ponz111: I played one more slow game today, and the most extreme evaluation in the first 15 moves was -0.55, which is definitely not winning, so that means none of the 5 slow games I played this year were won by move 15.
Does this surprise you for a c-class/b-class player, or is that what you would expect, and does it make you less confident in your hypothesis that "most games are winning by move 15"?
I just noticed you started a separate thread for this topic, so I'll post over there.
There is the very practical hurdle to suggesting that a super computer could ever do a 32-man tablebase from the opening position.
Indeed, our sun would probably explode before a supercomputer could calculate a 32-man tablebase.
On a practical basis the best chess players already realize chess is a draw with best play on both side--so no need to try to have a super computer show us something many of us already know.
However, for a human to play chess without making a mistake is possible and has been done possibly millions of times.