Closed game is 1. d4 d5. There are quite a few opening lines that start with 1. ... | Hacker News

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		MadWombat on Oct 9, 2019 \| parent \| context \| favorite \| on: Ken Thompson's Unix Password Closed game is 1. d4 d5. There are quite a few opening lines that start with 1. d4, but do not continue into the closed game.

CrazyStat on Oct 9, 2019 [–]

Which does not change the fact that 1. d4 is the beginning of the closed game.

MadWombat on Oct 9, 2019 | [–]

Yes, and the history of American football starts at Big Bang :)

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