Kokopu version 4.0.0 introduces some breaking changes with regard to the previous versions. Those changes may require some fixes or adjustments in your codebase when upgrading Kokopu from 3.x to 4.0.0 (or any subsequent version).

To upgrade from an older version (1.x or 2.x), follow the migration guide to 3.x beforehand.

Game.round() (getter and setter)

As of 4.0.0, the getter Game.round() returns a positive integer instead of a string, and similarly the corresponding setter expects a positive integer (or any string that can be converted to a positive integer).

To support multipart rounds, Kokopu 4.0.0 introduces Game.subRound() and Game.subSubRound(). Hence, when for instance a PGN file contains a Round header such as [Round "4.1.2"], the header is parsed such that Game.round() returns 4, Game.subRound() returns 1, and Game.subSubRound() returns 2.

Method Game.fullRound() can be considered as a replacement of the former Game.round() getter: this method concatenates the round, sub-round and sub-sub-round in a single string using dot characters as separators, i.e. returns string similar to the value of the underlying Round header if the Game is loaded from a PGN file.

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