Print progress before recursion rather than after

1 files changed, 2 insertions, 3 deletions

diff --git a/include/negamax.c b/include/negamax.c
index cfe2643..3db5867 100644
--- a/include/negamax.c
+++ b/include/negamax.c
@@ -59,7 +59,7 @@ negamax(const uint8_t cur_depth, float alpha, float beta,
 	uint64_t hash = zobrist_compute();
 	tt_entry_t *entry = tt_seek(hash);
 
-	// CAUTION: >= breaks search stability
+	// CAUTION: ≥ breaks search stability (vs =) on shallow depths
 	if (entry != NULL && entry->depth >= cur_depth) {
 		if (entry->flag == TT_EXACT) {
 			return entry->value;
@@ -84,6 +84,7 @@ negamax(const uint8_t cur_depth, float alpha, float beta,
 	float best_value = -infty;
 
 	for (action_node_t *node=list->head; node!=NULL; node=node->next) {
+		negamax_display_progress(cur_depth, list->length);
 
 		action_take(node->action);
 
@@ -105,8 +106,6 @@ negamax(const uint8_t cur_depth, float alpha, float beta,
 		}
 		action_undo(node->action);
 
-		negamax_display_progress(cur_depth, list->length);
-
 		if (node_value > best_value) {
 			best_value = node_value;
 			best_action = node->action;