What did the confederacy win at the chancellorsville and what did they lose?

In the April/May 1863 Battle of Chancellorsville, the Confederacy won a battle against a much larger army thanks to the superior leadership of General Robert E. Lee. Through this victory, it gained increased confidence in its military ability while also turning back yet another attempted Union invasion of the South. It also lost one of its most respected and skilled officers, General "Stonewall" Jackson, who was killed by friendly fire during the battle.