// Possible states after a probing operation
enum ProbeState {
FAIL = 0, // Probe failed (missing file table)
- OK = 1, // Probe succesful
+ OK = 1, // Probe successful
CHANGE_STM = -1, // DTZ should check the other side
ZEROING_BEST_MOVE = 2 // Best move zeroes DTZ (capture or pawn move)
};