Event = {Game with long/short comment descriptors}
[start]                 -+<LONG {Empty line after first comment of variation => LONG.}<LONG
[1w]                    (1w) e4 (#hm=0)
[1b]                    (1b) e5 (#hm=0)
                         |
[1b-v0-start]            +---+ {Within short variation, always SHORT.}
[1b-v0-1b]               |  (1b) e6 (#hm=0) $18 {Within short variation, always SHORT.}
                         |
[2w]                    (2w) Nf3 (#hm=1)
[2b]                    (2b) Nc6 (#hm=2)
[3w]                    (3w) Bb5 (#hm=3)
                         |
[3w-v0-start]            +---+<LONG {No empty line after => SHORT.}
[3w-v0-3w]               |  (3w) Bc4 (#hm=3)
[3w-v0-3b]               |  (3b) Bc5 (#hm=4) {No empty line before => SHORT.}
                         |
[3b]                    (3b) a6 (#hm=0)
[4w]                    (4w) Bxc6 (#hm=0)
                         |
[4w-v0-start]            +---+<LONG {Empty line after first comment of variation => LONG.}<LONG
[4w-v0-4w]               |  (4w) Ba4 (#hm=1)
[4w-v0-4b]               |  (4b) b5 (#hm=0) {Empty line before comment => LONG.}<LONG
                         |
[4b]                    (4b) dxc6 (#hm=0)
+---+---+---+---+---+---+---+---+
| r |   | b | q | k | b | n | r |
+---+---+---+---+---+---+---+---+
|   | p | p |   |   | p | p | p |
+---+---+---+---+---+---+---+---+
| p |   | p |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | p |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | P |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | N |   |   |
+---+---+---+---+---+---+---+---+
| P | P | P | P |   | P | P | P |
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K |   |   | R |
+---+---+---+---+---+---+---+---+
w KQkq -
{Draw}{8 plies}