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Document why we don't use TT to prune in search_pv()
2009-11-25 Marco CostalbaDocument why we don't use TT to prune in search_pv()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Joona KiiskiRevert last Only move extensions tweaks
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Marco CostalbaSpeed up sorting of non-captures
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Marco CostalbaRewrite messy LSN-code take 2
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Joona KiiskiRewrite messy LSN-code
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Joona KiiskiRemove RootMoveList::scan_for_easy_move()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-25 Joona KiiskiRemove 2 FIXMEs from search.cpp
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaDocument and cleanup new effective-single-reply code
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Joona KiiskiAlways extend full ply in PV
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Joona KiiskiAdd mild extension in low depths
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Joona KiiskiFix currentMove bug
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Joona KiiskiOnly move extension based on exclusion search
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Joona KiiskiBase work for exclusion search
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaTone down a bit futility parameters
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaRemove 4*IncrementalFutilityMargin from futilityValue
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaLogaritmic futility margins
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaExponential futility margins
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaHistory pruning exponential limit
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-23 Marco CostalbaIncremental Futility Margin
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-22 Marco CostalbaIn razor qsearch use corrected beta
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-22 Marco CostalbaCode style triviality
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-15 Marco CostalbaMicro-optimize get_material_info()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-14 Marco CostalbaConvert pawns evaluation to Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-14 Marco CostalbaMove game phase computation to MaterialInfo
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-14 Marco CostalbaNull move dynamic reduction based on value
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-13 Marco CostalbaUse a more standard perft UCI interface
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-13 Marco CostalbaBetter document king safety evaluation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-13 Marco CostalbaRearrange table layout in evaluate.cpp
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-13 Marco CostalbaRemove dcCandidates data member from SplitPoint
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-11 Marco CostalbaRemove update_checkers()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-11 Marco CostalbaRetire evaluate_mobility()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-11 Marco CostalbaSmall sort_moves() deobfuscation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-11 Marco CostalbaDon't futility-prune ttMove
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-10 Marco CostalbaPropagate "move is check" info to do_move()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-10 Marco CostalbaSmall update_checkers() cleanup
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-10 Marco CostalbaSmall update to pop_1st_bit()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaSmall CheckInfo fallout
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaFully convert move_is_check() internally
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaConvert move_is_check() to take a CheckInfo reference
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaUse CheckInfo to compute dcCandidates
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaIntroduce CheckInfo struct
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaFix operator/(Score s, int i)
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaDon't copy the key in do_move
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-09 Marco CostalbaDefine Score as an enum
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaChange Score definition to avoid the union
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaRevert "Do not extend at low depths if not in PV"
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaRevert "IID in pv also when TT move depth is too small"
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaLast conversions to Score in evaluate.cpp
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert ThreatBonus to Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert RookOn7thBonus and QueenOn7thBonus to be Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert mobility bonus tables to Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert apply_weight() to handle Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert MaterialInfo and PawnInfo to use Score
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaIntroduce PieceSquareTable[16][64]
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaConvert Position to use Score struct
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaIntroduce Score struct
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-07 Marco CostalbaFix correct name of int64_t type
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaDo not extend at low depths if not in PV
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaIID in pv also when TT move depth is too small
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaBetter big-endian support wording in Makefile
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaEnable POPCNT only through Makefile
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Joona KiiskiAdd popcnt-support in Makefile
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaSmall code-style touches in movegen.cpp
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaFix a small warning under icc
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaBig-endian compatible pop_1st_bit()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-06 Marco CostalbaFix a compile error in debug mode
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaEnable PH_TT_MOVES during evasion generation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaExtend move_is_legal() to work also when in check
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaMove locals definitions at the function start
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaRetire MovePicker::discovered_check_candidates()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaRewrite generate_pawn_moves() and simplify evasions
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-05 Marco CostalbaGenerate pseudo-legal moves in generate_evasions()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-04 Marco CostalbaOptimize generate_evasions()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-04 Marco CostalbaSpeed up perft
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-04 Marco CostalbaRemove SEE optimizations
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Marco CostalbaReorder evasions
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Marco CostalbaAnother see() shortcut
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Marco CostalbaShortcut see_sign() when SEE is known negative
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Marco CostalbaRemove castling moves in check generation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Marco CostalbaOptimize check generation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-11-01 Joona KiiskiImplemented perft
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-31 Marco CostalbaEvaluation threat values after 39089 games
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-25 Marco CostalbaFix build under gcc
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-25 Marco CostalbaAdd threat evaluation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-23 Marco CostalbaMicro optimize mobility calculation
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-22 Marco CostalbaUnify capture and promotion tests
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-22 Marco CostalbaDon't prune TT move in qsearch even if SEE < 0
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-22 Marco CostalbaPick best moves one per cycle instead of sorting
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-19 Marco CostalbaAvoid a needless locking in sp_search()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-18 Joona KiiskiSimilarize pruning code in search() and sp_search()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-17 Marco CostalbaUse an homegrown insertion sort instead of std::sort()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-15 Marco CostalbaDo not prune the move if we are still under mate
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-12 Marco CostalbaFix a crash when reaching PLY_MAX in a check position
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-12 Marco CostalbaAdd a new rule on promoting pawns in evaluate_passed_pawns()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-12 Marco CostalbaFix x-ray attack from behind in evaluate_passed_pawns()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-12 Marco CostalbaSmall cleanup and in evaluate_passed_pawns()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-12 Marco CostalbaRevert "Use std::stable_sort() instead of std::sort()"
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-10 Marco CostalbaUse std::stable_sort() instead of std::sort()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-10 Marco CostalbaUnroll color loops in evaluate_passed_pawns()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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2009-10-10 Marco CostalbaUse piece_list to scan the pawns in evaluate_pawns()
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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