The Raiders (8-7) forged a tie with Denver atop the AFC West with the victory after the Broncos lost to the Buffalo Bills Saturday.
The San Diego Chargers also had a chance to gain a share of the divisional lead with a victory over Detroit later in the day, but lost 38-10 to the Lions.
Carson Palmer overcame a pair of interceptions for the Raiders, threw for 237 yards and one touchdown.
Denarius Moore made four grabs for 94 yards and a score. Michael Bush contributed 70 rushing yards on 23 carries.
Kyle Orton tossed for 300 yards on 21-of-36 efficiency with a touchdown but was picked off twice for the Chiefs (6-9).
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