Stockfish is a powerful chess analysis app. Play two-player games on the beautiful chess board, or get instant accurate analysis of any game. Stockfish will tell you who's winning and calculate the best move. Features: INTERACTIVE, IMMERSIVE BOARD Stockfish has a gorgeous board that looks fantastic on Retina Displays. It's full of nice touches: when you click or drag a piece, its destination squares are highlighted in yellow, and the best move is shown with a red arrow. Plus, you can go full screen for the most immersive chess experience. TOP-NOTCH CHESS ANALYSIS Analysis is powered by the Stockfish chess engine, the strongest free chess engine in the world.

You're getting top-notch analysis that surpasses the strongest human chess grandmasters. ADVANCED FEATURES Stockfish has many enhancements for advanced users. You can browse through multi-game PGN files, copy and paste FEN strings, utilize Syzygy endgame tablebases, and use MultiPV.

FREE AND OPEN SOURCE Stockfish is completely free, and the source code is available on our website (stockfishchess.org) under the GPLv3 license. Introducing Stockfish 2 for Mac, the biggest update to Stockfish for Mac yet! These are just a few of the features: - UPDATED DESIGN. We've given the app a visual refresh: there's a new color scheme, dramatically improved animations, and a new toolbar. - UPDATED ENGINE.

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The new Stockfish engine is about 45 ELO stronger than Stockfish 5. And there's a 5% speed boost if you're using the latest Haswell processors. Sometimes you want to know the 2nd or 3rd best move in addition to the best move. Enable more lines of analysis in the Engine menu. Now Stockfish will warn you if you're about to overwrite the game history with a new move, and you can always undo. - ENDGAME TABLEBASES.

Requirements for HIARCS chess engine. Mac OS X 10.4 or later. HIARCS is clearly the strongest chess software for Apple Mac computers. This gives Mac owners the strongest chess engine ever and best features for chess play and analysis on both Intel and Power PC (G3/G4/G5).

You can select a folder of Syzygy endgame tablebases for Stockfish to use during analysis. (Tablebases downloaded separately.) - MORE OPTIONS. You can adjust the engine's skill level and contempt, or have Stockfish automatically tweak the settings for strongest play. Many crashes are now fixed as well. We hope you enjoy using Stockfish 2 for Mac. Please help us out and leave a rating on the App Store if you like it.

• 1.0.5 Jun 4, 2014.

Works with Mac OS X 10.6 Snow Leopard, 10.7 Lion, 10.8 Lion, and 10.9 Mavericks. Works on iMacs, MacBook Airs, MacBook Pros, Mac Minis, etc. No need to buy a PC emulator or Windows.

Simple to install, just copy app to applications folder. Play, Learn, Analyze with the top engine Houdini 4. Includes an updated GigaKing Games database, more than 6 million games. Huge Opening Tree to help learn variations.

Store your own games, prepare for opponents. Easy-to-use, suitable for beginners and masters alike. Chess King 4 for Mac is a new and versatile tool for chess players and is an ideal introduction for the beginner, a challenging opponent for the practiced amateur, and an invaluable coach for the aspiring master. Chess King emphasizes simplicity of use in training players. However, it is more than just a traditional training program as it includes an extremely strong chess engine and a huge professional database.

It is also a convenient tool for analyzing and studying one’s opponent before facing them at a tournament. Included: The newly released Houdini 4 (which is a major release with significant improvements over Houdini 3), 6 million game GigaKing Database, Full opening tree, Chess puzzles, over one hundred Quest Games, Photos of over 1600 chess players. Houdini 4 – a chess engine rated well above 3000 Elo is the best choice for analysis. Considering such a strong engine can be frustrating to play against, Chess King 4 with Houdini 4 includes various kinds of handicaps that can be set up using the Chess King interface. The GigaKing database includes games from the 16th century up to Spring 2014. Full opening tree is a statistics database of positions in the GigaKing database and allows lightning fast browsing of opening lines.