Lesson 4 · Triangles & the angle of support
Possession football is played in triangles: every carrier wants two passing lines, every shape wants depth and width at once. The board now shows the live geometry — sides in metres, angles in degrees.
⟡ Drag any of the three highlighted players and watch the numbers move.
Flatten the shape and the angles collapse towards 0° and 180°. Three players, but really one passing line — a single defender can shadow both options. Flat triangles are how possession dies.
Open the angles — every corner above roughly 30° — and each player now owns two genuinely different lines. The ball can always leave pressure in two directions. That is what “good support” means, in degrees.
⟡ Try to make all three angles larger than 30°.
Now add the opponent. The triangle that produces goals is passer–runner–last defender: passer in Zone 14+, runner level with the line, and an angle between them that lets the ball arrive behind. This is Lessons 2 and 3, drawn with three points.
⟡ Drag the striker offside — then bring him back level.
Step back out and the whole team is a mesh of triangles. A healthy shape has no flat ones: wherever the ball lands, two lines out. Scan the web, find the dead shapes, fix them with five-metre movements.
⟡ Drag players and watch the web re-knit itself.
One more angle worth owning: from wide areas, step infield to the Zone 14+ boundary before delivering. The ball now travels away from the goalkeeper, on a shorter flight, into the runner’s path — a pass, not a hopeful cross.
From wide areas, a ball delivered from infield — near the Zone 14+ boundary — travels away from the goalkeeper and arrives faster than one from the touchline.
Smith 2016 · §5.3.1 · n = 3,175 goals