public static string ToString(TtEntry ttEntry)
{
return("score=" + ttEntry.GetScore(0) + " " + new MoveWrapper(ttEntry.Move) + " depth=" +
ttEntry.Depth + " flag="
+ ttEntry.Flag);
}
public static void TestTtValues(int score, int bestScore, int depth, int bestMove, int flag, TtEntry ttEntry,
int ply)
{
if (ttEntry.Key == 0 || ttEntry.Depth != depth)
{
return;
}
score = ttEntry.GetScore(ply);
if (ttEntry.Flag == TtUtil.FlagExact && flag == TtUtil.FlagExact)
{
if (score != bestScore)
{
Console.WriteLine($"exact-exact: TT-score {score} != bestScore {bestScore}");
}
var move = ttEntry.Move;
if (move != bestMove)
{
throw new ArgumentException(
$"Error: TT-move {new MoveWrapper(move)} != bestMove {new MoveWrapper(bestMove)}");
}
}
else if (ttEntry.Flag == TtUtil.FlagLower && flag == TtUtil.FlagExact)
{
if (score - Margin > bestScore)
{
Console.WriteLine($"lower-exact: TT-score {score} > bestScore {bestScore}");
}
}
else if (ttEntry.Flag == TtUtil.FlagUpper && flag == TtUtil.FlagExact)
{
if (score + Margin < bestScore)
{
Console.WriteLine($"upper-exact: TT-score {score} < bestScore {bestScore}");
}
}
else if (ttEntry.Flag == TtUtil.FlagExact && flag == TtUtil.FlagLower)
{
if (score + Margin < bestScore)
{
Console.WriteLine($"exact-lower: TT-score {score} < bestScore {bestScore}");
}
}
else if (ttEntry.Flag == TtUtil.FlagExact && flag == TtUtil.FlagUpper)
{
if (score - Margin > bestScore)
{
Console.WriteLine($"exact-upper: TT-score {score} > bestScore {bestScore}");
}
}
else if (ttEntry.Flag == TtUtil.FlagUpper && flag == TtUtil.FlagLower)
{
if (score + Margin < bestScore)
{
Console.WriteLine($"upper-lower: TT-score {score} < bestScore {bestScore}");
}
}
else if (ttEntry.Flag == TtUtil.FlagLower && flag == TtUtil.FlagUpper)
{
if (score - Margin > bestScore)
{
Console.WriteLine($"lower-upper: TT-score {score} > bestScore {bestScore}");
}
}
}
