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[sgk-go] / patterns / aa_attackpats.db

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# modify it under the terms of the GNU General Public License       #
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# or (at your option) any later version.                            #
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# PURPOSE.  See the GNU General Public License in file COPYING      #
# for more details.                                                 #
#                                                                   #
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# Boston, MA 02111, USA                                             #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
#  The atari_atari attack pattern database.
#
#  Further documentation may be found in the Texinfo documentation.
#
#  First there is a pattern title of the form: Pattern [string]. The
#  string is used for identifying the pattern while tuning or debugging.
#
#  Then a block of the following characters representing the pattern
#  itself.
#  
#  ?     : don't care
#  .     : empty
#  X     : your piece,
#  O     : my piece,
#  x     : your piece or empty
#  o     : my piece or empty
#  *     : my next move
#  -, |  : edge of board
#  +     : corner of board
#
#  If a pattern must not match at the edge of the board,
#  an extra row of ?'s in the pattern may be added. (This
#  will not add to the time taken to check the pattern.)
#
#################
#
#  In the second field (classification) the following pattern attributes
#  are possible. Friendly stones are 'O', opponent stones are 'X'.
# 
# s  :  "Sacrifice" pattern. Allow sacrifice through self atari.
#       Notice that this is different from the usual meaning of the
#       s classification since all but a few moves in an atari_atari
#       sequence are expected to be sacrifices.
#
# c  :  "Conditional" pattern. Don't accept the move unless it is also
#       found by a non-conditional pattern or by one more conditional
#       pattern that threatens some other string.
# 
#########################################################


attribute_map none

goal_elements Xx
callback_data X


Pattern A1

X*

:-,-

A*

;lib(A) == 2


Pattern A2

xXOXx
..X*.
.....
-----

:8,-


Pattern A3

OX
X*
X.
xx
--

:8,-


Pattern A4

?X
O*
X.
xx
--

:8,-


Pattern A5

?O?
X*X
...
---

:|,-


Pattern A6

*.X
oXO

:8,c

*.X
oXO

;olib(*)>3


Pattern A7

X.X      reduce eyespace
X*X
OXO

:|,s


Pattern A7b
# gf New pattern. (3.5.10)

|.X      reduce eyespace
|*X
|XO
|.X

:8,s


Pattern A7c

X.X      reduce eyespace
X*X
OX.

:8,s

A.X
A*X
OXb

;lib(A)==2 && olib(b)>1


Pattern A8

O..
?X*
??O

:8,c


Pattern A9

X*
OX

:/,-

X*
OX

;safe_omove(*)


Pattern A10

?X?
XOX
.*.

:|,-


Pattern A11

*.X
?.X
?XO

:8,c

*.X
?.X
?XO

;olib(*)>3


Pattern A12

.X?
*.X
.X?
---

:8,-

.X?
*.X
.A?
---

;lib(A)==2 && olib(*)>3


Pattern A13

*O
.X
.X
.x
--

:8,-

*O
.A
.A
.x
--

;lib(A)==3 && olib(*)>=3


Pattern A14

.X.
X*X
?O?

:|,-

.X.
A*B
?O?

;safe_omove(*) && oplay_attack_either(*,A,B)
;&& !oplay_connect(*,A,B)


Pattern A15
#evand new pattern (3.3.13)

?X?
X*.
?XX

:8,s

?X?
X*b
?AA

;lib(A) == 2 && xlib(b) <= 2


Pattern A16
#evand new pattern (3.3.13)

*x
X.
x.
--

:8,-

*x
A.
x.
--

;lib(A) == 3


Pattern A17
# gf New pattern. (3.3.16)

?O??
o*XX
..xX
...X
----

:8,-

?O??
o*AA
..xA
...A
----

;lib(A)==3 && olib(*)>=2


Pattern A18
# gf New pattern. (3.3.17)

??.?
?X*.
OOX.
?X..
??.?

:8,-

??.?
?C*.
eeXa
?Db.
??.?

;!oplay_attack(*,e) && oplay_attack(*,a,C) && oplay_attack(b,a,D)


Pattern A19
# gf New pattern. (3.3.17)

?*X    threaten snapback
O..
?XX

:8,c

?*X
O..
?AA

;lib(A)==2 && olib(*)>1


Pattern A20
# gf New pattern. (3.3.17)

|*X    threaten snapback
|..
|XX

:8,c

|*X
|..
|AA

;lib(A)==2 && olib(*)>1


Pattern A21
# gf New pattern. (3.3.17)

.XO
*.X
---

:8,-

.XO
*.A
---

;lib(A)==2 && olib(*)>2


Pattern A22
#evand New pattern. (3.3.18)

?.X
O.X
X*X
?X?

:8,s

?.A
ObA
X*A
?X?

;lib(A) <= 4 && oplay_attack(*,b,A) && oplay_defend(*,?,*)


Pattern A23
# evand New pattern. (3.3.19)

XXO
.X.
.*.

:8,-

AAB
.A.
.*.

;lib(A) == 3 && lib(B) > 1 && oplay_attack(*,A)


Pattern A24
# pp New pattern - see atari_atari:25 and blunder:31 (3.5.1)

?*?
XOX

:|,-

?*?
BAC

; lib(A) == 1 && lib(B) + lib(C) <= 6 && !oplay_defend_both(*,B,C)


Pattern A25
# gf New pattern. (3.5.4)

..X
*OX
.XO

:8,-

..A
*OA
.BO

;lib(A)<=3 && lib(B)<=3 && (oplay_attack(*,A) || oplay_attack(*,B))


Pattern A26
# pp New pattern, see kgs:490. (3.7.4)

?XX
O*.
?X.

:8,-

?CC
A*a
?B.

# FIXME: The constraint is not very good.
; lib(B) <= 5 && lib(A) > lib(B) && !oplay_defend(*,?,a,C)


# END OF FILE