VCT (Victory by Continuous Threats) is VCF's bigger sibling: a winning chain built from fours AND open threes. The gain: threes are cheaper than fours, so the chains start earlier and reach further. The price: an open three is a threat, not a check — the opponent may answer it with a counter-four of their own, so every three must be checked; when you see both kills, prefer the VCF. In this position white has no counter-four anywhere, so the rhythm is pure: an open three first, white forced to block; then a 4-3 — the row rushes four while a column becomes an open three — white forced again; the second three runs out to an open four, and white's single move cannot hold both ends. Five. Now run that first line yourself: find the move that turns row 7 into an open three while quietly lining up the 4-3 that follows.
Solve the remaining tasks to finish this lesson.