← Forecasts for Apr 9

2022-23 · Regular Season · Final

Golden State Warriors at Portland Trail Blazers

Sunday, April 9, 2023 · tip-off time not recorded

GSW 2–3@POR 9–1 records going into the game NBA.com recap ↗

Win probability as a share of the court: GSW 72 percent, POR 28 percent. GSW Golden State Warriors 72% proj. 127 · final 157 POR Trail Blazers · home 28% proj. 118 · final 101
Each team's share of the floor is its pregame win probability. The line starts at midcourt and moves to the split.

Forecast and result

TeamProjectedFinalDifference
GSW Golden State Warriors 127 157 +30
POR Portland Trail Blazers (home) 118 101 −17

Forecast: Golden State Warriors to win, 72% win probability, projected margin 9.

Inside the Forecast

How the inputs are built
What the model received
InputGSWPOR
Elo ratingMargin-of-victory Elo; 1500 is average. 15771332
Elo gap, home minus road, incl. home court −176
Season scoring marginPoints per game, blended with last season early in the year. +1.1−3.4
Games played this season 8181
Offensive rating, last 10Points scored per 100 possessions. 119.7106.6
Defensive rating, last 10Points allowed per 100 possessions; lower is better. 113.3120.2
Combined pace, last 10Possessions per game, both teams. 101.1
Rotation points missingPoints per game of rotation players listed Out or Doubtful. 0.050.8
Rest days 21
Second night of a back-to-back NoYes

This forecast can't be broken down exactly: the model version that made this forecast is not available. Explanations are shown only when the model that made a forecast can be rebuilt and reproduces it. How explanations are checked

Built from the box scores

How the breakdowns work

Where each input came from. Open a row to see the games and box-score stats behind it. A breakdown is shown only when rebuilding it from the stored stats gives exactly the number the model received.

Elo ratingGSW1577POR1332

Updated after every game from the final score only: wins, losses and margin. Each season starts by keeping 75% of last season's distance from the 1500 average.

GSW1577

1500
  1. Ended last season at 1699 → started this one at 1649
  2. First 71 games: −115.5
  3. Last 10 games: +43.7
  • L@MEM119–133−7.9
  • W@HOU121–108+6.3
  • W@DAL127–125+5.4
  • WPHI120–112+11.3
  • LMIN96–99−7.7
  • WNOP120–109+7.5
  • WSAS130–115+2.6
  • L@DEN110–112−3.3
  • WOKC136–125+6.5
  • W@SAC119–97+23.0

POR1332

1500
  1. Ended last season at 1249 → started this one at 1312
  2. First 71 games: +69.5
  3. Last 10 games: −49.9
  • W@UTA127–115+19.0
  • LCHI96–124−17.0
  • LOKC112–118−6.2
  • LNOP90–124−19.8
  • LSAC80–120−16.2
  • LSAC114–138−9.6
  • W@MIN107–105+9.9
  • L@MEM109–119−2.4
  • L@SAS127–129−4.4
  • L@LAC125–136−3.2
Season scoring marginGSW+1.1POR−3.4

Points scored minus points allowed per game this season, mixed with last season's margin until 20 games are played.

GSW+1.1

Scores 118.5, allows 117.3 over 81 games: +1.1 a game.

POR−3.4

Scores 113.6, allows 116.9 over 81 games: −3.4 a game.

Offensive rating, last 10GSW119.7POR106.6

Points scored per 100 possessions. Split into the four factors: right of center helps the team, left hurts, in points per 100 possessions compared with the league average (2022-23 to date: 114.2).

GSW119.7scored, +5.5 vs league

FactorGSWLeaguehurtshelpsPts
Shooting (eFG%)57.3%54.7%+3.9
Turnovers (TOV%)13.6%12.0%−2.3
Offensive rebounding (OREB%)31.3%23.8%+3.4
Free throws (FTM per FGA)0.2040.211−0.2
Everything else+0.7

POR106.6scored, −7.6 vs league

FactorPORLeaguehurtshelpsPts
Shooting (eFG%)51.7%54.7%−4.6
Turnovers (TOV%)11.2%12.0%+1.2
Offensive rebounding (OREB%)18.5%23.8%−2.4
Free throws (FTM per FGA)0.1720.211−1.1
Everything else−0.6
Defensive rating, last 10GSW113.3POR120.2

Points allowed per 100 possessions, built from what opponents did in those games. Bars point right when the defense held opponents below average. Split into the four factors: right of center helps the team, left hurts, in points per 100 possessions compared with the league average (2022-23 to date: 114.2).

GSW113.3allowed, −0.9 vs league

FactorOpponentsLeaguehurtshelpsPts
Shooting (eFG%)53.1%54.7%+2.4
Turnovers (TOV%)10.8%12.0%−1.6
Offensive rebounding (OREB%)26.0%23.8%−1.0
Free throws (FTM per FGA)0.1940.211+0.5
Everything else+0.6

POR120.2allowed, +6.0 vs league

FactorOpponentsLeaguehurtshelpsPts
Shooting (eFG%)58.5%54.7%−5.7
Turnovers (TOV%)12.1%12.0%+0.2
Offensive rebounding (OREB%)26.0%23.8%−1.0
Free throws (FTM per FGA)0.2120.211−0.0
Everything else+0.6
Pace, last 10average 101.1

Possessions per 48 minutes. The model uses the average of the two teams. Faster games mean more points for both sides, so pace mostly moves the projected total, not the margin.

GSW 100.2 and POR 102.0 → average 101.1 (league 2022-23 to date: 99.8)

Rotation points missingGSW0.0POR50.8

Points per game of rotation players (two or more of the last 10 games this season, 15+ minutes) listed Out or Doubtful on the official injury report.

GSW0.0pts/g missing

Every rotation player was available.

Source: official injury report, 2023-04-09 17:30 ET. 9 rotation players.

POR50.8pts/g missing

PlayerPtsMinGames
Keon Johnson15.326.33
Nassir Little11.223.95
Drew Eubanks11.025.39
Cam Reddish7.522.14
Matisse Thybulle5.725.77

Source: official injury report, 2023-04-09 17:30 ET. 15 rotation players.

RestGSW2 daysPOR1 days

Days since the team's previous game, capped at 5. One day means the second night of a back-to-back.

GSW2days

Last played Apr 7 against SAC.

POR1day, back-to-back

Last played Apr 8 against LAC.

The last 10 games behind these numbers, box-score totals

GSW

DateOppScoreFG3PFTTOVOREBOffDefPace
Apr 7@SAC119–9741-7816-3621-242410117.897.0100.5
Apr 4OKC136–12547-9520-4722-301319132.0123.8102.0
Apr 2@DEN110–11242-1059-4217-171522110.0112.0100.0
Mar 31SAS130–11547-9321-4915-211414131.3115.099.5
Mar 28NOP120–10943-8218-4016-221811118.8109.0100.5
Mar 26MIN96–9934-8215-4013-1716696.099.0100.0
Mar 24PHI120–11242-8818-5018-241110120.0110.9100.5
Mar 22@DAL127–12550-9012-3915-181311128.3125.099.5
Mar 20@HOU121–10844-8817-4816-191816119.8105.9101.5
Mar 18@MEM119–13339-9113-3528-341315122.7135.797.5

POR

DateOppScoreFG3PFTTOVOREBOffDefPace
Apr 8@LAC125–13647-8914-3217-23107121.4132.0103.0
Apr 6@SAS127–12951-9610-2815-18158117.6119.4108.0
Apr 4@MEM109–11942-9714-4211-17813106.9116.7102.0
Apr 2@MIN107–10543-939-3012-201011108.1106.199.0
Mar 31SAC114–13840-8519-3815-23189114.0135.3101.0
Mar 29SAC80–12030-939-3911-1214877.7116.5103.0
Mar 27NOP90–12435-907-3313-1512690.9124.099.5
Mar 26OKC112–11839-8214-3220-27188109.8116.8101.5
Mar 24CHI96–12437-866-3116-18128100.0126.597.0
Mar 22@UTA127–11545-9313-4124-3087119.8108.5106.0

Off and Def are points scored and allowed per 100 possessions in each game; their averages are the 10-game ratings above. OREB is missing (–) where the source data didn't record it.

The result against the forecast

2022-23 surprise games
72%
pregame chance the forecast gave GSW, the winner
GSW was the forecast favorite
47 pts
margin miss
forecast −9, actual −56 for POR
1122nd
most surprising result of 2022-23
of 1,314 graded games
2nd
largest margin miss of 2022-23
outcome surprise 0.33 nats

Surprise is measured against this model's forecast, not against what other observers expected. Outcome surprise is −ln(winner's pregame probability): 0.69 for a coin flip, 2.3 for a 10% winner.

Team box score

What happened in the game. These numbers are not used by the forecast, and they are not offered as the reason it missed.

Team statGSWPOR
Final score157101
Field goals58–96 · 60.4%38–95 · 40.0%
Three-pointers27–49 · 55.1%9–35 · 25.7%
Free throws14–16 · 87.5%16–24 · 66.7%
Rebounds5830
Assists4725
Turnovers1514
Steals135
Blocks63

Where the forecast differed from the result

MeasureForecastActualActual − forecast
Home margin (POR)−9−56−47
Total points245258+13
GSW points127157+30
POR points118101−17

Recent form before this game

Golden State Warriors

DateOpponentResult
Apr 7 at SAC W 119–97
Apr 4 vs OKC W 136–125
Apr 2 at DEN L 110–112
Mar 31 vs SAS W 130–115
Mar 28 vs NOP W 120–109

Portland Trail Blazers

DateOpponentResult
Apr 8 at LAC L 125–136
Apr 6 at SAS L 127–129
Apr 4 at MEM L 109–119
Apr 2 at MIN W 107–105
Mar 31 vs SAC L 114–138

Previous meetings

DateMatchupScore
Feb 28 2022-23 POR at GSW POR 105 – 123 GSW
Feb 8 2022-23 GSW at POR GSW 122 – 125 POR
Dec 30 2022-23 POR at GSW POR 112 – 118 GSW
Feb 24 2021-22 GSW at POR GSW 132 – 95 POR
Dec 8 2021-22 POR at GSW POR 94 – 104 GSW