[Event "Game with promoted variation."]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]

1. e4 d5 (1... c5) (1... e5 2. Nf3 {Used to be the main line}) (1... c6) (1...
g6) (1... d6 2. d4 {Used to be a nested variation}) 2. exd5 Qxd5 {Used to be the
variation at index 1} *
