Gomoku VCF: .................................................................O.O............OXX.............OXOX..........X.XOO.X...........X.X............OO...............O.............X.................................................. b

Renju VCF #4996342 (3-move VCF)

To move: Black — find the move that forces a win by fours

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Winning line

H9 → H10 → J9 → G9

Why this move works

The answer is H9. It makes a four (one move from five), so White is forced to block at H10.

Then J9 is the key — it creates two winning points at once. White can stop only one, and you complete five at G9. Forcing the defense with fours until a double threat wins is the essence of VCF (Victory by Continuous Fours).

📖 Related reading

Gomoku & Renju Glossary — Fours, Open Fours, the Four-Three, VCF, and the Forbidden MovesA beginner-friendly glossary of the words that come up most in gomoku and renju: three, four, open four, four-three, VCF (continuous fours), and the forbidden moves (double-three, double-four, overline). Knowing them makes the VCF puzzles and explanations much easier to follow.