diff options
| -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 ed533df..65851cf 100644 --- a/src/board/engine.rs +++ b/src/board/engine.rs @@ -153,7 +153,7 @@ impl Board { } /// Returns the weighted sum of distances from attacking pieces to a king - /// The higher this value, the more likely the king is to be in danger + /// The higher this value, the safer is the king pub fn king_tropism(&self, color: Color) -> f32 { let mut result = 0.0; @@ -169,7 +169,7 @@ impl Board { (king_square.rank() as f32 - square.rank() as f32).abs() + (king_square.file() as f32 - square.file() as f32).abs(); - result += distance * PieceType::from(piece_type).static_eval(); + result += distance / PieceType::from(piece_type).static_eval(); } } } @@ -195,7 +195,7 @@ impl Board { let king_tropism_penalty = self.king_tropism(color) - self.king_tropism(opponent_color); - material_advantage + 0.1 * mobility_advantage - 0.5 * pawn_structure_penalty - king_tropism_penalty * opponent_material / 3000.0 + material_advantage + 0.1 * mobility_advantage - 0.5 * pawn_structure_penalty + king_tropism_penalty * opponent_material / 100.0 } /// Evaluate move for move ordering, prioritizing efficient captures |