On the morning of 10 August Mustafa Kemal led an overwhelming Ottoman counter-attack. If Chunuk Bair, the one Allied success of the August offensive, was recaptured, the battle was effectively over. His plan lacked subtlety but was brutally effective – overrun the defenders by sheer weight of numbers. Mustafa Kemal had stopped the advance of IX Corps at Suvla, with a counter-attack at dawn on 9 August and late in the day reconnoitered Chunuk Bair and planned an attack with six battalions.