Efficiency Ratings: Boston College

As the Blue Devils progress through the season there will be many different theories on how to measure team success. TDD has adopted an NBA Efficiency Formula to track Duke's top players and performances after each game and throughout the season.

A quick way NBA coaches measure a player's game performance is by evaluating his efficiency. In order to find a player's efficiency the following formula is used:

((Points + Rebounds + Assists + Steals + Blocks) - ((Field Goals Att. - Field Goals Made) + (Free Throws Att. - Free Throws Made) + Turnovers)).

For example, compare the following stat lines:

Player A: 17 points (5-of-22 FG, 7-9 FT), 8 rebounds, 6 assists, 3 steals, 4 turnovers.

Player B: 15 points (5-8 FG, 3-4 FT), 4 rebounds, 7 assists, 2 turnovers

Latest Game:

Grayson Allen had 17 points, nine rebounds and five assists for the Blue Devils (12-2), and Brandon Ingram finished with 25 points and nine rebounds. Duke fell behind by six points early in its first true road game of the season before scoring 20 of the next 25 points.

Luke Kennard added 17 points, and Matt Jones had 16 to help Duke beat BC for the 10th consecutive time.

BC led 12-6 with 7 minutes gone in the game before Derryck Thornton made a jumper on an assist from Allen and then Jones made a 3-pointer to cut the deficit to one point. Allen then stole the ball from Robinson and took it in for a dunk to give Duke its first lead of the game.


vs.BOSTON COLLEGE

(change from previous game)

  • Grayson Allen +27 (+15)
  • Matt Jones +13 (-10)
  • Brandon Ingram +25 (+12)
  • Amile Jefferson +DNP (-)
  • Marshall Plumlee +5 (-14)
  • Luke Kennard +20 (+9)
  • Derryck Thornton +1 (-19)
  • Chase Jeter +0 (+1)
  • Antonio Vrankovic DNP (-)
  • Sean Obi DNP (-)


Notes: Allen and Ingram were strong on Saturday both in scoring (25 for Ingram and 17 for Allen) and rebounding (9 apiece). However, Allen’s better percentages in field goals and from the charity stripe boosted his score above Ingram’s for the evening.

Similarly, Luke Kennard’s 7-of-11 performance from the field mixed in with five rebounds ended up settling his score at the +20 mark.

In the cumulative look at the game, every Duke player that played shot better than 50 percent from the floor with the exception of Marshall Plumlee who played 34 minutes, but didn’t attempt a single field goal during the game. Instead, Plumlee contributed with rebounds (5) and a pair of steals.


MEMORABLE SEASON PERFORMANCES

Throughout the season TDD will track the various highs and lows using the formula.

Ten Most Efficient Performances

  • Grayson Allen v. Georgetown (+38)
  • Brandon Ingram v. Georgia Southern (+38)
  • Brandon Ingram v. Elon (+35)
  • Grayson Allen v. Long Beach State (+34)
  • Grayson Allen v. VCU (+30)
  • Grayson Allen v. Siena (+28)
  • Luke Kennard v. Utah (+28)
  • Brandon Ingram v. Indiana (+26)
  • Amile Jefferson v. Siena (+26)
  • Grayson Allen v. Bryant (+26)
  • Amile Jefferson v. Kentucky (+26)
  • Amile Jefferson v. Utah State (+25)

Five Least Efficient Performances*

  • Derryck Thornton (-5) v. Utah State
  • Grayson Allen (-4) v. Kentucky
  • Grayson Allen (-4) v. Utah
  • Chase Jeter (-3) v. Utah
  • Brandon Ingram (-2) v. Kentucky


SEASON EFFICIENCY RATING

Cumulative Season ratings for the Blue Devils. (E/game)*

  • Grayson Allen +299 (21.4)
  • Brandon Ingram +239 (17.1)
  • Matt Jones +193 (13.8)
  • Amile Jefferson +177 (19.7)
  • Marshall Plumlee +177 (12.6)
  • Luke Kennard +158 (11.3)
  • Derryck Thornton +115 (8.2)
  • Chase Jeter +35 (2.9)
  • Antonio Vrankovic +11 (2.8)
  • Sean Obi 6 (1.2)



*- Games Factored In: Obi (5); Vrankovic (4); Jeter (12)

MOST EFFICIENT PER MINUTE

Cumulative Season ratings per minute for the Blue Devils. (E/minutes)

  • Antonio Vrankovic .846
  • Amile Jefferson .648
  • Grayson Allen .629
  • Brandon Ingram .568
  • Luke Kennard .503
  • Marshall Plumlee .494
  • Matt Jones .414
  • Sean Obi .400
  • Chase Jeter .318
  • Derryck Thornton .311



SEASON HIGH/LOW PERFORMANCES


Tracking the most and least efficient performances by player

  • Grayson Allen 38/-4
  • Amile Jefferson 26/21
  • Brandon Ingram 38/-2
  • Matt Jones 25/10
  • Marshall Plumlee 23/12
  • Luke Kennard 28/0
  • Chase Jeter 12/-3
  • Antonio Vrankovic 8/1
  • Derryck Thornton 20/2
  • Sean Obi 3/0


Notes:

- Kennard passed Plumlee on the per minute ratings after another strong game that saw him score from everywhere aside from the perimeter. For the season Kennard is hitting only 29 percent from long range. - Allen has an even 60 point lead on Ingram in the cumulative statistics. While the freshman forward may be the more consistent high scorer, Allen’s superior free throw shooting and somewhat declining percentage of total FGAs for the team (coupled with the increase for Ingram here) has done enough to not only maintain, but to slightly up his lead. - Duke has yet to find much of anything on a consistent basis from the bench.


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