In real time the war was from February 1919 to March 1921, but this scenario only covers it from Kiev offensive in early 1920 until January 1921. Too bad as there is sooo much still to do. Any chance to make it longer one day? At least to late 1921.
A few prominent leaders are missing from this scenario.
Joseph Stalin and Leon Trotsky (Soviets)
Role in the Polish-Soviet War, 1919–1921
After the Bolshevik victory in the Russian Civil War, Poland invaded Ukraine, starting what became known as the Polish–Soviet War, but the Bolsheviks pushed them back into Poland. As commander of the southern front, Stalin was determined to take the Polish-held city of Lviv. This conflicted with the general strategy set by Lenin and Trotsky, which focused on the capture of Warsaw further north.
Trotsky's forces engaged those of Polish commander Władysław Sikorski at the Battle of Warsaw, but Stalin refused to redirect his troops from Lviv to help. Consequently, the battles for both Lviv and Warsaw were lost, and Stalin was blamed. In August 1920, Stalin returned to Moscow, where he defended himself and resigned his military command. At the Ninth Party Conference on 22 September, Trotsky openly criticized Stalin's behaviour.
Among the commanders leading the Red Army in the coming offensive were Leon Trotsky, Tukhachevsky (new commander of the Western Front), Alexander Yegorov (new commander of the Southwestern Front), the future Soviet ruler Joseph Stalin, and the founder of the Cheka (secret police), Felix Dzerzhinsky.
Symon Petliura (Ukraine - allied to Poland)
Petliura withdrew to Poland December 5, 1919, which had previously recognized him as the head of the legal government of Ukraine. In April 1920, as head of the Ukrainian People's Republic, he signed an alliance in Warsaw with the Polish government, agreeing to a border on the River Zbruch and recognizing Poland's right to Galicia in exchange for military aid in overthrowing the Bolshevik regime. Polish forces, reinforced by Petliura's remaining troops (some two divisions), attacked Kiev on May 7, 1920 in what became a turning point of the 1919–21 Polish-Bolshevik war. Following initial successes, Piłsudski's and Petliura's forces were pushed back to the Vistula River and the Polish capital, Warsaw. The Polish Army managed to defeat the Bolshevik Russians, but were unable to secure independence for Ukraine. Petliura directed the affairs of the Ukrainian government-in-exile from Tarnów and when the Soviet Union requested Petliura's extradition from Poland, the Poles engineered his "disappearance," secretly moving him from Tarnów to Warsaw.
All these leaders are in the game which means that this scenario was not revised like the Grand Campaign was.