DGT: Move display on DGT clock time was too short in some cases.Variation board: Mouse wheel now always goes through moves, shift+mouse wheel scrolls list.Variation board: Engine's refutation moves now correctly marked in list.Rare castling bug in Chess 960 removed: If a rook is captured and then replaced by the other rook, it was falsely allowed to castle.Scroll Mainlines horizontally with Shift+Ctrl+Mousewheel.Linux/Mac: Wine support improved: Redrawing is now clean.Tournament dialogue: Set filenames button takes path of.Arena restarts in tournaments now always after at 20 games or less.Tournament with ponder on: Possible truncated principal variations and invalid moveerror messages in log removed.Tournament with ponder on: Arena book moves during pondering no longer lead to game abort.Tournament with ponder on does no longer halt if engine is resigning.Dual monitor support improved: Maximizing to secondary monitor now works.

Issues with large fonts or large caption bars fixed (Engine Management, Search).This is mainly a bugfix release. Most important changes compared to last public version 3.5.1: etc.Īrena 3.5.1 ZIP (17 MB): Arena 3.5.1 with engines SOS 5.1, AnMon 5.75, Hermann 2.8, Ruffian 1.05, Rybka 2.3.2a free, Spike 1.4, book Perfect_2010 by Sedat Canbas, mini book Titus 2.4 (by Kevin Frayer), mini book Olympiad, PGN database from Olivier DEVILLE, EloStat 1.3, Gaviota 3-men tablebases, Speedtest 1.0.2, flags, fonts, graphics, help files, without setup program.Īrena 3.5.1 setup (16 MB): Arena 3.5.1 setup includes everything from the ZIP plus engines Nejmet 3.07 and Dragon 4.6 plus move announcements. Arena can display the opening name, can use opening books, Chess960, analysis board, etc.Support of the Novag Citrine Chess computer to play with real pieces (Windows).

Support of the DGT Chessboard for the game with real pieces: Connect the electronic DGT Chessboard to your computer and play a real competetive game against an engine.

Replay, search and filter game databases ( PGN).

Arena supports Gaviota tablebases for endgame analysis.

Unique tournament features: Find out, how the chess engines compete against each other.

Detailed information: The analysis lines tell everything about the thinking process of the chess engines.

For an easy start, some engines are bundled with Arena setup or zip file and are installed automatically.

Strengths vary from very strong to weak, some have adjustable strength.

Nearly all Winboard and UCI chess engines run under Arena.

Arena supports the protocols UCI and Winboard for the communication between GUI and Engine.

Adjust Arena according to your personal preferences.

Arena has an easy-to-use and configurable interface.

Use Arena for playing games against chess engines, analyzing games or positions, and testing chess engines.

The Arena project is kindly supported by:

★ New: Arena 3.10beta for Linux (Fix for Debian) Furthermore, Arena supports Chess960, DGT electronic chess boards & DGT clocks and much more. Arena is compatible to UCI and Winboard protocols. Arena helps you in analyzing and playing games as well as in testing chess engines. Arena is a free Graphical User Interface (GUI) for chess.

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