4 ms·
At least in modern usage, giving the exclam to signal "I prefer this opening move" isn't uncommon, so it's not a stretch to think that it was done in the sevent
by arnsholt 7y ago
At least in modern usage, giving the exclam to signal "I prefer this opening move" isn't uncommon, so it's not a stretch to think that it was done in the seventies too. Also it rounds the whole thing out nicely to eight characters.