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Fix a bug in go depth #807

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Merged
peregrineshahin merged 1 commit into from
Mar 23, 2026
Merged

Fix a bug in go depth #807

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8 changes: 7 additions & 1 deletion src/search.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ use crate::{
movepick::{MovePicker, Stage},
stack::Stack,
thread::{RootMove, Status, ThreadData},
time::Limits,
transposition::{Bound, TtDepth},
types::{
ArrayVec, Color, MAX_PLY, Move, Piece, PieceType, Score, Square, draw, is_decisive, is_loss, is_valid, is_win,
Expand Down Expand Up @@ -77,8 +78,13 @@ pub fn start(td: &mut ThreadData, report: Report, thread_count: usize) {
let mut best_move_changes = 0;
let mut soft_stop_voted = false;

let max_depth = match td.time_manager.limits() {
Limits::Depth(maximum) => maximum,
_ => (MAX_PLY - 1) as i32,
};

// Iterative Deepening
for depth in 1..MAX_PLY as i32 {
for depth in 1..=max_depth {
best_move_changes /= 2;

td.sel_depth = 0;
Expand Down
3 changes: 1 addition & 2 deletions src/time.rs
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Expand Up @@ -69,8 +69,7 @@ impl TimeManager {

pub fn soft_limit(&self, td: &ThreadData, multiplier: impl Fn() -> f32) -> bool {
match self.limits {
Limits::Infinite => false,
Limits::Depth(maximum) => td.completed_depth >= maximum,
Limits::Infinite | Limits::Depth(_) => false,
Limits::Nodes(maximum) => td.shared.nodes.aggregate() >= maximum,
Limits::Time(maximum) => self.start_time.elapsed() >= Duration::from_millis(maximum),
_ => self.start_time.elapsed() >= Duration::from_secs_f32(self.soft_bound.as_secs_f32() * multiplier()),
Expand Down
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