Checking out 147

The standard route

T20 T17 D18

After the first dart

leaves 87 — T17 D18

After the second dart: leaves 36 — D18

If the first dart misses

• T19 T18 D18
• T20 T19 D15
• T19 T20 D15

With two darts

There is no two-dart finish from here.