Enable true 3 fold detection in search
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@ -524,7 +524,7 @@ namespace {
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if (!RootNode)
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{
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// Step 2. Check for aborted search and immediate draw
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if (Signals.stop || pos.is_draw<false,true>() || ss->ply > MAX_PLY)
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if (Signals.stop || (PvNode?pos.is_draw<false,false>():pos.is_draw<false,true>()) || ss->ply > MAX_PLY)
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return DrawValue[pos.side_to_move()];
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// Step 3. Mate distance pruning. Even if we mate at the next move our score
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