X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fhashprobe.proto;h=393553e94b46043ca75af59db3c550b82aa8ed79;hb=3b22627a134c8f0d8c4ac882a1a89562d47a0e01;hp=5df9b9c52945f971bdc1fd2ce53c5cfc683966d0;hpb=d963529dcaa3ba80267aaca8b769a3081d2c5da9;p=stockfish

diff --git a/src/hashprobe.proto b/src/hashprobe.proto
index 5df9b9c5..393553e9 100644
--- a/src/hashprobe.proto
+++ b/src/hashprobe.proto
@@ -1,15 +1,21 @@
 syntax = "proto3";
-
 message HashProbeRequest {
 	string fen = 1;
 }
 message HashProbeResponse {
 	bool found = 1;
-	int32 move = 2;
-	int32 value = 3;
-	int32 eval = 4;
+	int32 move = 2;  // See types.h
+	int32 value = 3;  // Dynamic eval (may be inexact, see the "bound" field)
+	int32 eval = 4;  // Static eval
 	int32 depth = 5;
-	int32 bound = 6;
+
+	enum ValueBound {
+		BOUND_NONE = 0;
+		BOUND_UPPER = 1;
+		BOUND_LOWER = 2;
+		BOUND_EXACT = 3;
+	};
+	ValueBound bound = 6;
 }
 
 service HashProbe {