diff options
Diffstat (limited to 'src/board/engine.rs')
| -rw-r--r-- | src/board/engine.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/board/engine.rs b/src/board/engine.rs index 3977258..2c294a3 100644 --- a/src/board/engine.rs +++ b/src/board/engine.rs @@ -384,7 +384,7 @@ impl Board { let mut depth = 1; let mut alpha = -INFINITY; let mut beta = INFINITY; - let window_size = 0.25; + let window_size = 0.5; let mut gradual_widening_counter = 0; while depth <= max_depth { @@ -411,13 +411,13 @@ impl Board { println!("Alpha cutoff {} <= {:?}", search_result.0, (alpha, beta)); gradual_widening_counter += 1; beta = alpha; - alpha = search_result.0 - window_size * 4.0f32.powi(gradual_widening_counter); + alpha = search_result.0 - window_size * 2.0f32.powi(gradual_widening_counter); continue; } else if search_result.0 >= beta { // Beta-cutoff println!("Beta cutoff {:?} <= {}", (alpha, beta), search_result.0); gradual_widening_counter += 1; alpha = beta; - beta = search_result.0 + window_size * 4.0f32.powi(gradual_widening_counter); + beta = search_result.0 + window_size * 2.0f32.powi(gradual_widening_counter); continue; } else { panic!("Can this ever be possible? (probably not)"); |