"Two Seasons: Winter-Spring 2017". Online games for rating (reports, discussions).

A victory achieved through superior hero movement. Although the enemy had a powerful skeleton army, they couldn't completely eliminate my main force. Instead, I used my heroes' high movement speed to continuously destroy the enemy's fast-moving units like angels. Meanwhile, my two logistics heroes rapidly expanded, and although the enemy was strong, they couldn't keep up and were always a step behind, unable to expand and increase their forces. I gradually chipped away at them.
In the end, I built a Dungeon in my town, and the enemy gradually lost ground. I occupied all the territory, and their main army couldn't reach my main force, leading to their defeat!
tfp

The date and duration were a bit off. I started well, with a good group of skeletons and an artifact that boosted hit points. But two of my castles were small, and I met my opponent in the middle of the second week. Their stats were slightly better, but my army was much stronger. My opponent bought me out, and then I struggled in three zones. They won due to continuous hit-and-run attacks with a Kiryu hero, who seemed to have endless mana. Being almost without an army, and finding a Dungeon and high-level magic like Implosion, they constantly thinned out my troops. Despite this, I managed to capture a terrible Utopia 2 (with a book of water and a bag of gold). After that, there was basically no chance of winning.
Thank you for the game!