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Chess as science

Chess is one of the most complex board games.
After just two moves, 72084 different positions can be created.
The number of possible game progressions is many times larger. The geometric average over the course of the game is assumed to be around 30 possible half-moves per position.
In game theory, chess is classified as a finite zero-sum game with perfect information.
Theoretically, one could determine whether white or black wins if both sides play perfectly or whether the game ends in a draw. Because of the enormous number of positions to be considered, it is far beyond today's possibilities to clarify this question by fully calculating the search tree.
However, results for all material distributions up to seven stones have already been calculated and are available in endgame databases (so-called tablebases).