From 1de24b83d4c14e8221ad75cb64e8b1230238c36a Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Mon, 30 Jan 2023 18:00:19 +0300
Subject: feat: slightly alter evaluation coefficients

---
 src/board/engine.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/board/engine.rs b/src/board/engine.rs
index a87e8b0..73ddf3c 100644
--- a/src/board/engine.rs
+++ b/src/board/engine.rs
@@ -197,7 +197,10 @@ impl Board {
 
         let king_tropism_penalty = self.king_tropism(color) - self.king_tropism(opponent_color);
 
-        material_advantage + 0.1 * mobility_advantage - 0.4 * pawn_structure_penalty + king_tropism_penalty * opponent_material / 150.0
+        material_advantage
+            + 0.1 * mobility_advantage
+            - 0.3 * pawn_structure_penalty
+            + king_tropism_penalty * (opponent_material / 40.0) * 0.07
     }
 
     /// Evaluate move for move ordering, prioritizing efficient captures
-- 
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