9.0 - 10.0 Excellent performance.
8.5 - 8.9 Very good, with important decisions correctly taken.
8.3 - 8.4 Good, expected level.
8.2 Satisfactory, with small areas for improvement.
8.0 - 8.1 Satisfactory, with important areas for improvement.
7.9 One clear and important error; otherwise 8.3 or higher.
7.8 One clear and important error; otherwise 8.0 - 8.2.
7.5 - 7.7 Below expectations, with important areas for improvement (match control).
7.0 - 7.4 Poor performance, with two or more clear and important errors.
6.0 - 6.9 Very poor, unacceptable performance.
