![]() From the standpoint of preventing bugs, you are much better off writing color-independent code instead. Much of the code is written twice, once for Black pieces and once for White pieces. Faile has a single-entry per bucket hash table (depth-preferred) you probably will want to replace it with a 4-entry bucket with one entry depth-preferred and the 3 others as always-overwrite In November 2008, Marco Costalba forked the Glaurung 2.1 code and introduced Stockfish 1.0. History The Stockfish project started with the open source Glaurung engine, authored by Tord Romstad. It is now being developed and maintained by the Stockfish community. Faile has a lot of small values that need to get increased: hash size, max depth, etc The Stockfish engine was developed by Tord Romstad, Marco Costalba, and Joona Kiiski. Faile code is optimized for 32-bit only Faile code assumes existence of WIN32 else it assumes Linux, but that won't work for Windows 64-bit builds ![]() Faile uses a 3-stage eval: opening, midgame, endgame with abrupt changes most modern engines use opening and endgame values and scale towards endgame values as material gets traded Faile keeps 3 killer moves per ply instead of 2, probably necessary because capture moves are wrongly stored Faile uses Negamax instead of PVS search Faile has a lot of global variables that can be made static or local I just took a very fast look at the code. Ron Murawski Posts: 352 Joined:, 21:50 Location: Schenectady, NY, USAįaile can be a good starting point. The code is a bit long-winded and not very optimized, but the intent is clarity rather than cleverness. You can find the links at my programmer's pageĮmilio Diaz extended the code from FirstChess (by Pham Hong Nguyen) into an engine that plays a legal game of chess, so maybe you want to look at SecondChess I haven't updated the list in quite a few years. My list is not intended to be comprehensive. Some of these engines are simple and some are interesting for other reasons. My own list of interesting C/C++ engines is this: So Dann was referring to Olithink in Java and you are referring to Faile which is written in C. Dann's list was a comprehensive list of engines written In Java, which is what the OP was looking for.
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