sisyphus32

This version has 66 feature flags, 48 of them enabled by default.

default

• syzygy_tablebase (default)

syzygy_tablebase (default)

• opening_book (default)
• unit_syzygy_tablebase (default)

opening_book (default)

• lockless_hashing (default)
• unit_opening_book (default)

unit_syzygy_tablebase (default)

This feature flag does not enable additional features.

lockless_hashing (default)

• lazy_smp (default)
• unit_lockless_hashing (default)

unit_opening_book (default)

• rand (default)
• ureq (default)

lazy_smp (default)

• move_flag_eval (default)
• unit_lazy_smp (default)

unit_lockless_hashing (default)

This feature flag does not enable additional features.

rand (default)

• dep:rand (default)

ureq (default)

• dep:ureq (default)

move_flag_eval (default)

• tapered_eval (default)
• unit_move_flag_eval (default)

unit_lazy_smp (default)

This feature flag does not enable additional features.

tapered_eval (default)

• late_move_reductions (default)
• unit_tapered_eval (default)

unit_move_flag_eval (default)

This feature flag does not enable additional features.

late_move_reductions (default)

• null_move_pruning (default)
• unit_late_move_reductions (default)

unit_tapered_eval (default)

This feature flag does not enable additional features.

null_move_pruning (default)

• tt_two_tier (default)
• unit_null_move_pruning (default)

unit_late_move_reductions (default)

This feature flag does not enable additional features.

tt_two_tier (default)

• eval_tt (default)
• unit_tt_two_tier (default)

unit_null_move_pruning (default)

This feature flag does not enable additional features.

eval_tt (default)

• tt (default)
• unit_eval_tt (default)

unit_tt_two_tier (default)

This feature flag does not enable additional features.

tt (default)

• history_heuristic (default)
• unit_tt (default)

unit_eval_tt (default)

This feature flag does not enable additional features.

history_heuristic (default)

• killer_heuristic (default)
• unit_history_heuristic (default)

unit_tt (default)

This feature flag does not enable additional features.

killer_heuristic (default)

• checks_add_depth (default)
• unit_killer_heuristic (default)

unit_history_heuristic (default)

This feature flag does not enable additional features.

checks_add_depth (default)

• quiescence_en_passant (default)
• unit_checks_add_depth (default)

unit_killer_heuristic (default)

This feature flag does not enable additional features.

quiescence_en_passant (default)

• quiescence (default)
• unit_quiescence_en_passant (default)

unit_checks_add_depth (default)

This feature flag does not enable additional features.

quiescence (default)

• iterative_deepening (default)
• unit_quiescence (default)

unit_quiescence_en_passant (default)

This feature flag does not enable additional features.

iterative_deepening (default)

• sort_moves (default)
• unit_iterative_deepening (default)

unit_quiescence (default)

This feature flag does not enable additional features.

sort_moves (default)

• pst (default)
• unit_sort_moves (default)

unit_iterative_deepening (default)

This feature flag does not enable additional features.

pst (default)

• negamax (default)
• unit_pst (default)

unit_sort_moves (default)

This feature flag does not enable additional features.

negamax (default)

• base_default (default)
• unit_negamax (default)

unit_pst (default)

This feature flag does not enable additional features.

base_default (default)

• base_parallel_array (default)

unit_negamax (default)

This feature flag does not enable additional features.

base_parallel_array (default)

• unit_bb_array (default)
• unit_magic_bbs (default)
• unit_parallel_perft (default)
• unit_revert_clone (default)

unit_bb_array (default)

This feature flag does not enable additional features.

unit_magic_bbs (default)

This feature flag does not enable additional features.

unit_parallel_perft (default)

This feature flag does not enable additional features.

unit_revert_clone (default)

This feature flag does not enable additional features.

base_array

• unit_bb_array (default)
• unit_magic_bbs (default)
• unit_revert_clone (default)

base_basic

• unit_bb
• unit_revert_undo

base_clone

• unit_bb
• unit_magic_bbs (default)
• unit_revert_clone (default)

base_magic_number

• unit_bb
• unit_magic_bbs (default)
• unit_revert_undo

base_parallel

• unit_bb
• unit_magic_bbs (default)
• unit_parallel_perft (default)
• unit_revert_clone (default)

capture_with_check_eval

• tapered_eval (default)
• unit_capture_with_check_eval

minimax

• base_default (default)
• unit_minimax

positional_eval

• tapered_eval (default)
• unit_positional_eval

pseudo_pins

• tapered_eval (default)
• unit_pseudo_pins

random

• base_default (default)

unit_bb

This feature flag does not enable additional features.

unit_capture_with_check_eval

This feature flag does not enable additional features.

unit_minimax

This feature flag does not enable additional features.

unit_positional_eval

This feature flag does not enable additional features.

unit_pseudo_pins

This feature flag does not enable additional features.

unit_revert_undo

This feature flag does not enable additional features.

unit_small_tt

This feature flag does not enable additional features.

wasm

• lockless_hashing (default)