Passing offense: Starting quarterback Matt McGloin got yardage in big chunks, completing 18 of 36 passes for 297 yards and two touchdowns. But there were four interceptions _ one which Eric Berry returned 47 yards for a touchdown and another thrown late and over the middle to linebacker Frank Zombo _ which he had plenty of time. McGloin was not sacked, and the Raiders protection was pretty good. Turnovers in the passing game led to 28 points for the Chiefs. That's a failing grade by any standard. Grade: F.

Rushing offense: Too bad the Raiders fell behind so quickly, because there were yards to be had against the Chiefs defense. Rashad Jennings returned from a concussion and had 91 yards on 23 carries. Oakland finished with 130 yards on 33 attempts but the push seemed consistent and had they not fallen behind by 25 points early, the running game could have been more of a factor. Grade: B

Oakland Raiders quarterback Matt McGloin (14) fumbles against the Kansas City Chiefs during the second quarter of an NFL football game in Oakland, Calif.,
Oakland Raiders quarterback Matt McGloin (14) fumbles against the Kansas City Chiefs during the second quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 15, 2013. Kansas City Chiefs outside linebacker Tamba Hali recovered the fumble. ((AP Photo/Marcio Jose Sanchez))

Pass defense: Jamaal Charles caught all eight passes thrown his way by Alex Smith for 195 yards and four touchdowns. After Raiders got within 35-31, Smith found Charles on a wheel route for a 71-yard touchdown play _ basically the play that ruined the Raiders hopes at a comeback. Smith finished 17 of 20 for 287 yards, five touchdowns and no interceptions. Smith rarely had to look downfield considering what was available underneath. Charles' first three scores were on screen passes. Grade: F

Rush defense: If it's any consolation, Charles had just 20 yards on eight carries with a 1-yard touchdown run as he continues to struggle running against the Raiders. The Chiefs had 78 yards on 24 carries, and the only real gash play came on a 17-yard touchdown run by Knile Davis for the game's final points. The Raiders have given up such a play in each of the last three games in the fourth quarter. Grade: B


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Special teams: Quintin Demps ran the opening kickoff back 50 yards to the Oakland 49-yard line, setting the stage for a 49-yard screen touchdown to Charles on the next play. When the Raiders climbed within 35-31, and the Chiefs scored quickly on a 71-yard pass to Charles to make it 42-31, Taiwan Jones lost a fumble on the ensuing kickoff. Chiefs scored, game over. That's enough to merit a failing grade. Grade: F

Coaching: Allen is playing Whack-A-Mole at this point, with problems popping up every time he believes he's solved one. The Raiders have regressed in all three phases over the last month and it's reflected in their record. All areas contributed to a loss against a playoff bound Chiefs team which was missing key players and was giving up yardage in impressive chunks. Even with cap issues, injuries, etc., in no way does this look like progress. Grade: D