Improve LMP formula (#76)

Aryan1508 · web-flow · commit 0b5947009bb3 · 2021-06-28T15:26:06.000+05:30
```
ELO   | 19.87 +- 9.95 (95%)
SPRT  | 10.0+0.1s Threads=1 Hash=16MB
LLR   | 2.95 (-2.94, 2.94) [0.00, 5.00]
Games | N: 2906 W: 983 L: 817 D: 1106
```
Bench: 7280905
diff --git a/Bit-Genie/src/search.cpp b/Bit-Genie/src/search.cpp
@@ -135,7 +135,6 @@ namespace
         bool         at_root   = search.stats.ply == 0;
         bool         tthit     = entry.hash == position.key.data();
         int          move_num  = 0;
-        int          qmove_num = 0;
         int          original  = alpha;
 
         if (!at_root)
@@ -181,12 +180,10 @@ namespace
 
         for (Move move; picker.next(move);)
         {
-            if (picker.stage >= MovePicker::Stage::GiveQuiet && qmove_num > int(picker.gen.movelist.size() / (3 - pv_node) + depth * 2))
+            if (picker.stage >= MovePicker::Stage::GiveQuiet && move_num > depth * depth * 2 + 2)
                 break;
 
             move_num++;
-            if (picker.stage == MovePicker::Stage::GiveQuiet)
-                qmove_num++;
 
             position.apply_move(move, search.stats.ply);
 
diff --git a/Bit-Genie/src/uci.cpp b/Bit-Genie/src/uci.cpp
@@ -26,7 +26,7 @@
 #include "searchinit.h"
 #include "polyglot.h"
 
-const char *version = "6.6";
+const char *version = "6.65";
 
 namespace
 {

Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@`
`26`	`26`	`#include "searchinit.h"`
`27`	`27`	`#include "polyglot.h"`
`28`	`28`
`29`		`-const char *version = "6.6";`
	`29`	`+const char *version = "6.65";`
`30`	`30`
`31`	`31`	`namespace`
`32`	`32`	`{`