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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 | # The Endgame Pattern Database. | |
26 | # | |
27 | # Further documentation may be found in the Texinfo documentation. | |
28 | # | |
29 | # First there is a pattern title of the form: Pattern [string]. The | |
30 | # string is used for identifying the pattern while tuning or debugging. | |
31 | # | |
32 | # Then a block of the following characters representing the pattern | |
33 | # itself. | |
34 | # | |
35 | # ? : don't care | |
36 | # . : empty | |
37 | # X : your piece, | |
38 | # O : my piece, | |
39 | # x : your piece or empty | |
40 | # o : my piece or empty | |
41 | # * : my next move | |
42 | # -, | : edge of board | |
43 | # + : corner of board | |
44 | # | |
45 | # If a pattern must not match at the edge of the board, | |
46 | # an extra row of ?'s in the pattern may be added. (This | |
47 | # will not add to the time taken to check the pattern.) | |
48 | # | |
49 | ################# | |
50 | # | |
51 | # After the pattern, some supplementary information in the format: | |
52 | # | |
53 | # :trfno, classification, [values], helper_function | |
54 | # | |
55 | # These and other aspects of the pattern database are documented | |
56 | # in the Texinfo documentation. | |
57 | # | |
58 | ################# | |
59 | # | |
60 | # Any line beginning with #, or any part of a line following | |
61 | # whitespace is a comment. | |
62 | # | |
63 | # The patterns are classified into a number of different categories: | |
64 | # | |
65 | # EE edge endgame | |
66 | # EF edge followups | |
67 | # CE center endgame | |
68 | # CF center followups | |
69 | # EY eye stealing/saving endgame | |
70 | # | |
71 | # The patterns are grouped in the file by category. New patterns | |
72 | # should be added close to a similar pattern or at the end of the | |
73 | # category where it belongs. When a new pattern is added, the names | |
74 | # of later patterns in the category should usually not be changed. | |
75 | # This can be accomplished by introducing names like CC35b and so on. | |
76 | # | |
77 | ||
78 | ||
79 | ###################################################################### | |
80 | # | |
81 | # Edge endgame patterns | |
82 | # | |
83 | # These patterns need to be revised. | |
84 | # | |
85 | # Moves along the edge with small weights, intended to come into play | |
86 | # in the endgame. | |
87 | # | |
88 | # These patterns are further subdivided into the following classes | |
89 | # | |
90 | # first line descents (except in corner) | |
91 | # first line hanes (except in corner) | |
92 | # first line pushes (except in corner) | |
93 | # first line blocks (except in corner) | |
94 | # first line corner moves | |
95 | # miscellaneous first line moves | |
96 | # second line descents | |
97 | # second line hanes | |
98 | # second line extensions | |
99 | # second line clamps | |
100 | # miscellaneous second line moves | |
101 | # third line moves | |
102 | # | |
103 | ###################################################################### | |
104 | ||
105 | ||
106 | attribute_map general | |
107 | ||
108 | goal_elements none | |
109 | # Several patterns here have a or d class, so we need these elements. | |
110 | callback_data XOxo | |
111 | ||
112 | ||
113 | # first line descents (except in corner) | |
114 | ######################################## | |
115 | ||
116 | Pattern EE1 | |
117 | # gf Removed terri(1) value because move might be inside own territory. (3.3.7) | |
118 | ||
119 | ?OOx block on edge | |
120 | ..*x 1 point gote | |
121 | ---- | |
122 | ||
123 | :8,OXe | |
124 | ||
125 | ?ccx | |
126 | ba*x | |
127 | ---- | |
128 | ||
129 | ;marginal_eye(*) && proper_eye(a) && proper_eye(b) && !xplay_attack(*,c) | |
130 | ||
131 | ||
132 | Pattern EE1a | |
133 | ||
134 | ?OOx block on edge | |
135 | ..*x 2 point gote | |
136 | ---- | |
137 | ||
138 | :8,OXe,terri(2) | |
139 | ||
140 | ?ccx | |
141 | ba*x | |
142 | ---- | |
143 | ||
144 | ; marginal_eye(*) && proper_eye(a) && proper_eye(b) | |
145 | ; && xplay_attack(*,a,c) && !xplay_attack(*,c) | |
146 | ||
147 | ||
148 | Pattern EE2 | |
149 | ||
150 | OXXx | |
151 | xOOX Start by backfilling | |
152 | *..x At least 1 point gote | |
153 | ---- | |
154 | ||
155 | :8,OX,terri(1) | |
156 | ||
157 | OXXx | |
158 | xbbX | |
159 | *.ax | |
160 | ---- | |
161 | ||
162 | ;xplay_attack(a,b) | |
163 | ||
164 | ||
165 | Pattern EE2b | |
166 | ||
167 | OXXx | |
168 | *OOX Start by backfilling | |
169 | ...x At least 1 point gote | |
170 | ---- | |
171 | ||
172 | :8,OX,terri(1) | |
173 | ||
174 | OXXx | |
175 | *ddX | |
176 | cbax | |
177 | ---- | |
178 | ||
179 | ;marginal_eye(a) && proper_eye(b) && proper_eye(c) && xplay_attack(a,d) | |
180 | ||
181 | ||
182 | Pattern EE2c | |
183 | ||
184 | OXX? Start by backfilling if block is unsafe | |
185 | *OO? At least 1 point gote | |
186 | ...? | |
187 | ---- | |
188 | ||
189 | :8,OX,terri(1) | |
190 | ||
191 | OXX? | |
192 | *OOb | |
193 | ..ac | |
194 | ---- | |
195 | ||
196 | ;x_alive_somewhere(b,c) && oplay_attack(a,a) && !oplay_attack(*,?,a,a) | |
197 | ||
198 | ||
199 | Pattern EE4 | |
200 | ||
201 | XOO. | |
202 | .X*. one point sente | |
203 | ---- | |
204 | ||
205 | :8,OXe,terri(1),followup(1) | |
206 | ||
207 | XOO. | |
208 | .X*. | |
209 | ---- | |
210 | ||
211 | ;marginal_eye(*) | |
212 | ||
213 | ||
214 | Pattern EE5 | |
215 | ||
216 | ??? | |
217 | XO? descend to edge | |
218 | .*? may quite possibly be 0 points gote | |
219 | --- | |
220 | ||
221 | :8,OXe,terri(0.1) | |
222 | ||
223 | eab | |
224 | XOc | |
225 | .*d | |
226 | --- | |
227 | ||
228 | ;o_somewhere(a,b,c,d,e) | |
229 | ||
230 | ||
231 | Pattern EE6 | |
232 | ||
233 | .OOOXX | |
234 | ...*.. | |
235 | ------ | |
236 | ||
237 | :8,OXe,terri(2) | |
238 | ||
239 | .OOOXX | |
240 | ..a*bc | |
241 | ------ | |
242 | ||
243 | ; proper_eye(a) && !oplay_attack(*,*) && oplay_attack(b,*,a,c,*,a) | |
244 | ; && xplay_attack(*,a,b,a) | |
245 | ||
246 | ||
247 | Pattern EE7 | |
248 | # tm New Pattern (3.1.19) | |
249 | # s classification, in case of ko (see trevorc:180) | |
250 | # pp Revised (3.3.18) the pattern to match on edge only. | |
251 | ||
252 | ?.X? | |
253 | O.*. | |
254 | ---- | |
255 | ||
256 | :8,sOXe,terri(0.75) | |
257 | ||
258 | ?.X? | |
259 | O.*a | |
260 | ---- | |
261 | ||
262 | ;proper_eye(a) && safe_omove(*) | |
263 | ||
264 | ||
265 | # first line hanes (except in corner) | |
266 | ##################################### | |
267 | ||
268 | Pattern EE101 | |
269 | ||
270 | OOXX endgame move | |
271 | ..*. 2 points gote | |
272 | ---- | |
273 | ||
274 | :8,OXe,terri(2) | |
275 | ||
276 | OOXX | |
277 | b.*a | |
278 | ---- | |
279 | ||
280 | ;proper_eye(a) && proper_eye(b) | |
281 | ||
282 | ||
283 | Pattern EE102 | |
284 | ||
285 | ???X? sente hane | |
286 | OXX.. 1 or 2 points sente | |
287 | .*..? | |
288 | ----- | |
289 | ||
290 | :8,OXe,terri(2),followup(7) | |
291 | ||
292 | ???X? | |
293 | OAA.. | |
294 | .*..? | |
295 | ----- | |
296 | ||
297 | ;lib(A)==3 | |
298 | ||
299 | ||
300 | Pattern EE103 | |
301 | ||
302 | ?OX? one point gote (and a little extra) | |
303 | ?.*. | |
304 | ---- | |
305 | ||
306 | :8,OXe | |
307 | ||
308 | ?OX? | |
309 | ?.*a | |
310 | ---- | |
311 | ||
312 | ;proper_eye(a) | |
313 | ||
314 | ||
315 | Pattern EE104 | |
316 | ||
317 | ?OX? two points gote | |
318 | ..*. | |
319 | ---- | |
320 | ||
321 | :8,OXe | |
322 | ||
323 | ?OX? | |
324 | b.*a | |
325 | ---- | |
326 | ||
327 | ;proper_eye(a) && proper_eye(b) | |
328 | ||
329 | ||
330 | # | |
331 | # If both EE105 and EE106 match, it's a double sente situation. | |
332 | # (followup and reverse followup probably bigger in reality.) | |
333 | # | |
334 | ||
335 | Pattern EE105 | |
336 | ||
337 | ?OX.. three points sente | |
338 | ..*.. | |
339 | ----- | |
340 | ||
341 | :8,OXe | |
342 | ||
343 | ?OE.. | |
344 | bc*a. | |
345 | ----- | |
346 | ||
347 | ;proper_eye(a) && proper_eye(b) && oplay_attack_either(*,a,c,a,E) | |
348 | ||
349 | ||
350 | Pattern EE106 | |
351 | ||
352 | ..OX? three points reverse sente | |
353 | ...*. | |
354 | ----- | |
355 | ||
356 | :8,OXe,reverse_followup(6) | |
357 | ||
358 | ..dX? | |
359 | .bc*a | |
360 | ----- | |
361 | ||
362 | ;proper_eye(a) && proper_eye(b) && xplay_attack_either(c,b,*,b,d) | |
363 | ;&& !xplay_attack(c,b,*,*) | |
364 | ||
365 | ||
366 | Pattern EE107 | |
367 | #tm New Pattern (3.1.16) | |
368 | # see trevor:163 | |
369 | # FIXME: move this pattern to appropriate place | |
370 | ||
371 | +-- very special corner position | |
372 | |.* | |
373 | |.O | |
374 | |OX | |
375 | ||
376 | :8,Oa | |
377 | ||
378 | +-- | |
379 | |.* | |
380 | |.O | |
381 | |OB | |
382 | ||
383 | ; defend(B) && !oplay_defend(*,B) && safe_xmove(*) | |
384 | ||
385 | ||
386 | Pattern EE108 | |
387 | # pp New pattern (see endgame:890) (3.5.1) | |
388 | ||
389 | ?OX? very small endgame move | |
390 | O.*. | |
391 | ---- | |
392 | ||
393 | :8,OXes,value(0.5) | |
394 | ||
395 | ?OX? | |
396 | Oa*b | |
397 | ---- | |
398 | ||
399 | ; proper_eye(b) && oplay_attack(*,b,a,a) && oplay_defend(a,*,a) | |
400 | ||
401 | ||
402 | Pattern EE109 | |
403 | # gf New pattern. (3.5.3) | |
404 | # Generic hane, let the territorial evaluation determine its value. | |
405 | ||
406 | OX hane on first line | |
407 | .* | |
408 | -- | |
409 | ||
410 | :8,OXe | |
411 | ||
412 | ||
413 | Pattern EE110 | |
414 | # gf New pattern. (3.5.3) | |
415 | # Followup value obviously imprecise, usually an underestimation. | |
416 | ||
417 | OX.O followup to save dead stones | |
418 | .*.. | |
419 | ---- | |
420 | ||
421 | :8,Xe,followup(5) | |
422 | ||
423 | aX.b | |
424 | d*c. | |
425 | ---- | |
426 | ||
427 | ;alive(a) && dead(b) && oplay_defend(*,c,d,b) | |
428 | ||
429 | ||
430 | # first line pushes (except in corner) | |
431 | ###################################### | |
432 | ||
433 | Pattern EE201 | |
434 | ||
435 | ?XX push on first line. | |
436 | O*. one point gote (and a little extra) | |
437 | --- | |
438 | ||
439 | :8,OXe,terri(1) | |
440 | ||
441 | ?XX | |
442 | O*a | |
443 | --- | |
444 | ||
445 | ;marginal_eye(*) && proper_eye(a) && max_eye_value(a) > 0 | |
446 | ||
447 | ||
448 | Pattern EE201b | |
449 | # nando New pattern. (3.7.11) | |
450 | ||
451 | ?XX push deeper on first line. | |
452 | O.* | |
453 | --- | |
454 | ||
455 | :8,sOXe | |
456 | ||
457 | ?XX | |
458 | Oa* | |
459 | --- | |
460 | ||
461 | ;marginal_eye(a) && proper_eye(*) && max_eye_value(*) > 0 | |
462 | ;&& (safe_omove(*) || oplay_attack(*,a,a)) | |
463 | ||
464 | >if (!safe_omove(*)) known_safe_move(*) | |
465 | ||
466 | ||
467 | Pattern EE202 | |
468 | ||
469 | OXX. endgame move | |
470 | .O*. 1 point reverse sente | |
471 | ---- | |
472 | ||
473 | :8,OXe,terri(1),reverse_followup(1) | |
474 | ||
475 | OXX. | |
476 | .O*a | |
477 | ---- | |
478 | ||
479 | ;marginal_eye(*) && marginal_eye(a) | |
480 | ||
481 | ||
482 | Pattern EE203 | |
483 | ||
484 | OXX. 1 point double sente | |
485 | .O*. | |
486 | ---- | |
487 | ||
488 | :8,OXe,terri(1),reverse_followup(2) | |
489 | ||
490 | ODDc | |
491 | bO*a | |
492 | ---- | |
493 | ||
494 | ;marginal_eye(*) && marginal_eye(a) && marginal_eye(c) | |
495 | ;&& (oplay_attack(*,a,b,a) || oplay_attack(*,a,b,D)) | |
496 | ||
497 | ||
498 | Pattern EE204 | |
499 | ||
500 | ?X. endgame move | |
501 | O*. 2 points gote | |
502 | --- | |
503 | ||
504 | :8,OXe,terri(2) | |
505 | ||
506 | ?Cb | |
507 | O*a | |
508 | --- | |
509 | ||
510 | ;marginal_eye(*) && proper_eye(a) | |
511 | ;&& (!oplay_defend(*,a,b,a) || !oplay_defend(*,a,b,C)) | |
512 | ||
513 | ||
514 | Pattern EE205 | |
515 | ||
516 | X.X at least 2 points, possibly more (followup) | |
517 | O*. | |
518 | --- | |
519 | ||
520 | :8,OXe,terri(2) | |
521 | ||
522 | XaX | |
523 | O*b | |
524 | --- | |
525 | ||
526 | ;marginal_eye(*) && proper_eye(a) && proper_eye(b) | |
527 | ||
528 | ||
529 | Pattern EE206 | |
530 | # gf New pattern. (3.1.20) | |
531 | ||
532 | X. | |
533 | O* | |
534 | -- | |
535 | ||
536 | :8,OXe | |
537 | ||
538 | ||
539 | # first line blocks (except in corner) | |
540 | ###################################### | |
541 | ||
542 | Pattern EE301 | |
543 | ||
544 | O. endgame move | |
545 | X* 1 points gote | |
546 | -- | |
547 | ||
548 | :8,OXe,terri(1) | |
549 | ||
550 | Oa | |
551 | X* | |
552 | -- | |
553 | ||
554 | ;marginal_eye(*) && proper_eye(a) && oplay_attack(*,a,a) | |
555 | ||
556 | ||
557 | Pattern EE302 | |
558 | # gf Revised constraint. (3.3.10) | |
559 | ||
560 | O. endgame move | |
561 | X* 2 points reverse sente | |
562 | -- | |
563 | ||
564 | :8,OXe,terri(2),reverse_followup(5) | |
565 | ||
566 | ba | |
567 | X* | |
568 | -- | |
569 | ||
570 | ;eye(*) && proper_eye(a) && oplay_defend_both(*,a,*,b) | |
571 | ||
572 | ||
573 | Pattern EE303 | |
574 | # al1 Revised symmetry. (3.7.11) | |
575 | ||
576 | OXO | |
577 | .*. | |
578 | --- | |
579 | ||
580 | :|,OXe,terri(2) | |
581 | ||
582 | ||
583 | # first line corner moves | |
584 | ######################### | |
585 | ||
586 | Pattern EE401 | |
587 | # gf Added n classification. (3.5.2) | |
588 | ||
589 | |.O? big endgame move | |
590 | |.OX at least 2 points gote | |
591 | |.*x | |
592 | +--- | |
593 | ||
594 | :8,nOXed,terri(2) | |
595 | ||
596 | ||
597 | Pattern EE402 | |
598 | # May look risky, but if it is, the safe_move test will reject it. | |
599 | ||
600 | |xxXO big endgame move | |
601 | |.XO. at least 3 points reverse sente | |
602 | |.*.. | |
603 | +---- | |
604 | ||
605 | :8,OXed,terri(3),reverse_followup(5) | |
606 | ||
607 | ||
608 | Pattern EE403 | |
609 | ||
610 | |OX endgame move | |
611 | |.* one point gote | |
612 | +-- | |
613 | ||
614 | :8,OXe,terri(1) | |
615 | ||
616 | |OX | |
617 | |.* | |
618 | +-- | |
619 | ||
620 | ;marginal_eye(*) | |
621 | ||
622 | ||
623 | Pattern EE404 | |
624 | # gf Revised constraint. (3.3.10) | |
625 | ||
626 | |OX? endgame move | |
627 | |.*. half point gote as sacrifice | |
628 | +--- | |
629 | ||
630 | :8,sOXe,terri(0.5) | |
631 | ||
632 | |OX? | |
633 | |.*a | |
634 | +--- | |
635 | ||
636 | ;marginal_eye(*) && proper_eye(a) | |
637 | ||
638 | ||
639 | Pattern EE404b | |
640 | # gf New pattern. See nngs:1480. (3.3.7) | |
641 | ||
642 | |.OX | |
643 | |OX. endgame move | |
644 | |.*. at least 1.5 points gote as sacrifice | |
645 | +--- | |
646 | ||
647 | :8,sOXe,value(1.5) | |
648 | ||
649 | |.OX | |
650 | |OX. | |
651 | |.*. | |
652 | +--- | |
653 | ||
654 | ;marginal_eye(*) | |
655 | ||
656 | ||
657 | Pattern EE405 | |
658 | # gf Made main diagram consistent with constraint diagram. (3.1.18) | |
659 | # gf Revised constraint. (3.3.10) | |
660 | ||
661 | |XO? endgame move | |
662 | |.*. one point gote | |
663 | +--- | |
664 | ||
665 | :8,OXe,terri(1) | |
666 | ||
667 | |XO? | |
668 | |.*a | |
669 | +--- | |
670 | ||
671 | ;marginal_eye(*) && proper_eye(a) | |
672 | ||
673 | ||
674 | Pattern EE406 | |
675 | ||
676 | |XO endgame move | |
677 | |.* possibly only filling dame | |
678 | +-- | |
679 | ||
680 | :8,OXe,terri(0.1) | |
681 | ||
682 | ||
683 | Pattern EE407 | |
684 | # gf Increased value. (3.3.14) | |
685 | # Give it a little more than 0.5 points in order to fill before capturing. | |
686 | ||
687 | |OX? fill ko at end of game | |
688 | |*OX 1/2 point gote | |
689 | +--- | |
690 | ||
691 | :8,X,terri(0.6) | |
692 | ||
693 | |aX? | |
694 | |*OX | |
695 | +--- | |
696 | ||
697 | ;!dead(a) | |
698 | ||
699 | ||
700 | Pattern EE408 | |
701 | # gf Increased value. (3.3.14) | |
702 | # Give it a little more than 0.5 points in order to fill before capturing. | |
703 | ||
704 | |XO? fill ko at end of game | |
705 | |O*O 1/2 point gote | |
706 | +--- | |
707 | ||
708 | :8,X,terri(0.6) | |
709 | ||
710 | |Xa? | |
711 | |O*O | |
712 | +--- | |
713 | ||
714 | ;!dead(a) | |
715 | ||
716 | ||
717 | Pattern EE409 | |
718 | ||
719 | |OX? take ko at end of game | |
720 | |X*X 1/2 point | |
721 | +--- | |
722 | ||
723 | :8,sO,terri(0.5) | |
724 | ||
725 | |OA? | |
726 | |X*X | |
727 | +--- | |
728 | ||
729 | ;!dead(A) | |
730 | ||
731 | ||
732 | Pattern EE410 | |
733 | ||
734 | |XO? take ko at end of game | |
735 | |*XO 1/2 point | |
736 | +--- | |
737 | ||
738 | :8,sO,terri(0.5) | |
739 | ||
740 | |AO? | |
741 | |*XO | |
742 | +--- | |
743 | ||
744 | ;!dead(A) | |
745 | ||
746 | ||
747 | Pattern EE411 | |
748 | ||
749 | |*O endgame ko | |
750 | |XO zero points sente or better | |
751 | |.X | |
752 | +-- | |
753 | ||
754 | :8,OX,terri(0.1),followup(0.5) | |
755 | ||
756 | ||
757 | Pattern EE412 | |
758 | ||
759 | |.X endgame ko | |
760 | |OX zero points reverse sente or better | |
761 | |*O | |
762 | +-- | |
763 | ||
764 | :8,OX,terri(0.1),reverse_followup(0.5) | |
765 | ||
766 | ||
767 | Pattern EE413 | |
768 | ||
769 | |.X? endgame ko | |
770 | |OXO 1/2 point | |
771 | |.O* | |
772 | +--- | |
773 | ||
774 | :8,OX,terri(0.5) | |
775 | ||
776 | ||
777 | Pattern EE414 | |
778 | ||
779 | |xX? three points gote | |
780 | |*OX plus possibly more for the eye in the corner | |
781 | |.OX | |
782 | |..O | |
783 | +--- | |
784 | ||
785 | :8,OXed,terri(3) | |
786 | ||
787 | ||
788 | Pattern EE415 | |
789 | # pp New pattern (3.3.18) | |
790 | # Currently necessary (see trevorb:170, where N11 is otherwise rejected | |
791 | # as "strategically or tactically unsafe) /ab | |
792 | ||
793 | |*O? | |
794 | |OXX | |
795 | |.OX | |
796 | +--- | |
797 | ||
798 | :8,X,terri(0.1),reverse_followup(2) | |
799 | ||
800 | |*A? | |
801 | |OXX | |
802 | |.OX | |
803 | +--- | |
804 | ||
805 | ;alive(A) | |
806 | ||
807 | ||
808 | Pattern EE416 | |
809 | # pp New pattern (3.3.18) | |
810 | ||
811 | |.OO? | |
812 | |..*X | |
813 | +---- | |
814 | ||
815 | :8,OXe | |
816 | ||
817 | |.aa? | |
818 | |..*X | |
819 | +---- | |
820 | ||
821 | ;xplay_attack(*,a) && !oplay_attack(*,a) | |
822 | ||
823 | >prevent_attack_threat(a) | |
824 | ||
825 | ||
826 | # miscellaneous first line moves | |
827 | ################################ | |
828 | ||
829 | Pattern EE501 | |
830 | # gf Increased value. (3.3.14) | |
831 | # Give it a little more than 0.5 points in order to fill before capturing. | |
832 | ||
833 | ?OX? fill ko at end of game | |
834 | O*OX 1/2 point gote | |
835 | ---- | |
836 | ||
837 | :8,X,terri(0.6) | |
838 | ||
839 | ?aX? | |
840 | O*OX | |
841 | ---- | |
842 | ||
843 | ;!dead(a) | |
844 | ||
845 | ||
846 | Pattern EE502 | |
847 | ||
848 | ?OX? take ko at end of game | |
849 | OX*X 1/2 point | |
850 | ---- | |
851 | ||
852 | :8,sO,terri(0.5) | |
853 | ||
854 | ?OA? | |
855 | OX*X | |
856 | ---- | |
857 | ||
858 | ;!dead(A) | |
859 | ||
860 | ||
861 | Pattern EE504 | |
862 | ||
863 | ... jump on the edge | |
864 | *.O | |
865 | --- | |
866 | ||
867 | :8,Oe | |
868 | ||
869 | ... | |
870 | *.O | |
871 | --- | |
872 | ||
873 | ;!omoyo(*) | |
874 | ||
875 | ||
876 | # second line descents | |
877 | ###################### | |
878 | ||
879 | Pattern EE601 | |
880 | # gf Revised constraint to avoid cyclic redistribution. (3.5.1) | |
881 | ||
882 | ??O? It's better to push down before blocking | |
883 | .X*X | |
884 | .... | |
885 | ---- | |
886 | ||
887 | :8,OX,terri(3),followup(5) | |
888 | ||
889 | ??O? | |
890 | aA*X | |
891 | .... | |
892 | ---- | |
893 | ||
894 | ; oplay_attack(*,a,A) && !oplay_attack(a,*,A) | |
895 | ||
896 | > replace(a,*) | |
897 | ||
898 | ||
899 | # second line hanes | |
900 | ################### | |
901 | ||
902 | # second line extensions | |
903 | ######################## | |
904 | ||
905 | Pattern EE801 | |
906 | # 1: not really gote and larger than 2.5 points | |
907 | # 2: Well, without making the pattern more specific we should be | |
908 | # prepared that the x really is in place and that there is an X two | |
909 | # steps below * too. Then it is usually gote and about this size. | |
910 | # We certainly can and should add patterns to deal with the case | |
911 | # that there is more space below, when it very likely is sente, | |
912 | # unless such patterns already exist in the EB class. | |
913 | # gf Actually this pattern doesn't even guarantee a single point, see | |
914 | # gifu03:204. Removed fixed territorial value. (3.5.3) | |
915 | ||
916 | |.O? endgame move | |
917 | |.*X 2.5 points gote | |
918 | |..x | |
919 | ||
920 | :8,OXe | |
921 | ||
922 | ||
923 | Pattern EE802 | |
924 | ||
925 | |.X extend on second line | |
926 | |.* 2 points gote | |
927 | |.O | |
928 | ||
929 | :8,OXe,terri(2) | |
930 | ||
931 | |bX | |
932 | |.* | |
933 | |aO | |
934 | ||
935 | ;proper_eye(a) && proper_eye(b) | |
936 | ||
937 | ||
938 | Pattern EE803 | |
939 | ||
940 | ?xx? | |
941 | X.*O extend on second line | |
942 | .... about 2 points gote | |
943 | ---- | |
944 | ||
945 | :8,OXe,terri(2) | |
946 | ||
947 | ?xx? | |
948 | X.*O | |
949 | b..a | |
950 | ---- | |
951 | ||
952 | ;proper_eye(a) && proper_eye(b) | |
953 | ||
954 | ||
955 | Pattern EE804 | |
956 | # gf Revised value. (3.3.15) | |
957 | ||
958 | O*X endgame move | |
959 | ..X not guaranteed to be more than 0 points gote | |
960 | --- | |
961 | ||
962 | :8,OXe,terri(0.1) | |
963 | ||
964 | O*X | |
965 | a.X | |
966 | --- | |
967 | ||
968 | ;marginal_eye(a) | |
969 | ||
970 | ||
971 | Pattern EE805 | |
972 | ||
973 | XX. extend on second line | |
974 | OO* not guaranteed to yield a single point | |
975 | ... | |
976 | --- | |
977 | ||
978 | :8,OXe,terri(0.1) | |
979 | ||
980 | ||
981 | Pattern EE806 | |
982 | # evand new (3.7.1) | |
983 | # see kgs:70 | |
984 | ||
985 | |.O?? | |
986 | |.OX. | |
987 | |.*X. | |
988 | |.... | |
989 | +---- | |
990 | ||
991 | :8,OXe,terri(3) | |
992 | ||
993 | |bO?? | |
994 | |.OX. | |
995 | |.*Xa | |
996 | |.... | |
997 | +---- | |
998 | ||
999 | ;xmoyo(a) && omoyo(b) | |
1000 | ||
1001 | ||
1002 | # second line extensions | |
1003 | ######################## | |
1004 | ||
1005 | Pattern EE851 | |
1006 | ||
1007 | Ox. clamp on second line | |
1008 | OX* almost too big to be classified as endgame move | |
1009 | ... | |
1010 | --- | |
1011 | ||
1012 | :8,OXe,terri(8) | |
1013 | ||
1014 | Ox. | |
1015 | OX* | |
1016 | .a. | |
1017 | --- | |
1018 | ||
1019 | ;oplay_attack(*,a,a) | |
1020 | ||
1021 | ||
1022 | # miscellaneous second line moves | |
1023 | ################################# | |
1024 | ||
1025 | ||
1026 | Pattern EE901 | |
1027 | # al1 Revised symmetry. (3.7.11) | |
1028 | ||
1029 | ?.? endgame move | |
1030 | X*X one point reverse sente | |
1031 | O.O | |
1032 | --- | |
1033 | ||
1034 | :|,OXe,terri(1),reverse_followup(2) | |
1035 | ||
1036 | ?a? | |
1037 | X*X | |
1038 | O.O | |
1039 | --- | |
1040 | ||
1041 | ;marginal_eye(*) && proper_eye(a) | |
1042 | ||
1043 | ||
1044 | Pattern EE902 | |
1045 | # al1 Revised symmetry. (3.7.11) | |
1046 | # Why does this have followup value? -ab | |
1047 | ||
1048 | ?.? endgame move | |
1049 | O*O one point sente | |
1050 | X.X | |
1051 | --- | |
1052 | ||
1053 | :|,OXe,terri(1),followup(2) | |
1054 | ||
1055 | ?a? | |
1056 | O*O | |
1057 | X.X | |
1058 | --- | |
1059 | ||
1060 | ;marginal_eye(*) && proper_eye(a) | |
1061 | ||
1062 | ||
1063 | Pattern EE903 | |
1064 | # gf New pattern. (3.1.23) | |
1065 | ||
1066 | ??XO? | |
1067 | ?OO*. | |
1068 | X.... | |
1069 | ----- | |
1070 | ||
1071 | :8,OXe | |
1072 | ||
1073 | ??XO? | |
1074 | ?OO*. | |
1075 | Xa... | |
1076 | ----- | |
1077 | ||
1078 | ;!safe_omove(a) | |
1079 | ||
1080 | ||
1081 | # third line moves | |
1082 | ################## | |
1083 | ||
1084 | ||
1085 | Pattern EE1002 | |
1086 | ||
1087 | ??X? endgame move | |
1088 | ?X*O at least one point reverse sente | |
1089 | OO.. | |
1090 | .... | |
1091 | ---- | |
1092 | ||
1093 | :8,OXe,terri(1),reverse_followup(4) | |
1094 | ||
1095 | ??X? | |
1096 | ?X*O | |
1097 | aa.. | |
1098 | .... | |
1099 | ---- | |
1100 | ||
1101 | ;lib(a)>3 | |
1102 | ||
1103 | ||
1104 | Pattern EE1003 | |
1105 | # gf New pattern. (3.1.12) | |
1106 | ||
1107 | O*X? at least one point and usually sente | |
1108 | ?X.o | |
1109 | ?X.o | |
1110 | ---- | |
1111 | ||
1112 | :8,OXe,terri(1) | |
1113 | ||
1114 | O*X? | |
1115 | ?Abo | |
1116 | ?A.o | |
1117 | ---- | |
1118 | ||
1119 | ;lib(A)==3 && proper_eye(b) | |
1120 | ||
1121 | ||
1122 | # reverse followups | |
1123 | ###################################### | |
1124 | ||
1125 | ||
1126 | Pattern EF101 | |
1127 | # This is the least value for the followup. A more precise value can | |
1128 | # only be had by dynamic reading. | |
1129 | ||
1130 | O.. | |
1131 | X*. | |
1132 | --- | |
1133 | ||
1134 | :8,OX,reverse_followup(4) | |
1135 | ||
1136 | Oa. | |
1137 | X*. | |
1138 | --- | |
1139 | ||
1140 | ;marginal_eye(*) && proper_eye(a) && oplay_attack(*,a,a) | |
1141 | ||
1142 | ||
1143 | Pattern EF102 | |
1144 | # tm New Pattern (3.1.16) | |
1145 | # tm modified (3.1.17) | |
1146 | # tm modified (3.1.20) | |
1147 | # gf Removed terri(1) value. (3.1.29) | |
1148 | # FIXME: see endgame:218, trevord:1030, trevorc:430 | |
1149 | # FIXME: This is no edge pattern, move it. | |
1150 | ||
1151 | O. | |
1152 | *O | |
1153 | ||
1154 | :8,O,reverse_followup(3) | |
1155 | ||
1156 | ac | |
1157 | *b | |
1158 | ||
1159 | ;proper_eye(c) && oterri(c) && !oplay_attack(*,*) | |
1160 | ;&& !xplay_attack(*,*) && xplay_attack_either(*,a,b) | |
1161 | ||
1162 | ||
1163 | ###################################################################### | |
1164 | # | |
1165 | # Center endgame patterns | |
1166 | # | |
1167 | # Moves in the center with small weights, intended to come into play | |
1168 | # in the endgame. | |
1169 | # | |
1170 | ###################################################################### | |
1171 | ||
1172 | Pattern CE1 | |
1173 | # gf Increased value. (3.3.14) | |
1174 | # Give it a little more than 0.5 points in order to fill before capturing. | |
1175 | ||
1176 | ?OX? fill ko at end of game | |
1177 | O*OX 1/2 point gote | |
1178 | ?OX? | |
1179 | ||
1180 | :-,X,terri(0.6) | |
1181 | ||
1182 | ?OX? | |
1183 | a*OX | |
1184 | ?OX? | |
1185 | ||
1186 | ;!dead(a) | |
1187 | ||
1188 | ||
1189 | Pattern CE2 | |
1190 | ||
1191 | ?OX? take ko at end of game | |
1192 | OX*X 1/2 point | |
1193 | ?OX? | |
1194 | ||
1195 | :-,sO,terri(0.5) | |
1196 | ||
1197 | ?OX? | |
1198 | OX*A | |
1199 | ?OX? | |
1200 | ||
1201 | ;!dead(A) | |
1202 | ||
1203 | ||
1204 | Pattern CE3 | |
1205 | # al1 Revised symmetry. (3.7.11) | |
1206 | ||
1207 | ... push against opponent | |
1208 | O*X about 1 point gote | |
1209 | ... | |
1210 | ||
1211 | :-,OXe,terri(1) | |
1212 | ||
1213 | ||
1214 | Pattern CE4a | |
1215 | # gf Split and revised pattern. (3.3.10) | |
1216 | # gf Revised constraint. (3.3.16) | |
1217 | ||
1218 | ??X endgame move | |
1219 | O*. about 1 point reverse sente | |
1220 | ?.O | |
1221 | ||
1222 | :8,OXe,terri(1),reverse_followup(1) | |
1223 | ||
1224 | ??X | |
1225 | O*. | |
1226 | ?aO | |
1227 | ||
1228 | ;marginal_eye(*) && proper_eye(a) && (!halfeye(a) || false_eye_territory(a)) | |
1229 | ||
1230 | ||
1231 | Pattern CE4b | |
1232 | # gf Split and revised pattern. (3.3.10) | |
1233 | ||
1234 | ??X endgame move | |
1235 | O*. about 1 point reverse sente | |
1236 | x.O | |
1237 | ||
1238 | :8,OXe,terri(1),reverse_followup(2) | |
1239 | ||
1240 | ??X | |
1241 | O*. | |
1242 | baO | |
1243 | ||
1244 | ;marginal_eye(*) && proper_eye(a) && proper_eye(b) | |
1245 | ||
1246 | ||
1247 | Pattern CE6 | |
1248 | ||
1249 | X? push in | |
1250 | *O 0 points gote | |
1251 | ||
1252 | :8,OXe,terri(0.1) | |
1253 | ||
1254 | ||
1255 | Pattern CE9 | |
1256 | # gf Revised constraint. (3.3.15) | |
1257 | ||
1258 | .X push in | |
1259 | *O 1 points gote | |
1260 | ||
1261 | :8,nOXe,terri(1) | |
1262 | ||
1263 | aX | |
1264 | *O | |
1265 | ||
1266 | ;marginal_eye(*) && max_eye_value(*)>0 | |
1267 | ;&& !safe_omove(a) && !obvious_false_xeye(a) | |
1268 | ||
1269 | ||
1270 | Pattern CE12 | |
1271 | ||
1272 | X*O worth a point in chinese rules | |
1273 | ||
1274 | :-,OXe,terri(0.1) | |
1275 | ||
1276 | ||
1277 | Pattern CE13 | |
1278 | # al1 Revised symmetry. (3.7.11) | |
1279 | ||
1280 | X.X sometimes double sente endgame move | |
1281 | .*. one point gote | |
1282 | O.O | |
1283 | ||
1284 | :|,OXe,terri(1) | |
1285 | ||
1286 | XbX | |
1287 | .*. | |
1288 | OaO | |
1289 | ||
1290 | ;proper_eye(a) || proper_eye(b) | |
1291 | ||
1292 | ||
1293 | Pattern CE14 | |
1294 | # al1 Revised symmetry. (3.7.11) | |
1295 | ||
1296 | X.X sometimes double sente endgame move | |
1297 | .*. two points gote | |
1298 | O.O | |
1299 | ||
1300 | :|,OXe,terri(2) | |
1301 | ||
1302 | XbX | |
1303 | .*. | |
1304 | OaO | |
1305 | ||
1306 | ;proper_eye(a) && proper_eye(b) | |
1307 | ||
1308 | ||
1309 | Pattern CE15 | |
1310 | ||
1311 | .X? sente endgame move | |
1312 | .*. one point sente | |
1313 | X.O | |
1314 | ||
1315 | :8,OXe,terri(1) | |
1316 | ||
1317 | .X? | |
1318 | a*. | |
1319 | X.O | |
1320 | ||
1321 | ;marginal_eye(*) && proper_eye(a) | |
1322 | ||
1323 | ||
1324 | Pattern CE15b | |
1325 | ||
1326 | XX? gote endgame move | |
1327 | .*. one point gote | |
1328 | X.O | |
1329 | ||
1330 | :8,OXe,terri(1) | |
1331 | ||
1332 | XX? | |
1333 | a*. | |
1334 | X.O | |
1335 | ||
1336 | ;marginal_eye(*) && proper_eye(a) | |
1337 | ||
1338 | ||
1339 | Pattern CE16 | |
1340 | ||
1341 | .X? sente endgame move | |
1342 | .*O one point sente | |
1343 | X?? | |
1344 | ||
1345 | :8,OXe,terri(1) | |
1346 | ||
1347 | .X? | |
1348 | a*O | |
1349 | X?? | |
1350 | ||
1351 | ;marginal_eye(*) && proper_eye(a) && olib(*)>2 | |
1352 | ||
1353 | ||
1354 | Pattern CE16b | |
1355 | # gf Revised constraint. (3.3.15) | |
1356 | ||
1357 | .O? sente endgame move | |
1358 | .*X one point reverse sente | |
1359 | O?? | |
1360 | ||
1361 | :8,OXe,terri(1),reverse_followup(2) | |
1362 | ||
1363 | .O? | |
1364 | a*X | |
1365 | O?? | |
1366 | ||
1367 | ;marginal_eye(*) && proper_eye(a) && max_eye_value(a)>0 && xlib(*)>2 | |
1368 | ||
1369 | ||
1370 | Pattern CE17 | |
1371 | # gf Revised constraint. (3.3.20) | |
1372 | ||
1373 | XO endgame move | |
1374 | .* one point sente | |
1375 | xX | |
1376 | ||
1377 | :8,OXe,terri(1) | |
1378 | ||
1379 | XO | |
1380 | a* | |
1381 | xX | |
1382 | ||
1383 | ;marginal_eye(*) && proper_eye(a) && max_eye_value(a)>0 && olib(*)>2 | |
1384 | ||
1385 | ||
1386 | Pattern CE18 | |
1387 | # tm removed reverse_followup value | |
1388 | # see trevorb:700 | |
1389 | # gf Revised constraint. (3.3.15) | |
1390 | ||
1391 | OX endgame move | |
1392 | .* one point gote. | |
1393 | oO | |
1394 | ||
1395 | :8,OXe,terri(1) | |
1396 | ||
1397 | OX | |
1398 | a* | |
1399 | oO | |
1400 | ||
1401 | ;marginal_eye(*) && proper_eye(a) && max_eye_value(a)>0 | |
1402 | ||
1403 | ||
1404 | Pattern CE19 | |
1405 | # gf Revised constraint. (3.3.15) | |
1406 | ||
1407 | ?.? endgame move | |
1408 | X*X one point gote | |
1409 | O.O | |
1410 | ||
1411 | :|,OXe,terri(1) | |
1412 | ||
1413 | ?b? | |
1414 | X*X | |
1415 | OaO | |
1416 | ||
1417 | ;marginal_eye(*) && proper_eye(b) && max_eye_value(b)>0 && oplay_attack(*,a,a) | |
1418 | ||
1419 | ||
1420 | Pattern CE20a | |
1421 | # gf Split and revised pattern. (3.3.10) | |
1422 | # gf Revised constraint. (3.3.15) | |
1423 | ||
1424 | ?.? Smallish endgame | |
1425 | O*O one point, possibly reverse sente | |
1426 | ?X? | |
1427 | ||
1428 | :|,nOXe,terri(1),reverse_followup(1) | |
1429 | ||
1430 | ?a? | |
1431 | O*O | |
1432 | ?X? | |
1433 | ||
1434 | ;marginal_eye(*) && proper_eye(a) && max_eye_value(a)>0 | |
1435 | ||
1436 | ||
1437 | Pattern CE20b | |
1438 | # gf Split and revised pattern. (3.3.10) | |
1439 | ||
1440 | ?.x Smallish endgame | |
1441 | O*O one point reverse sente | |
1442 | ?X? | |
1443 | ||
1444 | :8,nOXe,terri(1),reverse_followup(2) | |
1445 | ||
1446 | ?ab | |
1447 | O*O | |
1448 | ?X? | |
1449 | ||
1450 | ;marginal_eye(*) && proper_eye(a) && proper_eye(b) | |
1451 | ||
1452 | ||
1453 | Pattern CE20c | |
1454 | # gf Split and revised pattern. (3.3.10) | |
1455 | ||
1456 | x.x Smallish endgame | |
1457 | O*O one point reverse sente | |
1458 | ?X? | |
1459 | ||
1460 | :|,nOXe,terri(1),reverse_followup(3) | |
1461 | ||
1462 | cab | |
1463 | O*O | |
1464 | ?X? | |
1465 | ||
1466 | ;marginal_eye(*) && proper_eye(a) && proper_eye(b) && proper_eye(c) | |
1467 | ||
1468 | ||
1469 | Pattern CE21 | |
1470 | # gf Constraint revised. (3.1.8) | |
1471 | ||
1472 | *OX Smallish endgame | |
1473 | O.O one point reverse sente | |
1474 | ||
1475 | :8,nOXe,terri(1),reverse_followup(2) | |
1476 | ||
1477 | *bX | |
1478 | OaO | |
1479 | ||
1480 | ;proper_eye(a) && lib(b)==2 && !oterri(*) | |
1481 | ||
1482 | ||
1483 | Pattern CE22 | |
1484 | # gf Territory not guaranteed by pattern. Removed terri(1). (3.7.2) | |
1485 | # al1 Revised symmetry. (3.7.11) | |
1486 | ||
1487 | ?X? | |
1488 | .*. one point gote | |
1489 | O.O | |
1490 | ooo | |
1491 | ||
1492 | :|,OXe | |
1493 | ||
1494 | ||
1495 | Pattern CE23 | |
1496 | ||
1497 | O?? | |
1498 | *Xx endgame move | |
1499 | ..X two points gote | |
1500 | xXO | |
1501 | ||
1502 | :8,OXe,terri(2) | |
1503 | ||
1504 | O?? | |
1505 | *Xx | |
1506 | baX | |
1507 | xXO | |
1508 | ||
1509 | ;proper_eye(a) && proper_eye(b) | |
1510 | ||
1511 | ||
1512 | Pattern CE24 | |
1513 | #tm revised terri from 5 to 4 (3.1.20) (see trevord:180 O6) | |
1514 | ||
1515 | ??OX rescue one stone making territory | |
1516 | X*.O | |
1517 | ?O.. | |
1518 | ||
1519 | :8,X,terri(4) | |
1520 | ||
1521 | ??OX | |
1522 | X*.A | |
1523 | ?Ob. | |
1524 | ||
1525 | ; omoyo(b) && lib(A)==2 | |
1526 | ||
1527 | ||
1528 | # Pattern CE25 | |
1529 | # # tm New pattern (3.1.15) (see trevora:320) | |
1530 | # # gf Bad pattern, see olympiad2004:121. | |
1531 | # # gf Also no longer needed in trevora:320, removed. (3.7.1) | |
1532 | # | |
1533 | # O*X | |
1534 | # XX. | |
1535 | # | |
1536 | # :8,OX,terri(1) | |
1537 | # | |
1538 | # O*X | |
1539 | # Xa. | |
1540 | # | |
1541 | # ;lib(a)==2 | |
1542 | ||
1543 | ||
1544 | Pattern CE26 | |
1545 | # gf New pattern. (3.1.18) (see trevorb:870) | |
1546 | ||
1547 | O*O | |
1548 | X.X | |
1549 | ||
1550 | :|,OXe | |
1551 | ||
1552 | ||
1553 | Pattern CE27 | |
1554 | # tm New Pattern (3.1.18) | |
1555 | # al1 Revised symmetry. (3.7.11) | |
1556 | ||
1557 | ... moyo breakin worth a lot. | |
1558 | X*X | |
1559 | ?O? | |
1560 | ||
1561 | :|,-,terri(3) | |
1562 | ||
1563 | .b. | |
1564 | A*C | |
1565 | ?O? | |
1566 | ||
1567 | ; xmoyo(b) && oplay_break_through(*,b,A,b,C) == WIN | |
1568 | ||
1569 | ||
1570 | Pattern CE28 | |
1571 | # tm New Pattern (3.1.20) | |
1572 | # gf Revised constraint. (3.3.10) | |
1573 | ||
1574 | OX | |
1575 | .* | |
1576 | O. | |
1577 | ||
1578 | :8,nOXe,terri(1) | |
1579 | ||
1580 | OX | |
1581 | A* | |
1582 | OB | |
1583 | ||
1584 | ;proper_eye(A) && oplay_attack(*,B,B) | |
1585 | ||
1586 | ||
1587 | Pattern CE28b | |
1588 | # gf New pattern. (3.3.10) | |
1589 | ||
1590 | OX | |
1591 | .* | |
1592 | O. | |
1593 | ||
1594 | :8,nOXe | |
1595 | ||
1596 | ||
1597 | Pattern CE29 | |
1598 | # tm New Pattern (3.1.20) (see trevord:950) | |
1599 | # FIXME: this pattern better in patterns.db? | |
1600 | # gf Added constraint. (3.3.13) (see gunnar:18) | |
1601 | # nando Added s classification and action. (3.7.11) | |
1602 | ||
1603 | X*X Wedge | |
1604 | O.X | |
1605 | ||
1606 | :8,sOXe | |
1607 | ||
1608 | B*X | |
1609 | OaX | |
1610 | ||
1611 | ;oplay_attack_either(*,a,a,B) | |
1612 | ||
1613 | >if (!safe_omove(*)) known_safe_move(*) | |
1614 | ||
1615 | ||
1616 | Pattern CE31 | |
1617 | # gf New pattern. (3.3.6) | |
1618 | ||
1619 | X.X | |
1620 | ?*? | |
1621 | ?O? | |
1622 | ||
1623 | :|,OXe,terri(0.1) | |
1624 | ||
1625 | ||
1626 | Pattern CE32 | |
1627 | # gf New pattern. (3.3.17) | |
1628 | ||
1629 | X*X | |
1630 | O.o | |
1631 | ?O? | |
1632 | ||
1633 | :8,OXe | |
1634 | ||
1635 | ||
1636 | Pattern CE33 | |
1637 | # gf New pattern. (3.5.3) | |
1638 | # If both colors are alive this does at best fill a dame. | |
1639 | ||
1640 | OOO | |
1641 | O*O | |
1642 | ?X? | |
1643 | ||
1644 | :8,OX,maxterri(0.1) | |
1645 | ||
1646 | ||
1647 | Pattern CE34 | |
1648 | # gf New pattern. (3.7.4) | |
1649 | # See gunnar:77. | |
1650 | ||
1651 | X.* | |
1652 | ?O. | |
1653 | ??X | |
1654 | ||
1655 | :/,OXe | |
1656 | ||
1657 | ||
1658 | ###################################################################### | |
1659 | # | |
1660 | # Center followup patterns | |
1661 | # | |
1662 | # Patterns in the center which enhance the precision of the CE patterns. | |
1663 | # | |
1664 | ###################################################################### | |
1665 | ||
1666 | # Pattern CF3 | |
1667 | # # tm New Pattern (3.1.23) (see arend:36) | |
1668 | # # FIXME: Perhaps better in patterns.db? | |
1669 | # # gf This pattern is redundant because the followup has already been | |
1670 | # # found by find_worm_threats(). (This was broken in 3.1.23 and 3.1.24.) | |
1671 | # # al1 Remove pattern. (3.7.11) | |
1672 | # | |
1673 | # O*.O threaten to save | |
1674 | # | |
1675 | # :-,- | |
1676 | # | |
1677 | # b*ca | |
1678 | # | |
1679 | # ; dead(a) && !dead(b) && oplay_disconnect(*,*,a) && !oplay_attack(*,?,c,a) | |
1680 | # | |
1681 | # > threaten_to_save(a) | |
1682 | ||
1683 | ||
1684 | ###################################################################### | |
1685 | # | |
1686 | # Eye patterns | |
1687 | # | |
1688 | # Moves which steal or save a few points by making eye points false. | |
1689 | # | |
1690 | ###################################################################### | |
1691 | ||
1692 | ||
1693 | Pattern EY1 | |
1694 | # gf Revised constraint. (3.3.10) | |
1695 | ||
1696 | X*O | |
1697 | .X? | |
1698 | ||
1699 | :8,nOXe,terri(1) | |
1700 | ||
1701 | X*b | |
1702 | aX? | |
1703 | ||
1704 | ;halfeye(a) && max_eye_value(a)>0 && !false_eye_territory(a) && !weak(b) | |
1705 | ||
1706 | ||
1707 | Pattern EY2 | |
1708 | # gf Revised constraint. (3.3.10) | |
1709 | ||
1710 | ?.O | |
1711 | X*. | |
1712 | .X? | |
1713 | ||
1714 | :/,nOXe,terri(1) | |
1715 | ||
1716 | ?.b | |
1717 | X*. | |
1718 | aX? | |
1719 | ||
1720 | ;halfeye(a) && max_eye_value(a)>0 && !false_eye_territory(a) && !weak(b) | |
1721 | ||
1722 | ||
1723 | Pattern EY3 | |
1724 | # gf Revised constraint. (3.3.10) | |
1725 | ||
1726 | O*X | |
1727 | .O? | |
1728 | ||
1729 | :8,nOXe,terri(1) | |
1730 | ||
1731 | O*X | |
1732 | aO? | |
1733 | ||
1734 | ;halfeye(a) && max_eye_value(a)>0 && !false_eye_territory(a) | |
1735 | ||
1736 | ||
1737 | Pattern EY4 | |
1738 | # gf Revised constraint. (3.3.10) | |
1739 | ||
1740 | ?.X | |
1741 | O*. | |
1742 | .O? | |
1743 | ||
1744 | :/,nOXe,terri(1) | |
1745 | ||
1746 | ?.X | |
1747 | O*. | |
1748 | aO? | |
1749 | ||
1750 | ;halfeye(a) && max_eye_value(a)>0 && !false_eye_territory(a) | |
1751 | ||
1752 | ||
1753 | Pattern EY5 | |
1754 | # gf Revised constraint. (3.3.10) | |
1755 | ||
1756 | ?.X | |
1757 | O.* | |
1758 | .O? | |
1759 | ||
1760 | :8,nOXe,terri(1) | |
1761 | ||
1762 | ?.X | |
1763 | Ob* | |
1764 | aO? | |
1765 | ||
1766 | ;halfeye(a) && max_eye_value(a)>0 && !false_eye_territory(a) | |
1767 | ;&& oplay_attack(*,b,b) == WIN | |
1768 | ||
1769 | ||
1770 | # END OF FILE |