Stockfish 18 chose a flexible setup against the French Defense, entering a King’s Indian Attack structure that emphasized space, patience, and long-term pressure. From the opening, the game felt strategic rather than tactical.

Instead of forcing early complications, Stockfish calmly expanded on the queenside and improved its pieces step by step. Viridithas defended accurately, but the position slowly began to favor White as space and coordination became more important.

The middlegame was a quiet squeeze. Stockfish restricted counterplay, kept the king safe, and steadily increased pressure. Every move seemed to improve the position just a little, making defense more uncomfortable with each turn.

When the position finally opened, Stockfish was ready. The transition into the endgame was smooth and well-timed, with superior piece activity and better pawn structure deciding the outcome rather than flashy tactics.

The finish was confident and clean. Stockfish converted the advantage without allowing any counterplay, demonstrating once again why it remains the gold standard of modern engine chess.