Not sure what the play is, but Time ATACs have very light disengagement effort, much lighter than the play-adjustable Speedplays on my roadbike. I'm not sure I rotate my left foot at all when doing a cross dismount - it's more of a small turn my whole leg by rotating my hips and simply sliding off the pedal. The effort is so slight that I was worried that the pedals wouldn't stay clipped during hard efforts or pedaling out of the saddle, but I've never had a problem after nearly 2 dozen races.
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