McCallum Takes One on the Turn

Level 34
: 100,000/200,000, 200,000 ante
John Hashem opened the betting from the button with a raise to 400,000. Warren McCallum called from the big blind.
McCallum check-called a 300,000 bet from Hashem on the flop to see
on the turn. McCallum again checked, but when Hashem bet 400,000, McCallum shoved all in. Hashem quickly released his hand.