← Diamond-system library·Outside Umbrella·Inside & Outside Umbrella System
Difficulty:★★★★☆

Outside Umbrella — 3rd Rail Arrival = 1st Short Rail + 2nd Long Rail

Family 6 · Ticky · Umbrella & HookInside & Outside Umbrella System

Outside Umbrella

Free Solver ↗
101020203030404050506060707080706050123Ngắn 20B2 (30)Mở 50
Presets:
Steps:
Club Terms:Outside UmbrellaDù ngoàiDù ngược· Hit OB1 so the 1st short rail and 2nd/3rd long rail bounces flare outward in an outside-umbrella pattern.
3-Second FormulaDiamond System

Outside Umbrella: Short Rail 20 → Long Rail 30 → Open to 50

Hit short cushion first to flare out across both long cushions.

Cue Tip
12369
2h30 · 3 tips
2:30 running · 3 tips
Thickness
4/8
4/8 ball
Half-ball (4/8)
Stroke
Speed 3/5
Smooth follow
Table CompensationWatch kiss risk

OB1 crosses table; use 3/8 or 5/8 thickness to clear.· Apply base formula

3rd Rail Arrival · Tap cell to drawShort Rail Hit × Spin Expansion Factor
Short Rail Hit1.522.5
10
15
20
25

How to play it

Quick Recognition (Outside Umbrella)

Hit OB1 so the 1st short rail and 2nd/3rd long rail bounces flare outward in an outside-umbrella pattern.

3-Second Key Points

  • Formula: 3rd Rail Arrival = 1st Short Rail + 2nd Long Rail.
  • Table Rule: Hit short cushion first to flare out across both long cushions.
  • Parameters: Tip 2:30 running · 3 tips · Thickness Half-ball (4/8) · Stroke Smooth follow.
  • Kiss Control: OB1 crosses table; use 3/8 or 5/8 thickness to clear.

Table Condition Compensations

  • Standard: Apply base formula
  • Fast Cloth: Slide longer; aim −4 units
  • Slow Cloth: Wider bounce; add +5 units
  • Firm Speed: Firm speed delays spin; −3 units

System formula

Đích Băng 3 = Điểm chạm Băng ngắn × Hệ số mở (1.5..2.5)

Calculates 2nd and 3rd rail expansion when the cue ball hits the short rail first and flares out.