Table:
text: Comparison of top chess players throughout history
Moves played compared with computer choices
Moves played compared with computer choices
Position_ best_year best_2_year_period best_3_year_period best_5_year_period best_10_year_period best_15_year_period
9 Petrosian Anand Spassky; Lasker Alekhine; Anand Anand Botvinnik; Spassky; Petrosian
10 Euwe Tal; Spassky Anand Alekhine; Anand Lasker; Petrosian Anand
11 Spassky Tal; Spassky Petrosian Petrosian; Spassky Lasker; Petrosian Tal
12 Alekhine; Anand Lasker; Euwe Tal; Alekhine Petrosian; Spassky Tal; Alekhine Alekhine; Lasker
13 Alekhine; Anand Lasker; Euwe Tal; Alekhine Euwe; Tal Tal; Alekhine Alekhine; Lasker
14 Lasker Petrosian Euwe Euwe; Tal Euwe Euwe
15 Morphy Morphy Morphy Steinitz Steinitz Steinitz
16 Steinitz Steinitz Steinitz — — —

Question: Which best 5 year period has a best 15 year period from Aljehin; Lasker on Comparing moves played by top chess players throughout history versus computer decisions ?

Question: Comparing the top chess players throughout history, what is the best 10-year period of Petrosian best 2-year period of moves played versus computer decisions?

Question: In a comparison of the best chess players throughout history, what is the position of the best 3-year period of Petrosian moves played versus computer decisions?