Changes in the latest GNUBg builds

Changes 2003, January - June

Fri Jun 27, 2003

fix results after interupted rollouts (rollout.c)
use clist widget for double, take, etc. points (gtktheory.c)
fix bug in variance reduction when rolling out as initial position (rollout.c)
use gtk_text for showing gammon values (allows copy & paste) (gtktheory.c)

Wed Jun 25, 2003

implement luck adjusted results (analysis.c, gtkgame.c, html.c, matchequity.c)

Mon Jun 24, 2003

use deprecated gtk_spin_button_get_value_as_float, for gtk1.2 compatibility (gtkgame.c)

Mon Jun 23, 2003

allow terminating rollouts early if all the standard errors are below a user set fraction of the value (gnubg.c set.c gtkgame.c show.c rollout.c eval.h, backgammon.h)

Sun Jun 22, 2003

fix incorrect indexing into inputs vector (eval.c)
fix for crashed positions (eval.c)

Sat Jun 14, 2003

small rewrite of one sided rollout to handle chequers on the bar (osr.c)

new commands to allow modification of cube efficiency (values are *NOT* saved with "save settings") (gnubg.c, eval.c)

Fri Jun 13, 2003

fix bearoff-database targets to invoke makebearoff with an output file name, delete attempt to make target gnubg.bd (makefile.[ia])

Thu Jun 12, 2003

evaluate top move and actual move on the highest ply if their difference in equity exceeds the given threshold (eval.c)

fix bug leading to duplicate moves in the movelist (eval.c)

Tue Jun 10, 2003 - Release of Version 0.14

new weights (version 0.14)

Mon Jun 9, 2003

allow modifications of the match length during edit (gtkboard.c)

Sun Jun 8, 2003

change how cubeful equities are calculated for money play to match match play (eval.c)

new cube temperature map (show.c, gtkgame.c, gtktempmap.c, gtkcube.c)

fix bug: gnubg crashes when saving or analysing a match where the manual dice dialog was cancelled on the first move of the match (play.c)

fix bug: analysis on 0-ply does not stop when interrupted: return -1 if interrupted (analyse.c)

Sat Jun 7, 2003

ensure nReductionGroup is reset to zero (eval.c)

Fri Jun 6, 2003

fix small bug in index calculation (gtktempmap.c)

dump values for invalid match IDs (play.c)

no crawford game for money play (matchid.c)

change the way anTotalMoves is calculated (analysis.c)

modify formulas for snowie error rate (html.c, gtkgame.c, analysis.c)

Mon Jun 02, 2003

fix compilation with -DGARY_CACHE (eval.c)

remove gtk_aspect_frame for now (gtktempmap.c)

show best move in tool tip (gtktempmap.c)

dynamic resizing of dice (gtktempmap.c)

bug fix: after a resize artefacts of the old dice remained (gtktempmap.c)

Sun Jun 01, 2003

several improvements to temp. maps (gtktempmap.c)
replace "default" move filter with "normal" movefilter (eval.c)

Sat May 31, 2003

add ply-buttons to theory widget

Fri May 30, 2003

improvements of temperature map (gtktempmap.c, gtkchequer.c)
fix bug #3806 (gtkboard.c, gtkchequer.c)

Thu May 29, 2003

Implement Sho Sengoku Equity Temperature Map (gnubg.c, gtkboard.c, gtkgame.c, gtktempmap.c, show.c)

new file (gtktempmap.c)
show temperaturemap

bug fixes + resignations (external.c)

let negative values of "doubled" represent resignations (drawboard.c)

add fflush (gnubg.c)

new toolbar button for changing direction of play (gtkboard.c)

Move position calculating routines to new file (boardpos.c)

Wed May 28, 2003

change WWW address to report page (gtkgame.c)

Tue May 27, 2003

clicking on dice roll area in edit mode also sets who's on turn (gtkboard.c)

Sat May 24, 2003

add autoconf stuff for LibArt (configure.in, Makefile.am, m4/Makefile.am)

changed some #ifdef to #if to follow config.h better (dice.c, gnubg.c, gtkprefs.c, i18n.h, makehyper.c, makeweights.c, matchequity.c, play.c, set.c, show.c, sound.c, sound.h)

Fri May 23, 2003

fix for paths with spaces (gnubg.c)
draw arrow to indicate direction of play and who is on turn (needs LibArt):
- anti-aliased vector graphic in colour of player on turn
- on board frame between the two unused bearoff-points
new dependency introduced: LibArt

Thu May 22, 2003

#include added (gtkgame.c)
minor cosmetics for Windows (openurl.c)

Wed May 21, 2003

swap sides for turn=0 (external.c)

try to eliminate noise in resignations (play.c)

new functions ShowManualWeb, ReportBug (gtkgame.c)

new file: URL support for windows and *nix (openurl.c)

strsep is not ANSI. Use new NextTokenGeneral (import.c)

new almost, but not quite general tokeniser (gnubg.c)

Mon May 19, 2003

bugfix: missing update of nMaxPly (eval.c)

bugfix: fix logic for evaluating actual move on nMaxPly (eval.c)

force evaluation for accept=1 and cMoves=1 (eval.c)

use strsep instead of strtok to allow blank fields (import.c)

use FormatMovePlain to avoid translation of "off" to, say, "af" (gtkboard.c)

Sun May 18, 2003

fix bug analysing 0-ply in stead of x-ply after edit position (add fflush in output, gnubg.c)

Fri May 16, 2003

fix problems with _af_ulaw2linear in Redhat 9
- autoconf magic for audiofile (configure.in, m4/audiofile.m4)
- define _af_ulaw2linear if the user doesn't have audiofile (sound.c)

Thu May 15, 2003

fix bug in reported EPC (bearoff.c)
fix typo (matchid.c)

Mon May 12, 2003

show progress analysing move (analysis.c)
display effective pip count where available (show.c, bearoff.c, gtkrace.c)
calculate average rolls to bear off (osr.c)

Sun May 4, 2003

always analyse MOVE_DOUBLEs as they are shared with the subsequent MOVE_TAKEs or MOVE_DROPs (analysis.c)

handle bug in mat files produced by GamesGrid: some forced moves are not written with a move (import.c)

fMove must be inverted to calculate rScore (gnubg.c)

Sat May 3, 2003

fix bug: -1 is used as terminator, not 0 (drawboard.c)

fix problem with MWC being shown in money game (gtkcube.c, html.c, text.c)

Fri May 2, 2003

fix bugs (export.c)

Thu May 1, 2003

more corrections to export of JellyFish positions. (export.c)

Fri Apr 25, 2003

new command "load position ..." (gnubg.c, sgf.c, gtkgame.c)

Mon Apr 14, 2003

changes to the JellyFish position export code (export.c)

Sun Apr 13 , 2003

add and rephrase some menu entries in order to avoid confusion between snowie .txt and snowie standard text (gtkgame.c)

restore incremental eval of NN by keeping a separate state for each net (eval.c)

Sat Apr 12, 2003

keep track of the max ply used (eval.c)

fix CommandSetBoard resets ms.fResigned (play.c)

allow only one move to be selected with the Show button is active (gtkchequer.c)

handle illegal moves in .mat files produced by Snowie (import.c)

fix: allow pick'n'pass moves that end in bearoff (gtkboard.c)

autogen.sh now touches sounds/Makefile.in

QnD fix fTop *must* be a part of EvalKey... unfortunately we're out of bits...(eval.c)

Wed Apr 9, 2003

bug fix: line with "Guestimated abs. rating" wasn't displayed anymore (gtkgame.c)

Tue Apr 8, 2003

adjust threshold for the ratings "Supernatural", "world class", etc.

add experimental code for export of Jellyfish .pos, and improve the import of Jellyfish .pos.

it's now possible to import .pos without opening a match first.

Mon Apr 7, 2003

add some information about the distribution of the positions (makehyper.c)

free all bearoff databases, neural nets, and evaluation cache (eval.c)

add missing call to FixMatchState (sgf.c)

Sat Apr 5, 2003

fix bug (gtkboard.c )

play sound when analysis is finished.

option to skip analysis of one of the players.

option to goto first game when loading matches or sessions.

no auto-bearoff for hypergammon positions with contact (play.c)

Fri Apr 4, 2003

fix number of chequers off for hypergammon (drawboard.c, gtkboard.c).

bug fix: handle resignations correctly (play.c)

fix bug: dice were printed wrong side when fClockwise=1 (html.c)

sanityCheck only works for standard backgammon (rollout.c)

do not strip white space (import.c)

Thu Apr 3, 2003

new file (makehyper.c)

hypergammon variation (requires hypergammon db'x)

move dice manipulation options to the dice page(gtkgame)

use money game cube efficiency for match play for bearoffs (eval.c)

reverse the order in which pip counts are reported (html.c)

Wed Apr 2, 2003

fix bug in calculating cubeful equity when doing exact bearoff truncation for money game rollouts.

Tue Apr 1, 2003

init dice manip menus (gtkgame.c)

Mon Mar 31, 2003

restore "export position gammonline ...", write new "export position gol2clipboard" (copy HTML to clipboard)

bring dialog to the front (only GTK+ 2.0)

MoveListEvalSettings and MoveListRolloutSettings gtkchequer.c
CubeAnalysisEvalSettings and CubeAnlysisRolloutSettings (gtkcube.c)

Sun Mar 30, 2003

fix typos export HTML
add export to snowie .txt
add bgvariation bgv to cubeinfo (preparing for hypergammon)
understand better two-word SGG options as "Doubling Cube: Yes" (import.c)

Sat Mar 29, 2003

new command "set path snowietxt ..."

new function to return money equity as opposed to cubeless equity (regarding cubeless equities for Jacoby rule and money games with centered cubes)

enhance dice manipulation

GammOnLine export directly to clipboard.

pacify fuzzy compiler

Fri Mar 28, 2003

new rng: read dice from file

Thu Mar 27, 2003

add some tooltips (gtkgame.c)
only pop game if a game is in progress (play.c)
import beavers correctly (import.c TMG)
set path to TMG files (gnubg.c TMG)

Sun Mar 23, 2003

Fix bug from 14/03 (TextToClipboard) (gnubg.c)

Fri Mar 21, 2003

Initialise new members in matchstate struct (otherwise "make check" fails) (gnubg.c)

Thu Mar 20, 2003

Improve support for Jacoby and cube use (gnubg.c, sgf.c, import.c, gtkgame.c, gtkboard.c, set.c, show.c,
postscript.c, latex.c, html.c)
- TMG: support for Jacoby rule, cube use, and Nackgammon (import.c)
- SGG: support for Jacoby rule and cube use (import.c)

(configure.in) Add --enable-train-menu option, so the GTK+ train menu can be turned on at configure time.

Wed Mar 19, 2003

special initialisation for TMG and SGG paths (gnubg.c)
[!WIN32] Prototype GTKWinCopy() (gtkgame.h)

Fri Mar 14, 2003

bugfix in outputv() and outputerrv() (gnubg.c:)
clean up in the WinCopy/TextToClipboard functions (gnubg.c, gtkgame.c)

Thu Mar 13, 2003

Better support for variations in SGF, SGG, and TMG.

rename bgv to bgvDefault (eval.c, gtkgame.c, show.c, set.c, gnubg.c)
new parameter bgv. Change all callers (play.c)
better support for variations in SGF (sgf.c)
better support for variations during play (play.c)
better support for variations during import of SGG and TMG (import.c)

update statistics before writing player records (record.c)

Mon Mar 10, 2003

close file the right place (gtkgame.c)

Sun Mar 9, 2003

disable "[next|prev] rolled" when no game is in progress (gtkgame.c)

import Snowie .txt (gnubg.c, import.c, gtkgame.c)

Sat Mar 8, 2003

clarify output (text.c, gtkcube.c, html.c)

write "cubeful" for cube decisions (text.c)

use new function TextToClipboard (gtkcube.c)

fix .mat import to handle resignations by player on roll after she rolled (import.c)

define Convert as strdup if libiconv is not available (gnubg.c)

fix problem with wrong alerts in export of positions (text.c, html.c)

Wed Mar 4, 2003

add Navigation next/previous chequer play, linked to alt page down/up (gtkgame.c)

save the options for players-are-same, cube-equal-chequer and truncation-equal-player0 in rollout settings (gtkgame.c, backgammon.h, set.c, gnubg.c)

Tue Mar 3, 2003

fix EvalWidget to display the actual reduction values (gtkgame.c)

rename fNackgammon into a enum bgvariation (preparing for interesting bg variations :-))
- new commands "set variation xxx" and "show variation" (gnubg.c, show.c, set.c)

update some colors and CSS styles (html.c)

conditionals to allow a build after configure --without-gtk --without-gtk2 --without-x (renderprefs.c, gnubg.c)

Sun Mar 2, 2003

new function: TextToClipboard. Copies a given string to the clipboard (works for both wintendo and *nix) (gnubg.c, gtkgame.c, html.c)

rename .gnubgpr to .gnubg/gnubgpr (gnubg.c, record.c)

add new board (boards.xml)

force update of board (gtkgame.c)

disable train menu, unless cpp flag ENABLE_TRAIN_MENU is defined. The menu confuses new users, that either want to train their own network or thinks it generates bearoff databases (gtkgame.c)

fix bug that lead to wrong color of table header (html.c)

Tue Feb 25, 2003

fix preventing tutor mode from seeing any double/pass errors (play.c)

Mon Feb 24, 2003

patch to add navigation commands for next/previous unmarked move (gtkgame.c)

Sun Feb 23, 2003

Copy the file directly to the windows clipboard.(html.c)

Fri Feb 21, 2003

patches to show legal destinations when dragging checkers (backgammon.h, gnubg.c gtkboard.c, gtkgame.c, set.c)

Mon Feb 17, 2003

fix so next marked finds errors on last play of game (play.c)

Mon Feb 3, 2003

more fixes for dice positions -- set position independently of size when moving dice off board (gtkboard)

Thu Jan 30, 2003

(InvalidateStoredMoves): new function (gnubg)

invalidate stored moves otherwise the shown hint may be wrong if the player goes back to a previous move and roll new dice (play)

use board from current matchstate instead of current board show for click-bearoff-tray-to-bearoff (gtkboard)

make sure dice positions are calculated even though nSize < 0 (gtkboard)

Wed Jan 29, 2003

resign single in money game with Jacoby rule and centered cube (rollout)

show pseudo-cube on resignations (gtkboard, render)

add new Iberian design (boards.xml)

some magic for wintendo systems (configure.in)

Tue Jan 28, 2003

change the spin button to a GTKHScale, to work around various signal and focus problems (gtkrolls)
tutor checks if the cube is disabled, to avoid warnings for missed doubles when they aren't possible (play)

Mon Jan 27, 2003

click bearoff tray for gready bearoff or for showing forced move (gtkboard)

perform the incremental evaluation decision per-net (eval)

show error rates as negative, and add a hack to compensate a per-move (not per-game) rate (gtkgame)

Sun Jan 26, 2003

return after double-click as the board is changed or the dialog destroyed (gtkchequer)

Sat Jan 25, 2003

fix interpolation formula (analysis)

Show distribution of rolls (only for GTK+ 2.x).

new command "show rolls" (gnubg)
new file (gtkrolls.c)
new function: CommandShowRolls (show)
new menu entry (gtkgame)

new function ExpandMatMove (import)

expand consolidated moves

Fri Jan 24, 2003

do not intl'ise command strings (set)

Thu Jan 23, 2003

don't use g_snprintf if not GTK (sound.)

temporarily disable incremental evaluations (eval)

Wed Jan 22, 2003

use gtk_rc_get_style(), which works slightly better with themes (gtkchequer)

add missing "set export cube display missing" command (gnubc)

Minor nit-picking changes (mainly making functions static unless they need to be extern).

don't use GDK_WINDOW_TYPE_HINT_SPLASHSCREEN (gtksplash)

don't use GDK_WINDOW_TYPE_HINT_UTILITY (gtkgame)

don't use fSound (gtkgame)

Tue Jan 21, 2003

new function. Make restoring window positions optional, for use with window/session managers that can do the job (set)

don't use the deprecated gtk_window_set_wmclass(); call gtk_window_set_role() instead (under GTK+ 2.0) (gtkgame)

use GDK_WINDOW_TYPE_HINT_SPLASHSCREEN under GTK+ 2.0, and add a couple of borders in case the window manager decides not to decorate us (gtksplash)
bug fixes for cubeful equity caching: always perform cubeful key consideration for cube decisions (even if the evalcontext says it's cubeless), and don't take the one's complement for cubeful equities, since that gives -1 in trivial cases (which apparently means something special to lib/hash.c) (eval)

don't try a cache lookup if the cache size is 0 (eval)

Sun Jan 19, 2003

define M_PI, if necessary (renderprefs)

Sat Jan 18, 2003

allow "set appearance" commands when GTK+ is not present.
- (CommandSaveSettings): Save appearance settings when GTK+ is not present (gnubg)
- allow user-defined renderdata (exprot, htmlimages)
- move some of the GUI-specific preferences (gtkgame)

add "extern" to a couple of declarations (analysis.h)

don't calculate specular component when cos_theta < 0 (render)

fix cosmetic bug with more than 3 chequers on bar (render)

Fri Jan 17, 2003

new function: measure evaluation speed, so (in future) we can estimate how long analysis/rollouts/etc. will take. (speed)
- new file: speed.c

return TRUE, to stop GTK event propagation (gtkgame)

edit mode
- allow clicking on dice area to set dice (gtkboard)
- clicking on the label chequer sets the appropriate player on roll (gtkboard)

bug fixes for Crawford rule sensitivity and MWC percentage tooltips (gtkgame).

Thu Jan 16, 2003

new function: allow specifying default match length (set, show)

new function.
- rearrange options into a notebook, so there is room for more verbose descriptions
- add tooltips to all options
- add options controlling sound effects (not yet complete) (gtkgame)

add missing .BKG entry (gtkgame)

Wed Jan 15 - creation of branch 0.13

revert previous patch; JF .mat format shouldn't be internationalised (gnubg)

I18N plural patches (gnubg, set, show)

NEWS, README: Updated in preparation for a 0.13 pre-release.

Mon Jan 13, 2003

honour fOutputWinPC (gtkgame.c (GTKRolloutUpdate))
player names and scores were inverted (show)

Sun Jan 12, 2003

new parameter fCubefulEquity, so that cache entries which set OUTPUT_CUBEFUL_EQUITY will not collide with those which do not (eval)

add missing "if ( ! fShowProgress )" (gnubg)

Sat Jan 11, 2003

quote player name parameter (gtkgame

pacify fussy compiler

fix bug for bearoff truncation of cubeful rollouts (rollout)

Fri Jan 10, 2003

change algorithm for accept=0 (eval.c)

fix bug when comparing to predefined settings (gtkgame)

new command "show fullboard" that also shows the cube, dice etc. (gnubg, show, gtkchequer)

cache cubeful evaluations going through EvaluatePositionCubeful3 (eval)

new function. Import sessions saved by Hans Berliner's BKG.

Fix incorrect accumulating of rollout results for cubeless + bearoff truncation (rollout)

Thu Jan 9, 2003

fix bug with setting of ausProb and ausGammonProb (bearoff)

fix typo (SetRolloutBearoffTruncation)

show board after move

configure now runs smoothly without gtkextra2.

don't use gettext on empty strings (gtkgame)

changes related to i18n (play.c)

Wed Jan 8, 2003

configure: update to newest version.
fix typo (bearoff)
correct position of cube (export PNG)
gtkprefs.c: fix casts to GtkOjbect
use player names instead of color names (export html, postscript)
fix typos

Tue Jan 7, 2003

Fix ply and cubeful test for FindBestMove call (rollout.c)

Mon Jan 6, 2003

new set of predefined move filters

introduce 0 as an acceptable "accept" value.

-1 means disabled move filter.

save move filter settings for rollouts.

New Weights (0.13)
RaceInputs: Remove 2 linearly dependent inputs from race net, and make the 14 "number of checkers off" exact (i.e 1 when exactly that number of checkers is off). The net is exactly the same, but smaller and faster to compute.

Wed Jan 3, 2003

show moves correctly for player 0

don't use szDir if NULL (path.c)

add button to get export settings dialog from the file dialog.

Thu Jan 2, 2003

First iteration of .tmg (TrueMoneyGames) import.
New button "Show" in the chequer play dialog

Wed Jan 1, 2003

boards.xml: a few changes to titles.