Now do some comparisons with sf14_5sec vs sf14_5sec_depth20 and sf14_depth20 vs sf14_5sec_depth20. If sf14_5sec will beat sf14_depth20 in a match of 100 or so games and step 2 is lower than step 1 then sf14_5sec would be a candidate for a good setting. I guess sf14_5sec will win over sf14_depth20, but you have to test this on that hardware. Step 1 and 2 compare the total analysis time while step 3 compares the analysis quality.
It is a matter of analysis quality you want and the total time to finish the analysis. In ending phase reaching depth 20 is very fast as there are less pieces to evaluate while in the opening phase reaching depth 20 could be a challenge and movetimesec of 5 might be consumed first, depends on your hardware. Analysis board Openings Board editor Import game Advanced search. Lichess TV Current games Streamers Broadcasts Video library. Chess basics Practice Coordinates Study Coaches. If analysis time of 5 sec is reached first before depth 20 then the search is also aborted. Puzzles Puzzle Dashboard Puzzle Streak Puzzle Storm Puzzle Racer. In this case, when the engine reaches depth 20 before the time limit of 5 sec, then the search is aborted. engine = _uci(stockfish)ĭef evaluate_game(game, engine, limit=(time=movetimesec, depth=depth)): To use both depth and time you can use the following. To control analysis time use the following example.ĭef evaluate_game(game, engine, limit=(time=movetimesec)): The question is what analysis quality are you up to? To minimize processing time you can adjust the depth or movetime or both. The link refers to stockfish 11 and you are now using stockfish 14, so that article is irrelevant. Info = engine.analyse(board, limit=limit)
#STOCKFISH CHESS ANALYSIS CODE#
How can I change these settings so that they will be recognized by the call from python-chess? The relevant lines of the python code are:Įngine = _uci(stockfish)ĭef evaluate_game(game, engine, limit=(depth=engine_depth)):.What parameters should I set to minimize the processing time?.
#STOCKFISH CHESS ANALYSIS SOFTWARE#
I haven't modified any Stockfish settings since installing. if you have membership on you do not need any software (personal opinion) I dont use ChessBase a lot, u can use opening tree, lichess, or even for detailed analysis. ** **I am using a virtual machine with 32 vCPUs and 64GB RAM but processing is slow (though htop claims it is using 99% of CPU%). It calls Stockfish 14 to analyze each game at depth 20. I am running a python script that analyzes a large batch of PGN games (each of ~5,000 games) across and exports the games evaluations.
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