Arena uses less CPU time in demo and tournament mode.Table based draw adjudication in tournaments.Early draw adjudication (if value = zero) in tournaments.Pieces from True Type fonts can now also use Unicode fonts.Analysis lines additional option: Short form for boxes (e.g.Analysis lines additional option: Compact variation display (show line only if first move changed).Displaying engine time for the pvs now (was generated by Arena before).Analysis lines additional option: Show # of cores.Analysis lines additional option: kNodes in mainlines.Added horizontal scroll buttons for mainlines.Tablebases piece letters localised, Gaviota TB information added.Default graphics scheme is now BirchTauri.Engines can be paused, if you have temporarily other things to do with your PC.Engines can be locked to position, you can go to the lock position.UCI Filter can be switched off for analysis.Switching engine from UCI to Winboard if it is apparent (if engine sends 'error: uci', we go Winboard).Arena reads short comments (! ? etc) from PGNs, also in PGN book import.Arena now remembers column width of PGN and EPD lists.PGN and EPD lists can be always on top (click on the icon in the top left corner to see the system menu of the window).'Filter games with some fields did not work'- bug removed.You can now filter games with date ranges.Filter Game Data: Progress bar updated during filtering.'PGN->New' command handled correctly: 'Select new PGN file'-dialogue, then you can paste PGNs from Clipboard into empty file.Most important changes compared to last public version 3.0: Graphics, help files, without setup program.Īrena 3.5 setup (16 MB): Arena 3.5 setup includes everything from the ZIP plus engines Nejmet 3.07 and Dragon 4.6 plus move announcements. Furthermore, compatible to Chess960, DGT electronic chess board & DGT clock XP, Novag Citrine, Autoplayer, ICS (chess servers) and much more.Īrena 3.5 ZIP (17 MB): Arena 3.5 with engines SOS 5.1, AnMon 5.75, Hermann 2.8, Ruffian 1.05, Rybka 2.3.2a free, Spike 1.4,īook Perfect_2010 by Sedat Canbas, mini book Titus 2.4 (by Kevinįrayer), mini book Olympiad, PGN database from Olivier DEVILLE,ĮloStat 1.3, Gaviota 3-men tablebases, Speedtest 1.0.2, flags, fonts, Arena is compatible to Winboard protocol I, II and UCI protocol I, II. It runs on Windows XP or higher or on Linux with Wine 1.0 Īrena assists you in analyzing and playing games as well as in testingĬhess engines. Arena is a free Graphical User Interface (GUI) for chess.

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