readme file updated

Author: gkcs

DOCS.md

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+# chess-engine
+
+Part 1:
+
+The chess engine can generate all legal moves for a given position upto an arbitrary depth.
+This includes:
+-- pawn promotions
+-- enpassant moves
+-- castling
+
+The moves which are marked illegal are:
+-- x-rays to the king
+-- castling through check
+-- moves of a piece pinned to the king
+-- moving into check
+-- enpassant after one move
+
+The current move generator takes about 2 minutes to go to a depth of 6 ply. 
+
+
+Part 2: (In progress) Game Engine
+
+The game engine will use the move generator to select a move. The first version will be using a min-max tree with optimisations to find the best move.
+
+This includes:
+-- basic hueristic
+-- iterative deepening
+-- alpha-beta pruning
+-- killer heuristic
+-- quiescence search
+-- null heuristic
+-- parallel alpha-beta
+
+Part 3: (Planning phase) Stochastic Chess Engine
+
+The second version of the chess engine will use Monte Carlo Tree Search with basic hueristics. 
+
+I do not hope much from it, since I don't have experience with neural network training and the compute power required to train NNs is usually high (I have a GPU, so not all hope lost).