Hey, it worked before, right?
Left flank: 1*
Center: 2*
Right flank: 6*
The rebels advance confidently, forces split across the two flanks- with the center held by the traitor knights, who after shouting a few insults your way, unleash their thunderous charge strait into the middle of your formation. The exhausted troops can barely hold their ground, their flimsy spears deflecting harmlessly off of the knights' armour. They suffer heavy casualties.
Meanwhile, the brunt of the rebel army crashes into your heavy infantry. On the right, they manage to encircle your forces, sowing confusion and causing the flank to collapse. Only the solid armour of your heavy infantry prevents mass casualties. On the left, by contrast, they are prevented from encircling by the river, and find themselves facing an impenetrable shield wall. Once the momentum of their charge is spent, your forces strike back, inflicting mass casualties on the rebels.
With the left flank in tatters, and the center on the brink of collapse, you must act in order to retain any chance of victory. Obviously you order the right flank to turn and support the center, but what shall the cavalry do?
A-Reinforce the center alongside the right flank.
B-Charge into the left flank, giving the forces there a chance to recover.
C-Hang back for now, perhaps in preparation to cover a retreat.
And what about you?
A-Charge into the central flank alongside your personal bodyguard.
B-Charge into the left flank alongside your personal bodyguard.
C-Shout words of encouragement whilst hanging back to continue overseeing the battle.
D-Prepare to retreat.