 Statistician Jeff Sonas , in examining data from 266 @,@ 000 games played between 1994 and 2001 , concluded that White scored 54 @.@ 1767 % plus 0 @.@ 001164 times White 's Elo rating advantage , treating White 's rating advantage as + 390 if it is better than + 390 , or − 460 if it is worse than − 460 . He found that White 's advantage is equivalent to 35 rating points , i.e. if White has a rating 35 points below Black 's , each player will have an expected score of 50 % . Sonas also found that White 's advantage is smaller ( 53 % ) in rapid games than in games at a slower ( " classical " ) time control . In the 462 games played at the 2009 World Blitz Chess Championship , White scored only 52 @.@ 16 % ( W38.96 D26.41 L 34 @.@ 63 ) . 
 Statistician Jeff Sonas , in examining data from 266 @,@ 000 games played between 1994 and 2001 , concluded that White scored 54 @.@ 1767 % plus 0 @.@ 001164 times White <a href='null_genetive' title='1'><mark>'s</mark></a>Elo rating advantage , treating White <a href='null_genetive' title='2'><mark>'s</mark></a>rating advantage as + 390 if it <a href='drop_aux' title='3'><mark>is</mark></a>better than + 390 , or − 460 if it <a href='drop_aux' title='4'><mark>is</mark></a>worse than − 460 . He found that White <a href='null_genetive' title='5'><mark>'s</mark></a>advantage is equivalent to 35 rating points , i.e. if White <a href='got' title='6'><mark>has</mark></a> a rating 35 points below Black <a href='null_genetive' title='7'><mark>'s</mark></a>, each player will have an expected score of 50 % . Sonas also found that White <a href='null_genetive' title='8'><mark>'s</mark></a>advantage is smaller ( 53 % ) in rapid games than in games at a slower ( " classical " ) time control . In the 462 games played at the 2009 World Blitz Chess Championship , White scored only 52 @.@ 16 % ( W38.96 D26.41 L 34 @.@ 63 ) . 
Statistician Jeff Sonas , in examining data from 266 @,@ 000 games played between 1994 and 2001 , concluded dat White scored 54 @.@ 1767 % plus 0 @.@ 001164 times White  Elo rating advantage , treating White  rating advantage as + 390 if it better den + 390 , or − 460 if it worse than − 460 . He found that White  advantage is equivalent to 35 rating points , i.e. if White got a rating 35 points below Black  , each player will have an expected score of 50 % . Sonas also found that White  advantage is smaller ( 53 % ) in rapid games tdenin games at a slower ( " classical " ) time control . In da 462 games played at tda2009 World Blitz Chess Championship , White scored only 52 @.@ 16 % ( W38.96 D26.41 L 34 @.@ 63 ) .