Skip to main content

Terjemahan otomatis. Bahasa Inggris adalah versi acuan; kami akan terus menyempurnakan redaksinya. Menemukan sesuatu yang bisa diperbaiki? Beri tahu kami.

Intermediate

On-Base Percentage

Also known as: OBP, on-base %, get-on-base rate

Definition

On-base percentage adalah proporsi plate appearance di mana seorang pemukul berhasil mencapai base dengan aman — lewat hit, walk, atau hit-by-pitch. Ini adalah prediktor statistik tunggal terbaik untuk nilai seorang leadoff hitter dalam slow-pitch.

OBP = (Hits + Walks + Hit by Pitch) / (At-Bats + Walks + Hit by Pitch + Sacrifice Flies). Pemukul yang mencapai base 40% dari plate appearance-nya jauh lebih bernilai bagi rally offense dibanding pemukul yang mencatat rata-rata pukulan 0,400 tanpa walk sama sekali tetapi membuat 25 out dari 40 plate appearance yang sama. Pemukul di posisi atas lineup slow-pitch sebaiknya memprioritaskan OBP; pemukul power di posisi tengah lineup lebih dinilai dari RBI dan slugging. Dalam slow pitch rekreasional tanpa pencatatan statistik formal, tim dapat memperkirakan OBP hanya dengan menghitung berapa kali seorang pemain mencapai base per plate appearance sepanjang musim.

Beginner tip

Think of each at-bat as an opportunity to reach base — a walk, a single, and a hit by pitch all count the same in OBP. Avoid giving easy outs on pitches clearly outside the zone.

Advanced note

In slow-pitch, OBP is a better predictor of run production than batting average because the high-arc delivery creates more walk opportunities. Track your OBP separately and set a goal of .500+ in competitive leagues.

Example

Seorang leadoff hitter mencatat rata-rata pukulan 0,310 tetapi mendapat delapan walk dalam rentang 10 pertandingan — OBP sebenarnya adalah 0,430, membuatnya jauh lebih bernilai di posisi atas lineup dibanding yang ditunjukkan oleh batting average-nya saja.

Why it matters

OBP adalah fondasi dari rally offense. SwingVantage membantu mengidentifikasi celah plate discipline yang menurunkan tingkat on-base Anda dan mencegah rally dimulai.

How it shows up on video

On-base percentage (OBP) isn't directly visible in a single swing but reflects accumulated plate discipline and contact quality. Batters with high OBP show it through patient approaches — taking clear balls, protecting with two strikes, and making contact on competitive pitches rather than chasing. Over a game, their consistency is visible in how often they reach base compared to teammates.

Common mistakes

  • Focusing only on batting average or home runs and ignoring how often you make outs unnecessarily by swinging at bad pitches
  • Swinging at the first pitch even when it's outside the strike zone — giving the pitcher a free early out
  • Not counting walks as a success — a walk in slow-pitch moves runners and preserves the inning exactly as a single does
  • Treating every plate appearance as an opportunity to drive the ball rather than recognizing when getting on base by any means is the team's priority

In SwingVantage Motion Lab

SwingVantage can track at-bat outcomes over time to calculate OBP trends. This helps batters see whether their plate approach improvements are translating into more times on base.

Frequently asked questions

Berapa on-base percentage yang baik dalam softball slow-pitch?

Dalam slow pitch rekreasional, OBP 0,400 atau lebih tinggi tergolong kuat untuk seorang leadoff hitter. Karena walk cukup umum melawan pitcher yang kurang akurat, tim di divisi bawah mungkin melihat OBP leadoff di atas 0,500 dari pemukul yang sabar.

Still have a question about On-Base Percentage? Ask SwingVantage

Related guides & benchmarks

Put this into your swing

SwingVantage can spot this in your own swing — free to start.

See a sample Slow-Pitch Softball report first