Schach Datenbanken wie die % verstehen?

Ich habe eine kurze Frage: In meiner Fernschach-Datenbank auf ChessBase wird der Zug d2-d4 mit einer Erfolgsquote von 54,2 % angezeigt. Allerdings wird der Gegenzug a7-a5 von Schwarz mit 83,6 % bewertet. Verstehe ich das richtig? Dieser Zug scheint doch nicht gut zu sein. Könnte ich da etwas falsch interpretieren?

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AusMeinemAlltag
2 months ago

Is that really the success rate?

Couldn’t it be something like “wurde in x % of the database parts pulled by a chess player?” that would not automatically be the same as a success rate, but only a statement that chess players like to do this chess.

OlliBjoern
2 months ago

Well, that can be if, for example, very strong players play black – against a weak white player, then “believe” them a not as good move as 1… a5.

Then the 80% mean more: “the black player was clearly stronger”
as it would mean that the train was so good.

A brief search revealed that Nakamura liked to play with black.
And often in the quick chess.