X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fhashprobe.proto;h=b02a7a92fccac6313b4e5898893c06d61a6ee953;hp=5df9b9c52945f971bdc1fd2ce53c5cfc683966d0;hb=027ba2704dfbc26e671ca3f0a0db1b01c3becff3;hpb=d963529dcaa3ba80267aaca8b769a3081d2c5da9

diff --git a/src/hashprobe.proto b/src/hashprobe.proto
index 5df9b9c5..b02a7a92 100644
--- a/src/hashprobe.proto
+++ b/src/hashprobe.proto
@@ -1,15 +1,34 @@
 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;
+	repeated HashProbeLine line = 1;
+}
+message HashProbeLine {
+	HashProbeMove move = 1;
+	bool found = 2;
+
+	repeated HashProbeMove pv = 3;
+	int32 value = 4;  // Dynamic eval (may be inexact, see the "bound" field)
+	int32 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.
 }
 
 service HashProbe {