+ 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.