The Seljuk Turks eagerly wanted to expand their territory so they moved westward and took Syria and Palestine. They also occupied the Byzantine army, at Manzikert, whom they ended up defeating.
The Third Crusade
The first crusade was lead by four nobles. The crusaders laid siege to Antioch. Nine months later, a traitor let them through the city walls. The Christians then ended up beating Antioch. The crusaders then surrounded Jerusalem and Jerusalem surrendered. Victorious, the crusaders massacred Muslims and Jews, and four crusader kingdoms were established.
King Richard I of England
We shall kill them all
The Seljuk Empire was crumbling. Muslims ganged up and began to fight together. They captured Edessa. The Christians made the second crusade, but it was a failure. Around 50,000 crusaders marched on the city of Damascus. The Muslims then came back to that city and defeated the French which ended the second crusade.
Salah al-Din united several lands to the east and Egypt and Syria. He led a renewed fight against the crusaders in the Holy Land. He captured Palestine and Jerusalem. Salah didn't kill his prisoners but instead freed many of his captives or sold them for ransom. In the end of the Third Crusade, a peace treaty was signed, so no one "won."
You freed captives are gonna be sold for ransom
That's gonna be me
After Jerusalem was taken King Richard I of England started a fight against Salah al-Din. Richard's army forced the surrender of Palestinian town of Acre. Richard then ordered his men to kill all 2700 of his Muslim prisoners. Richards army wasn't strong enough to attack the city of Jerusalem so the two leaders signed a peace treaty.
None of the Later crusades succeeded in recapturing Jerusalem. During that time, Muslims were gaining back the land they had lost. They later took Acre which was the last crusader city. This huge victory ended some of 200 years of Christian kingdoms in the Holy Land. The Muslims were the "winners"