JavaScript Chess

Play in your Firefox browser, no installation necessary, or upload to your server and play with a far-away friend. Games can be saved to a database and/or a simple text file. Includes a simple PHP mysql script for database connection.

Utilizes bitboards (arrays of two 32-bit numbers) and lookup tables for fast move-generation and analysis. Endings include checkmate and resignation; draws are yet to be implemented. The cpu engine is a work in progress, suggestions/contributions are welcome. Can log static-exchange stats and be configured for more.

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devilsradio1 Posted 2017-03-26

nice ai ... easy edit ... but You can't play a friend across the internet like it says in the description.You have to figure that out Yourself.We are not all web developers here lol. Disappointed.
iganshan Posted 2013-07-03

when the white pawn passes through all field and changes on other figure, this figure it is impossible to go. solution: replace in function doLog(fromId, toId, pieceTaken, moveType) this string if (moveType == 'promote') boardPosition[toId] = promoteTo; for this: if (moveType == 'promote'){ boardPosition[toId] = promoteTo; if(promoteTo=='2') boardPosition[toId] = 2; if(promoteTo=='3') boardPosition[toId] = 3; if(promoteTo=='4') boardPosition[toId] = 4; if(promoteTo=='5') boardPosition[toId] = 5; } WBR, Igan