POD is death of Denikin few months before July of 1919. Illness or artillery etc. (I’m waiting for publication of rest parts of his memories to find best point) because during Civil War that things happened (vide Kornilov). After his death command of Volunteer Army (Armed Forces of South Russia) took Wrangel and started (like later in OTL) reforms like Land Reform and what most important during negotiations with Piłsudski's emissaries in Taganrog (started in July of 1919) agreed to recognize independence of Poland and Ukraine (that negotiations lead to faster than in OTL signature of alliance between Poland and Ukraine) and alliance in war against Bolsheviks (in OTL Denikin supported idea of one and indivisible Russia made agreement impossible). That alliance allowed to integration of antibolsheviks actions. IMO that agreement will allow to Finnish support in Nikolai Yudenich attack on Petersburg (but eg. after gain it Mannerheim stopped army in supporting joining with Miller until they recognize Finland independence).
How it will affect Russian Civil War in yours opinions?
How it will affect Russian Civil War in yours opinions?