This file is indexed.

/usr/share/lyx/examples/chess-article.lyx is in lyx-common 2.1.4-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
#LyX 2.1 created this file. For more info see http://www.lyx.org/
\lyxformat 474
\begin_document
\begin_header
\textclass chess
\begin_preamble
\usepackage{multicol}
\usepackage{chess-workshop-symbols}
\smallboard
\columnsep 0.25in
\columnseprule 0.4pt
\hyphenpenalty 10000
\end_preamble
\use_default_options false
\maintain_unincluded_children false
\language english
\language_package default
\inputencoding auto
\fontencoding global
\font_roman default
\font_sans default
\font_typewriter default
\font_math auto
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100
\font_tt_scale 100
\graphics default
\default_output_format pdf3
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize 12
\spacing single
\use_hyperref false
\papersize default
\use_geometry true
\use_package amsmath 0
\use_package amssymb 0
\use_package cancel 0
\use_package esint 0
\use_package mathdots 1
\use_package mathtools 0
\use_package mhchem 1
\use_package stackrel 0
\use_package stmaryrd 0
\use_package undertilde 0
\cite_engine basic
\cite_engine_type default
\biblio_style plain
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
\justification true
\use_refstyle 0
\index Index
\shortcut idx
\color #008000
\end_index
\leftmargin 0.5in
\topmargin 0.5in
\rightmargin 0.5in
\bottommargin 0.5in
\headheight 0cm
\headsep 0cm
\footskip 0in
\secnumdepth 3
\tocdepth 3
\paragraph_separation skip
\defskip medskip
\quotes_language english
\papercolumns 1
\papersides 1
\paperpagestyle empty
\tracking_changes false
\output_changes false
\html_math_output 0
\html_css_as_file 0
\html_be_strict false
\end_header

\begin_body

\begin_layout Standard
\align center

\series bold
\size larger
Email Chess Game analyzed
\size large

\begin_inset Newline newline
\end_inset


\begin_inset Newline newline
\end_inset

Kayvan A.
 Sylvan
\begin_inset Newline newline
\end_inset

<kayvan@sylvan.com>
\size default
\emph on

\begin_inset Newline newline
\end_inset


\begin_inset Newline newline
\end_inset

Game start 05/29/2001
\end_layout

\begin_layout Standard
\begin_inset Note Note
status open

\begin_layout Plain Layout

\series bold
Note:
\series default
 This document does not compile with pdflatex.
 For viewing and exporting this as PDF, use in the PDF (ps2pdf) or PDF (dvipdfm).
 The latter is set as default output format.
\end_layout

\begin_layout Plain Layout

\series bold
Note:
\series default
 Depending on your LaTeX-system you might have to add the option 
\begin_inset Quotes fld
\end_inset

dvips
\begin_inset Quotes frd
\end_inset

 to the document class options to get proper DVI output.
\end_layout

\end_inset


\end_layout

\begin_layout Standard
\begin_inset ERT
status collapsed

\begin_layout Plain Layout


\backslash
begin{multicols}{2}
\end_layout

\end_inset


\end_layout

\begin_layout Standard
The following game was played at the IECC (International Email Chess Club).
 It is presented as an example of the fun you can have with LyX's new chess
 layout (based on the 
\begin_inset Quotes eld
\end_inset

skak.sty
\begin_inset Quotes erd
\end_inset

 package from CTAN).
\end_layout

\begin_layout Standard
\noindent
\begin_inset VSpace medskip
\end_inset


\begin_inset CommandInset line
LatexCommand rule
offset "0.5ex"
width "100line%"
height "1pt"

\end_inset


\end_layout

\begin_layout Standard

\noun on
Sylvan, Kayvan
\begin_inset space \hfill{}
\end_inset

Wakeham, Marc 
\noun default

\begin_inset Newline newline
\end_inset

(1623)
\begin_inset space \hfill{}
\end_inset

 (1639)
\end_layout

\begin_layout Standard
\noindent
\begin_inset CommandInset line
LatexCommand rule
offset "0.5ex"
width "100line%"
height "1pt"

\end_inset


\begin_inset VSpace smallskip
\end_inset


\end_layout

\begin_layout Mainline
1.
 e4 c5 2.
 Nc3 d6 3.
 g3 Nc6 4.
 Bg2 e6 5.
 Nge2
\end_layout

\begin_layout Standard
\begin_inset VSpace bigskip
\end_inset


\end_layout

\begin_layout BoardCentered

\end_layout

\begin_layout HighLight
d4,f4
\end_layout

\begin_layout Arrow
d2->d4
\end_layout

\begin_layout KnightMove
g1->e2
\end_layout

\begin_layout Standard
\begin_inset VSpace -0.75in*
\end_inset


\begin_inset Note Note
status collapsed

\begin_layout Plain Layout
This vertical space is a hack
\end_layout

\end_inset


\end_layout

\begin_layout Standard
So far, so good.
 The e2 knight controls the d4 and f4 squares, preparing an eventual d4
 push.
 The diagrammed position has been reached before in hundreds of GM games.
\end_layout

\begin_layout Mainline
5...
 Be7?! 
\end_layout

\begin_layout Variation
5...
 Nge7 [ 
\backslash
equal{} was better.
 ]
\end_layout

\begin_layout Mainline
6.
 d4 cxd4 7.
 Nxd4 a6
\end_layout

\begin_layout Standard
With 7...
 a6, we are back in the well-trodden theory of this opening.
\end_layout

\begin_layout BoardCentered

\end_layout

\begin_layout Mainline
8.
 Nxc6 bxc6 9.
 O-O Bb7 10.
 Qg4 Bf6 11.
 Bf4 Ne7 12.
 Rad1
\end_layout

\begin_layout BoardCentered

\end_layout

\begin_layout Arrow
a1->d1
\end_layout

\begin_layout Standard
\begin_inset VSpace -0.5in*
\end_inset


\end_layout

\begin_layout Standard
White continues to develop pieces and also sets a trap for Black.
\end_layout

\begin_layout Mainline
12...
 O-O? [ This move loses instantly.
 ]
\end_layout

\begin_layout Standard
The following was better, even though white retains the upper hand.
\end_layout

\begin_layout Variation
12...
 e5 13.
 Be3 Qc7 14.
 Na4 O-O [ 
\backslash
wbetter ]
\end_layout

\begin_layout Mainline
13.
 e5!
\end_layout

\begin_layout Standard
Black's knight and bishop form a bumbling pair here.
 The bishop is doomed.
\end_layout

\begin_layout Mainline
13...
 Nd5!? 14.
 Bxd5 cxd5 15.
 exf6 Qxf6 16.
 Bxd6 Rfd8 17.
 Bc7 Rd7 18.
 Bf4 1-0
\end_layout

\begin_layout BoardCentered

\end_layout

\begin_layout Standard
\begin_inset ERT
status collapsed

\begin_layout Plain Layout


\backslash
end{multicols}
\end_layout

\end_inset


\end_layout

\end_body
\end_document