X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fhashprobe.proto;h=dfd16fdcd3dcfbd4bcdc75799449d6cce69c48af;hp=5df9b9c52945f971bdc1fd2ce53c5cfc683966d0;hb=678d7c5c411d6f2f120b7735d292df1d3c66c601;hpb=5d7ad47c198c54e7a91876a6d8d8488a0c23a1ba

diff --git a/src/hashprobe.proto b/src/hashprobe.proto
index 5df9b9c5..dfd16fdc 100644
--- a/src/hashprobe.proto
+++ b/src/hashprobe.proto
@@ -1,15 +1,44 @@
 syntax = "proto3";
+package hashprobe;
 
 message HashProbeRequest {
 	string fen = 1;
 }
 message HashProbeResponse {
-	bool found = 1;
-	int32 move = 2;
-	int32 value = 3;
-	int32 eval = 4;
-	int32 depth = 5;
-	int32 bound = 6;
+	HashProbeLine root = 2;
+	repeated HashProbeLine line = 1;
+}
+message HashProbeLine {
+	HashProbeMove move = 1;
+	bool found = 2;
+
+	repeated HashProbeMove pv = 3;
+	HashProbeScore value = 4;  // Dynamic eval (may be inexact, see the "bound" field)
+	HashProbeScore eval = 5;  // Static eval
+	int32 depth = 6;
+
+	enum ValueBound {
+		BOUND_NONE = 0;
+		BOUND_UPPER = 1;
+		BOUND_LOWER = 2;
+		BOUND_EXACT = 3;
+	};
+	ValueBound bound = 7;
+}
+
+message HashProbeMove {
+	string from_sq = 1;  // a1, a2, etc.
+	string to_sq = 2;
+	string promotion = 3;  // Q, R, etc.
+}
+message HashProbeScore {
+	enum ScoreType {
+		SCORE_CP = 0;
+		SCORE_MATE = 1;
+	}
+	ScoreType score_type = 1;
+	int32 score_cp = 2;
+	int32 score_mate = 3;
 }
 
 service HashProbe {