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An implementation of Tak and a computer opponent in C
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negamax.c
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Author
2026-09-02
TD(lambda), and a big rework
tslil
2026-05-05
fix longstanding negamax bug
tslil
2023-01-29
switch to returning an array of actions instead of a linked list
action_array
tslil clingman
2023-01-21
might as well enable size 6
tslil clingman
2023-01-19
Change transposition table lookup policy
tslil clingman
2023-01-16
switch to explicit game state & important bug fix & clang format
tslil clingman
2023-01-15
new neural network arch (faster + better) & minor changes + fixes
tslil clingman
2021-06-01
Trying to make things faster
tslil
2021-03-28
Fix copyright notice in files, and small preemptive optimisation
tslil clingman
2021-02-05
Rename ct_k -> ct, IANAL but ...
tslil
2021-02-01
Tried some naive iterative deepening. Work on TEI interface next
tslil clingman
2021-01-30
Try to squeeze out a little more performance
tslil clingman
2021-01-28
Added license information!
tslil clingman
2021-01-28
Print progress before recursion rather than after
tslil clingman
2021-01-28
It would appear that any function call whatsoever is slower :/
tslil clingman
2021-01-26
I don't have the presence of mind to debug this right now
tslil clingman
2021-01-26
Small changes to build ct1986
tslil clingman
2021-01-26
Storing best moves!
tslil clingman
2021-01-26
This matches alpha-beta!
tslil clingman
2021-01-26
Stable negamax-alpha-beta fail-soft
tslil clingman
2021-01-26
Once again, adding TT changes the outcome
tslil clingman
2021-01-26
Actually it seems before i was mis-counting
tslil clingman
2021-01-26
There is still a bug, it doesn't appear to be checking enough
tslil clingman
2021-01-25
Stripping debug stuff
tslil clingman
2021-01-25
Still bugs...
tslil clingman
2021-01-25
Still some bugs, standing stone becomes flat at depth4 self-play??
tslil clingman
2021-01-25
There are still some bugs in the undo almost surely...
tslil clingman
2021-01-25
Lots of bugfixes, mostly uint vs int. Still weirdness in game
tslil clingman
2021-01-24
This is the basic idea, there's ≥ 1 bug (generates illegals...)
tslil clingman
2021-01-24
Working on action lists to refactor
tslil clingman
2021-01-24
Still trying
tslil clingman
2021-01-23
Hash collisions
tslil clingman
2021-01-23
Fixed some important bugs
tslil clingman
2021-01-23
Attempting Zobrist hashing
tslil clingman