F)
- Q(e);N_GUARD::S(I)
- Q(e);N_GUARD::S(F)
- R(d);S_CUTQ(e)::S(F)
- R(d);S_CUTQ(e)::S(I)
- P(c);OGATE::P(E),XP(c)
- P(g);SBLOCK::QAB1(G)
- P(h);S_CUTQ(e)::S(I)
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).