From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Wed, 24 Oct 2018 21:19:38 +0000 (+0200)
Subject: More IID for drop games
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=69f9165f65f1df4d1de07751f27b38f616b350e6;p=fairystockfish.git

More IID for drop games

STC crazyhouse
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 8079 W: 4045 L: 3829 D: 205
http://35.161.250.236:6543/tests/view/5bd0e26e6e23db7639060c16
---

diff --git a/src/search.cpp b/src/search.cpp
index 4b3f817..6528572 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -838,7 +838,7 @@ namespace {
     }
 
     // Step 11. Internal iterative deepening (~2 Elo)
-    if (    depth >= 8 * ONE_PLY
+    if (    depth >= (8 - 2 * pos.captures_to_hand()) * ONE_PLY
         && !ttMove)
     {
         search<NT>(pos, ss, alpha, beta, depth - 7 * ONE_PLY, cutNode);