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1 | # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # |
2 | # This is GNU Go, a Go program. Contact gnugo@gnu.org, or see # | |
3 | # http://www.gnu.org/software/gnugo/ for more information. # | |
4 | # # | |
5 | # Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, # | |
6 | # 2008 and 2009 by the Free Software Foundation. # | |
7 | # # | |
8 | # This program is free software; you can redistribute it and/or # | |
9 | # modify it under the terms of the GNU General Public License # | |
10 | # as published by the Free Software Foundation - version 3, # | |
11 | # or (at your option) any later version. # | |
12 | # # | |
13 | # This program is distributed in the hope that it will be # | |
14 | # useful, but WITHOUT ANY WARRANTY; without even the implied # | |
15 | # warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR # | |
16 | # PURPOSE. See the GNU General Public License in file COPYING # | |
17 | # for more details. # | |
18 | # # | |
19 | # You should have received a copy of the GNU General Public # | |
20 | # License along with this program; if not, write to the Free # | |
21 | # Software Foundation, Inc., 51 Franklin Street, Fifth Floor, # | |
22 | # Boston, MA 02111, USA # | |
23 | # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # | |
24 | # | |
25 | # defense.db - pattern database for finding tactical defense moves | |
26 | # | |
27 | # The tactical reading functions try to defend by playing on the | |
28 | # immediate liberties only. This database is intended to find | |
29 | # additional defense moves. Notice though that these patterns doesn't | |
30 | # help the tactical reading to find defense moves later in a move | |
31 | # sequence but only at stackp=0. | |
32 | # | |
33 | # See patterns.db for a specification of the current database format. | |
34 | # | |
35 | # Since these patterns are matched during make_worms() it doesn't | |
36 | # make any sense to use classifications such as X and O. No other | |
37 | # classification than D is useful either since we only have tactical | |
38 | # defense moves here. | |
39 | # | |
40 | # The semantics of these patterns are that the move at * is tried | |
41 | # as a defense for each attackable O string in the pattern. | |
42 | # The patterns are matched with either player as O. | |
43 | # | |
44 | # FIXME: There are still some redundant patterns. | |
45 | # | |
46 | ################################################################## | |
47 | ||
48 | ||
49 | attribute_map none | |
50 | ||
51 | goal_elements none | |
52 | callback_data O | |
53 | ||
54 | ||
55 | Pattern Def1 | |
56 | ||
57 | X* | |
58 | Ox | |
59 | ||
60 | :8,D | |
61 | ||
62 | X* | |
63 | Ox | |
64 | ||
65 | ;olib(*)>1 | |
66 | ||
67 | ||
68 | Pattern Def2 | |
69 | # Require that the common tesuji at b doesn't invalidate this defense move. | |
70 | ||
71 | O.* | |
72 | O.. | |
73 | ||
74 | :8,D | |
75 | ||
76 | a.* | |
77 | a.b | |
78 | ||
79 | ;attack(a) && oplay_defend(*,b,a) | |
80 | ||
81 | ||
82 | Pattern Def4 | |
83 | ||
84 | XOO? capture one stone | |
85 | OX.. | |
86 | O.*? | |
87 | ?.?? | |
88 | ||
89 | :8,D | |
90 | ||
91 | ||
92 | Pattern Def5 | |
93 | ||
94 | OXoO connect under | |
95 | O*.. | |
96 | .... | |
97 | ---- | |
98 | ||
99 | :8,D | |
100 | ||
101 | ||
102 | Pattern Def6 | |
103 | ||
104 | OXXO connect under (the connection may or may not be broken) | |
105 | O.*. | |
106 | .... | |
107 | ---- | |
108 | ||
109 | :8,D | |
110 | ||
111 | ||
112 | Pattern Def9 | |
113 | ||
114 | OX*O cut! | |
115 | .OX? | |
116 | ||
117 | :8,D | |
118 | ||
119 | ||
120 | Pattern Def10 | |
121 | ||
122 | XO? connection pattern | |
123 | *.O | |
124 | ?.? | |
125 | ||
126 | :8,D | |
127 | ||
128 | ||
129 | Pattern Def12 | |
130 | ||
131 | ?O*X | |
132 | o.XO | |
133 | ?O.X | |
134 | ||
135 | :8,D | |
136 | ||
137 | ||
138 | Pattern Def16 | |
139 | ||
140 | ----- | |
141 | ...O? | |
142 | *.OXO | |
143 | XO.X? | |
144 | ?XX?? | |
145 | ||
146 | :8,D | |
147 | ||
148 | ||
149 | Pattern Def17 | |
150 | ||
151 | +---- | |
152 | |.*oo | |
153 | |O.o? defend with good eye shape | |
154 | |XOOo | |
155 | |XX?? | |
156 | ||
157 | :8,D | |
158 | ||
159 | ||
160 | Pattern Def21 | |
161 | ||
162 | |oOO | |
163 | |.X. | |
164 | |.OX | |
165 | |*XO | |
166 | |.O? capture to connect | |
167 | ||
168 | :8,D | |
169 | ||
170 | |oaa | |
171 | |.X. | |
172 | |.OX | |
173 | |*XO | |
174 | |.O? | |
175 | ||
176 | ;lib(a)>2 | |
177 | ||
178 | ||
179 | Pattern Def25 | |
180 | ||
181 | ?XO threaten to capture | |
182 | ?OX | |
183 | ..* | |
184 | ?O. | |
185 | ||
186 | :8,D | |
187 | ||
188 | ||
189 | Pattern Def26 | |
190 | ||
191 | O.O? Bamboo joint for defense | |
192 | O.*? | |
193 | ||
194 | :8,D | |
195 | ||
196 | ||
197 | Pattern Def28 | |
198 | ||
199 | ?O? | |
200 | Ox* defend with eye shape | |
201 | ?O? | |
202 | ||
203 | :-,D | |
204 | ||
205 | ||
206 | Pattern Def29 | |
207 | ||
208 | ?X? make shape | |
209 | .O. | |
210 | ... | |
211 | .*. | |
212 | ?.? | |
213 | ||
214 | :|,D | |
215 | ||
216 | ||
217 | Pattern Def39 | |
218 | ||
219 | ?X?.?? jump under | |
220 | O..*.? | |
221 | O....? | |
222 | o....? | |
223 | ------ | |
224 | ||
225 | :8,D | |
226 | ||
227 | ||
228 | Pattern Def44 | |
229 | ||
230 | ??Xx? | |
231 | XXO*. override solid connection | |
232 | OO... | |
233 | ..... | |
234 | ----- | |
235 | ||
236 | :8,D | |
237 | ||
238 | ||
239 | Pattern Def45 | |
240 | ||
241 | OOXX push to capture X | |
242 | .XO* | |
243 | .... | |
244 | ---- | |
245 | ||
246 | :8,D | |
247 | ||
248 | ||
249 | Pattern Def49 | |
250 | ||
251 | ??X? | |
252 | O*.X Draw back to defend connection | |
253 | ..OX | |
254 | .... | |
255 | ---- | |
256 | ||
257 | :8,D | |
258 | ||
259 | ||
260 | Pattern Def50 | |
261 | ||
262 | ??o? hanging connection | |
263 | ?O.* | |
264 | XXO. | |
265 | ---- | |
266 | ||
267 | :8,D | |
268 | ||
269 | ||
270 | Pattern Def52 | |
271 | ||
272 | ?????? | |
273 | ?....x jump into empty space | |
274 | ?.*.OO | |
275 | ?....x | |
276 | ?????? | |
277 | ||
278 | :8,D | |
279 | ||
280 | ||
281 | Pattern Def55 | |
282 | # Not on edge | |
283 | ||
284 | ooo | |
285 | O.O form eye to protect | |
286 | .*X | |
287 | ||
288 | :8,D | |
289 | ||
290 | ||
291 | Pattern Def56 | |
292 | ||
293 | xXO extend after hane | |
294 | XO. | |
295 | .*. | |
296 | ... | |
297 | ||
298 | :8,D | |
299 | ||
300 | ||
301 | Pattern Def57 | |
302 | ||
303 | ..O | |
304 | o*X | |
305 | ..O | |
306 | ||
307 | :-,D | |
308 | ||
309 | ||
310 | Pattern Def58 | |
311 | ||
312 | ????? | |
313 | ....? jump! (But not down to second line) | |
314 | O.*.? | |
315 | ....? | |
316 | X...? | |
317 | ||
318 | :8,D | |
319 | ||
320 | ||
321 | Pattern Def59 | |
322 | ||
323 | .... jump! | |
324 | O.*. | |
325 | .... | |
326 | X.X. | |
327 | ||
328 | :8,D | |
329 | ||
330 | ||
331 | Pattern Def60 | |
332 | ||
333 | OXO block opponent | |
334 | .*. | |
335 | ?.? | |
336 | ||
337 | :|,D | |
338 | ||
339 | ||
340 | Pattern Def61 | |
341 | ||
342 | ?.? extend to defend | |
343 | .*. | |
344 | XO? | |
345 | X.? | |
346 | XO? | |
347 | ||
348 | :8,D | |
349 | ||
350 | ||
351 | Pattern Def62 | |
352 | ||
353 | oOo? attach | |
354 | ...? | |
355 | .*X. | |
356 | ...? | |
357 | ||
358 | :8,D | |
359 | ||
360 | ||
361 | Pattern Def63 | |
362 | ||
363 | O.Oo | |
364 | XO.. protect by drawing back | |
365 | XX*O | |
366 | ||
367 | :8,D | |
368 | ||
369 | ||
370 | Pattern Def68 | |
371 | ||
372 | o.X? try to defend by clamping to connect | |
373 | OX*O | |
374 | .... | |
375 | ---- | |
376 | ||
377 | :8,D | |
378 | ||
379 | ||
380 | Pattern Def69 | |
381 | ||
382 | OX* atari on opponent to defend | |
383 | ?O. | |
384 | ||
385 | :8,D | |
386 | ||
387 | aC* | |
388 | ?b. | |
389 | ||
390 | ;lib(a)>1 && lib(b)>1 && lib(C)<=2 && olib(*)>1 | |
391 | ||
392 | ||
393 | Pattern Def70 | |
394 | # pp New Pattern - see endgame:860 (3.5.1) | |
395 | ||
396 | OOOO* a very specific position (defend the stone on the first line) | |
397 | O.... | |
398 | XO... | |
399 | ----- | |
400 | ||
401 | :8,D | |
402 |