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I'm -5. Currently I can play during my mornings, but later in the day could work later in the week. Would sometime in the morning work for you one of the next few days?
In no other competitive activity would anyone bother contesting that not showing up without any notice is anything other than a forfeit. It's a rule with which I certainly agree and with which community overwhelmingly agrees as you can see in the thread I linked. I believe it's important to enforce the policies that discourage wasting others' time; so no, I'm not willing to reschedule.