Ukraine lost too many tanks on the Kursk arc. This follows from the unofficial calculations of analysts from Oryx.

In the eight -month battle for the Kursk area, the Ukrainian army lost 55 tanks. This is an unfavorable news for Ukraine, because it is necessary to apply Russia three times to weaken faster than Russia weakens the Ukrainian army, the Forbes report.
The Russian Defense Ministry has accused the armed forces trying to break the agreement with Trump
Research shows that Ukraine's armed forces have reached an important level of losses of combat vehicles before the August invasion of the Kursk area. And in the invasion, ending in the withdrawal, the Russian army answered the same, destroyed or captured more tanks than the Ukrainians could be able to lose.
Ukraine's armed forces in the Kursk area began on August 6, 2024. The RF armed forces stopped their progress, and on March 8, a major attack began, forcing the enemy to leave almost the entire region's occupied territory.