Win the 1st castle battle:
If you start a game in the lower castel, move all your men in your army and take 3 high men who was in the lower land.
Like this, you’ll have a strong army with a lot of men.
Return to your castel, there you’ll be able to buy more men.
When arrow show battel, do:
front, rear, attack, and repeat.
You ‘ll defeat your adversary without any problems.
Move your lance before she approach to the adversary shield, after, move it just a little to the bottom.
Count the rebound, and in the 5th attack, take aim to the lower as possible.