Texel engine

Texel:-



Changes meant to improve playing strength:
- Multi-threaded (SMP) search.
- Remove moves before the last zeroing move from the repetition history list before starting search.
- Removed bogus transposition table store in Search::iterativeDeepening().
- Disable aspiration window logic when searching for a faster mate.
- Added null move verification search.
- Prefetch entries from the main transposition table.
- Bonus for candidate passed pawns.
- Skip move ordering after enough moves to trigger LMP have been searched.
- Implemented pawn storm bonus for opposite castling positions.
- Removed the Botvinnik-Markoff extension.
- More aggressive LMR.
- Added knowledge for KBpKB, KNpKB, KBpKN and KNpK endgames.
- Store endgame flag in material hash table.
- Optimized lots of evaluation function parameters.
- More consistent evaluation of different classes of pawnless endgames. KQK, KRK, KQKM, KBBK, KBNK, KQKR, KQKMM, KMMKM (M = B or N).

Other changes:
- MultiPV-support.
- Mate distance pruning.
- Evaluation correction for 7 knights vs 3 queens.
- Display engine evaluation using "info string" when starting search in analysis mode.
- Changed internal parameter handling to make it easier to switch between UCI parameters and compile-time constants.

http://dl.dropboxusercontent.com/u/89684995/texel103.7z

Note : Please download as soon as possible because i don't keep any back up of the things i upload and once the link is dead then i am helpless too.
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