Capablanca plays very superficially sometimes, in a way that can only be ascribed to lack of concentration. This is an integral weakness of his make-up and can only be partially compensated by his employing his time allowance to the full.
Max EuweCapablanca did not apply himself to opening theory (in which he never therefore achieved much), but delved deeply into the study of end-games and other simple positions which respond to technique rather than to imagination.
Max EuweThe 'chess machine', by which admiring title he had been known, revealed the great drawback of a machine: it had not sufficient flexibility to adapt itself to altered circumstances.
Max Euwe