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Suggested by Matthias Scheler.
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18.9 Book() modified to increase the responsiveness of book learning.
the new code, plus the default weights for the book parameters
now make Crafty learn very aggressively and repeat good opening
lines and avoid bad ones.
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18.8 recapture extension turned back on for a while. changes to the
evaluation code, particularly EvaluatePawns() to make it more
efficient and accurate. IE it was possible for an isolated pawn
to be penalized for being isolated, weak, and blocked, which made
little sense.
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since they aren't created automatically anymore.
XXX: a.out-safe?
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first component is now a package name+version/pattern, no more
executable/patchname/whatnot.
While there, introduce BUILD_USES_MSGFMT as shorthand to pull in
devel/gettext unless /usr/bin/msgfmt exists (i.e. on post-1.5 -current).
Patch by Alistair Crooks <agc@netbsd.org>
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Idea by Martin Husemann.
XXX: Could be that other platforms need an appropriate #ifdef here, too,
but I don't know which. Probably still broken on LP64.
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18.7 BOOK_CLUSTER_SIZE increased to 2000 to handle making really large
books. a book made without this change could produce clusters
that would cause memory overwrites.
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opening book...it's actually more than I originally thought. Also, change
the command used to create the book, on the advice of Dr. Hyatt.
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by Chuck Cranor, and some cleanup by me: now with color-support and
8 new levels.
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corresponding glib ones so that gtk headers/libs are found.
fixes recently noted bulk build problems
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18.6 "new" no longer produces a new log.nnn/game.nnn file if no moves
have actually been played. minor change to rook scoring gives a
penalty when a rook has no horizontal (rank) mobility, to avoid
moves like Ra2 protecting the pawn on b2, etc. glitch in the
code that initializes is_outside[][] and is_outside_c[][] could
cause missed outside pawn cases to happen. this has been there
a long time.
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* remove redundant dependency on png and remove -lpng
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Game which five years ago was kiler in Polish offices and libraries.
To my surprise i can't find anywhere linux version of that game, and i got
bored of rebooting to windows only to play kulki...
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18.5 minor change to RootMove() to use Quiesce() rather than the more
complicated way it was ordering with Evaluate()/EnPrise(). this
is no faster, but it is simpler and eliminated the need for the
EnPrise() function totally, making the code a bit smaller. bug
in EvaluateDraws() would let it think that the bishop+wrong rook
pawn endings were winnable if both kings were very close to the
queening square, even with the wrong bishop.
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dependency on autoconf. Changes from 4.2.2 include:
* Bugfix: The error message "Variant X not supported by gnuchessx"
formerly could pop up even in -ncp mode.
* Fixed an xboard bug in premove highlighting.
* Modified premove again. Now we are back to displaying the move
locally immediately after sending it to the server, as in versions
prior to 4.2.1. This is good because it lets you register your next
premove sooner. As a better fix to the problem that the change in
4.2.1 had been trying to address, we now suppress animating the
opponent's move if you have a premove reply pending.
* Removed an erroneous patch that left zombie chess engines around
when both sigterm and reuse were turned off. (Bug was in xboard only,
not winboard.)
* Bugfix: loading a game with autostepping did not work for games with
PGN result "*" (unfinished). This bug was introduced in 4.1.0, caused
by some outdated code that was supposed to leave you in EditGame mode
after loading an unfinished game.
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18.4 recapture extension was left in SearchSMP() erroneously. this
has now been protected by a #ifdef just like it was in Search().
bug in RepetitionCheck() was causing problems in SMP versions.
The entire repetition list code was modified to clean this up.
the problem was most noticable on things like fine #70. bug in
LearnImportBook() confused the learn value sign, due to the other
changes to make +=white all the time. opposite bishop scoring
has been beefed up a bit to avoid these drawish endings.
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with some changes by me:
Throw away Doom, Quake and Duke Nukem - 0verkill comes. Now you don't even need
graphic mode if you wanna take a bloody deathmatch with your friends.
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using the newest PNG library won't work on system with an older one. To
prevent such problems with precompiled binary packages require at least
"png-1.0.9nb1" in all dependences.
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@PREFIX@ in DEINSTALL/INSTALL scripts.
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complete paths to these programs.
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XXX need to teach pkglint to be more picky about this
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if EXTRACT_SUFX is .zip); also remove EXTRACT_CMDs that are the same as
the implicit one.
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While I'm here, unify category Makefiles to more standard style.
(If you have tools depending on the previous form, please fix them.)
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"${LOCALBASE}".
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include:
18.3 minor bug in "avoid_null_move" test used R=2 for the test rather
than testing R=2/3 as the real null-move search uses. the kibitz
for "Hello from Crafty Vx.xx" has been moved so that it works
with the new xboard/winboard 4.2.2 versions. book learning was
badly broken in the previous version and has been fixed/tested.
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patch incorporated into main tree
Version 1.73, 2/11/01
* Added code to handle EOFs from stdin.
Version 1.72, 2/1/01
* Added code to stop searching if a mate is found.
* Changed max_time/max_depth assignments in main.c.
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The main feature is that it fixes the winboard hang problem when crafty plays
black on a chess server. It also has much more aggressive book learning (code
has been significantly changed). A minor bug was fixed in analyze mode that
would break the "h" command when black was on move, and show one less move for
either side that had actually been played in the game. Another fixed bug
reversed the sign of a score whispered in analysis mode.
Pkgsrc changes include fixing the build target on Solaris (untested).
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protocol for talking to chess engines, adding a move list window,
improving the user interface w.r.t dragging pieces, and various bugfixes.
Tim Mann graciously accepted pkgsrc patches to support compiling with Xaw3d
in this release.
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targets. This includes a fix for PR pkg/12125 by Tomasz Luchowski.
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Update to 1.71nb2
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machines such as vax and hp300).
Update version to tscp-1.71nb1
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