The German III Motorized Korp hammers away at Fedorovka's MLR, decimating my units. I have to redeploy several divisions and armored regiments to try to reinforce the defenses.
In the North, however, I'm able to surround and destroy an infantry regiment and an artillery battery. Other two regiments are decimated in the attacks, and it looks like I can finally achieve a decisive victory in the area, thanks to a wide encircling move done by my armored units. The Germans should be now out of supplies.
TURN 16 and ending
Another hole is punched in the Fedorovka MLR, but I am able to plug it with second-line troops. The constant assault is wearing down my forces in the south, but the Germans are suffering too, and the scenario is about to end. I have the time to make another encirclement in the North before time is up.
In the end, it's an overwhelming victory for the Red Army! The enemy suffered grievous losses despite its armored power and the destruction of the entire 9th Amy in the first breakthrough. Kharkov is liberated, as is Krasnodar. The 6th Armee and the I Panzerarmee will be forced to withdraw from their positions and retreat. The Rumanian and Hungarian forces has been so decimated they will likely be disbanded.
Had the scenario continued, the Germans could have overran the defenses in the South, although i'd be able to annihilate their remnants in the north. Overall, i'm lucky it ends now. Despite the low proficiency and experience of my troops, along with the bad strategic situation, I've been able to carve up a victory from the hands of defeat. When the 1st Panzerarmee destroyed 9th Army I thought all was lost, but i managed to destroy the last German troops in the center and thus use all available units in the area to form two strong MLRs.
The 6th Armee did very little: they achieved an initial massive success, then parked themselves north of Izium and did nothing for the rest of the battle. Maybe my troops placed just north of their position convinced Von Paulus that he risked a flank attack if he attacked Petrovskoe. Honestly, that was my intention, but the Germans did not attack and I didn't want to risk an open battle with it.
My artillery was the king of the battlefield. Using concentrated barrages made with 300 guns at once, I inflicted horrendous losses to every german fat stack, de facto making almost all their attacks fail miserably. It was only when I moved most of my artillery in the Petrovskoe's MLR that the enemy was able to easily punch through Fedorovka's MLR. But every time I was able to use my artillery freely, it did wonders. The Germans had hundreds of guns too, but almost never concentrated their fire and ultimately the losses they inflicted never bothered me that much. Soviet artillery doctrine is clearly superior.
Cavalry and armored units were useful for their hardness in battle and strategic speed: it was them that slipped through the German lines and took Kharkov and Krasnodar. Taking those two cities triggered serious malus on the Germans and may have played a big role in my victory. They also proved very valuable as tactical reserves or to close encirclements. While they weren't as dominant on the battlefield as I hoped, they were an invaluable resource nonetheless. Mobility is king.