Comment about re-evaluating positions

While the smallNet bool is no longer used as of now,
setting it to false upon re-evaluation represents the
correct eval state.

closes https://github.com/official-stockfish/Stockfish/pull/5279

No functional change

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index ca09aaf9e82395ddac2f26e49bc7ade374a71fe4..4c449774838f4f6f6565a3830ba0dfa4723087ab 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -66,6 +66,7 @@ Value Eval::evaluate(const Eval::NNUE::Networks&    networks,
     Value nnue = smallNet ? networks.small.evaluate(pos, &caches.small, true, &nnueComplexity)
                           : networks.big.evaluate(pos, &caches.big, true, &nnueComplexity);
 
+    // Re-evaluate the position when higher eval accuracy is worth the time spent
     if (smallNet && nnue * simpleEval < 0)
     {
         nnue     = networks.big.evaluate(pos, &caches.big, true, &nnueComplexity);