RFP (#89)

Aryan1508 · web-flow · commit f345973573eb · 2021-07-02T21:39:42.000+05:30
```
ELO   | 24.75 +- 10.96 (95%)
SPRT  | 10.0+0.10s Threads=1 Hash=16MB
LLR   | 2.97 (-2.94, 2.94) [0.00, 5.00]
GAMES | N: 2208 W: 708 L: 551 D: 949
```
Bench: 9488717
diff --git a/Bit-Genie/src/search.cpp b/Bit-Genie/src/search.cpp
@@ -164,6 +164,11 @@ namespace
                }
         }
 
+        int eval = eval_position(position);
+
+        if (!at_root && depth < 6 && (eval - depth * 256) >= beta)
+            return eval;
+
         if (!pv_node && !in_check && depth >= 4 && !at_root && do_null && position.should_do_null())
         {
             int R = std::max(4, 3 + depth / 5);
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 = "7.16";
+const char *version = "7.17";
 
 namespace
 {

Original file line number	Diff line number	Diff line change
`@@ -164,6 +164,11 @@ namespace`
`164`	`164`	`}`
`165`	`165`	`}`
`166`	`166`
	`167`	`+ int eval = eval_position(position);`
	`168`	`+`
	`169`	`+ if (!at_root && depth < 6 && (eval - depth * 256) >= beta)`
	`170`	`+ return eval;`
	`171`	`+`
`167`	`172`	`if (!pv_node && !in_check && depth >= 4 && !at_root && do_null && position.should_do_null())`
`168`	`173`	`{`
`169`	`174`	`int R = std::max(4, 3 + depth / 5);`
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 = "7.16";`
	`29`	`+const char *version = "7.17";`
`30`	`30`
`31`	`31`	`namespace`
`32`	`32`	`{`