Thursday's Sao Paulo round of 16 pits Alina Charaeva against Elina Avanesyan on hard. Elina Avanesyan has won 6 of the last 10. Alina Charaeva limps in on a 2-match losing skid, just 5 wins in 10.

Elina Avanesyan is clearly higher-rated on hard — our number puts Avanesyan around 54%. A tiebreak or two would surprise nobody, with Avanesyan fractionally more likely to land the big points.