From b65d5136786ed826c7046f596922a3aa549eb8d4 Mon Sep 17 00:00:00 2001
From: Calcitem <calcitem@outlook.com>
Date: Sun, 12 Sep 2021 11:59:24 +0800
Subject: [PATCH] depth: Limit black 5th move thinking depth to less than 2

Can fit:

Black:
Bad move: f6
Good move: c5 / b4 / d3 / d2 / e3

 1.     d1    d6
 2.     c4    f4
 3.     g7    d7
 4.     d5    g4
 5.     e4

And also can fit

(Commit ff37bc3310ad42ef490ac0213768f46614eda733)

Black:
Bad move: d5
Good move: f2xd7

 1.     d6    f4
 2.     b4    d2
 3.     b6    f6
 4.     b2xf6    f6
 5.     d7
---
 src/mills.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mills.cpp b/src/mills.cpp
index e3a7acd6..f468acb9 100644
--- a/src/mills.cpp
+++ b/src/mills.cpp
@@ -471,7 +471,7 @@ Depth get_search_depth(const Position *pos)
             const Depth placingDepthTable[25] = {
                   +1,  1,  +1,  1,   /* 0 ~ 3 */
                   +3, 15, +15, 15,   /* 4 ~ 7 */
-                  +15, 14, +0,  0,   /* 8 ~ 11 */
+                  +15, 2, +0,  0,   /* 8 ~ 11 */
                   +0, 0, +0,  0,     /* 12 ~ 15 */
                   +0, 0, +0,  0,     /* 16 ~ 19 */
                   +0, 0, +0,  0,     /* 20 ~ 23 */