3 optional int32 white = 1;
4 optional int32 draw = 2;
5 optional int32 black = 3;
7 // Opening number (32-bit hash value).
8 optional fixed32 opening_num = 4;
10 // Elo statistics for this position.
11 optional int64 sum_white_elo = 5;
12 optional int64 sum_black_elo = 6;
13 optional int32 num_elo = 7;
15 // First timestamp this position/move was seen.
16 optional int64 first_timestamp = 8 [default=32503680000];
18 // Moves seen from this position.
19 repeated string move = 9;