Event = {Game with variations and sub-variations}
[start]                 -+<LONG {I'm the main variation header comment.}
[1w]                    (1w) e4 (#hm=0)
[1b]                    (1b) e5 (#hm=0)
                         |
[1b-v0-start]            +---+
[1b-v0-1b]               |  (1b) c6 (#hm=0)
                         |
[1b-v1-start]            +---+
[1b-v1-1b]               |  (1b) c5 (#hm=0)
[1b-v1-2w]               |  (2w) Nc3 (#hm=1)
                         |   |
[1b-v1-2w-v0-start]      |   +---+
[1b-v1-2w-v0-2w]         |   |  (2w) Nf3 (#hm=1)
[1b-v1-2w-v0-2b]         |   |  (2b) d6 (#hm=0)
                         |   |
                         |
[2w]                    (2w) Nf3 (#hm=1)
[2b]                    (2b) Nc6 (#hm=2)
[3w]                    (3w) Bc4 (#hm=3)
                         |
[3w-v0-start]            +---+
[3w-v0-3w]               |  (3w) Bb5 (#hm=3)
[3w-v0-3b]               |  (3b) a6 (#hm=0)
                         |   |
[3w-v0-3b-v0-start]      |   +---+
[3w-v0-3b-v0-3b]         |   |  (3b) Nf6 (#hm=4)
                         |   |
[3w-v0-4w]               |  (4w) Ba4 (#hm=1)
                         |   |
[3w-v0-4w-v0-start]      |   +---+
[3w-v0-4w-v0-4w]         |   |  (4w) Bxc6 (#hm=0)
[3w-v0-4w-v0-4b]         |   |  (4b) dxc6 (#hm=0)
                         |   |
                         |
+---+---+---+---+---+---+---+---+
| r |   | b | q | k | b | n | r |
+---+---+---+---+---+---+---+---+
| p | p | p | p |   | p | p | p |
+---+---+---+---+---+---+---+---+
|   |   | n |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | p |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | B |   | P |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | N |   |   |
+---+---+---+---+---+---+---+---+
| P | P | P | P |   | P | P | P |
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K |   |   | R |
+---+---+---+---+---+---+---+---+
b KQkq -
{Line}{5 plies}