{
    "event": "Game with swapped variations.",
    "mainVariation": [
        "e4",
        {
            "notation": "e5",
            "variations": [
                [ "c5" ],
                [ { "notation": "g6", "comment": "Used to be at index 4" } ],
                [ "d5" ],
                [ "f5" ],
                [ { "notation": "c6", "comment": "Used to be at index 1" } ],
                [ "b5" ],
                [ "a5" ]
            ]
        },
        "Nf3"
    ]
}