From 1a1f1a6c2be2986c7ca938aea27ff36e726549e9 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin@worthe-it.co.za>
Date: Wed, 10 Jul 2019 20:50:36 +0200
Subject: Marked the position to do pruning

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

diff --git a/src/strategy/minimax.rs b/src/strategy/minimax.rs
index 31e58a0..e620339 100644
--- a/src/strategy/minimax.rs
+++ b/src/strategy/minimax.rs
@@ -124,7 +124,6 @@ impl AddAssign<Score> for ScoreSum {
     }
 }
 
-// TODO: Transform this into more of a minimax with AB pruning approach?
 fn expand_tree(node: &mut Node, state: &GameBoard) -> Score {
     if state.outcome != SimulationOutcome::Continue {
         score(state)
@@ -146,6 +145,10 @@ fn expand_tree(node: &mut Node, state: &GameBoard) -> Score {
         };
         node.children.insert(commands, new_node);
 
+        if node.unexplored.is_empty() {
+            // TODO: Prune dominated moves
+        }
+
         update(node, commands, score);
         score
     } else {
-- 
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