Derek Tang

Derek Tang

PrimaryBarebow CountryUSA LocationCalifornia, USA
Primary Rating
598.4
± 59.0
Club Competitive Level

The ± value is your rating deviation (RD) measuring the uncertainty in the APR.

8Total Scores
1Rated Styles
8History Points
Mar 1, 2026Latest Score

Ratings by Style

Barebow
Overall APR
598.4
±59.0
Indoor: 546.7 (6 scores)
Outdoor: 736.5 (2 scores)
Scores: 8
Last competition: Mar 1, 2026
≈ 5.984 avg on 122cm/70m
Consistency Score: 67.4%
Based on 80 ends from 2 events
Peak Potential: 638.8 APR

Consistency measures how closely your arrow distribution matches the expected ASL model for your rating level. Peak Performance is what your rating potential would be with 100% consistency.

Predicted Scores Based on Current Rating

Projected round outcomes by style
Round Distance Current Rating Peak Potential
Score X Score X
WA Indoor 18m - Full Face Barebow 18.0m 468 3 485 3
WA 720 - 50m (122cm) Barebow 50.0m 539 2 559 2

Predictions use the APR reference model. Actual scores may vary with conditions.

Rating history

APR ±RD range Style benchmarks
Rating history data is available in the scores table below.

Recent Scores

Showing 1-8 of 8 scores
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Competition scores submitted for this archer
Date Event Round Distance Age Group Style Score X / 10s APR Peak Score Peak APR
Mar 1, 2026 57th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U18 Barebow 236 2 10s
560.9 Developmental APR

Developmental APR is used when the score is below the range where the standard solver is informative; the system maps performance to the APR scale in a simpler, conservative way.

How APR works

i
Mar 1, 2026 57th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U18 Barebow 207 0 10s
542.8 Developmental APR

Developmental APR is used when the score is below the range where the standard solver is informative; the system maps performance to the APR scale in a simpler, conservative way.

How APR works

i
Jul 20, 2025 2025 WIAWIS USA Archery JOAD Target Nationals WA 720 - 30m (122cm) 30.0m U15 Barebow 615 4X
742.6 Developmental APR

Developmental APR is used when the score is below the range where the standard solver is informative; the system maps performance to the APR scale in a simpler, conservative way.

How APR works

Jul 20, 2025 2025 WIAWIS USA Archery JOAD Target Nationals WA 720 - 30m (122cm) 30.0m U15 Barebow 608 3X
730.4 Developmental APR

Developmental APR is used when the score is below the range where the standard solver is informative; the system maps performance to the APR scale in a simpler, conservative way.

How APR works

Feb 23, 2025 56th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U15 Barebow 459 7 10s
569.0 Standard APR

Standard APR uses your total score and round geometry with the core ASL (arrow score level) model, then applies indoor or field adjustments when rules require them.

How APR works

i
485
3X
638.8
Feb 23, 2025 56th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U15 Barebow 454 7 10s
557.2 Standard APR

Standard APR uses your total score and round geometry with the core ASL (arrow score level) model, then applies indoor or field adjustments when rules require them.

How APR works

i
468
3X
597.3
Feb 25, 2024 55th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U15 Barebow 436 6 10s
515.9 Standard APR

Standard APR uses your total score and round geometry with the core ASL (arrow score level) model, then applies indoor or field adjustments when rules require them.

How APR works

i
466
3X
593.3
Feb 25, 2024 55th USA Archery Indoor Nationals WA Indoor 18m - Full Face 18.0m U15 Barebow 411 6 10s
462.1 Standard APR

Standard APR uses your total score and round geometry with the core ASL (arrow score level) model, then applies indoor or field adjustments when rules require them.

How APR works

i
456
3X
567.8