lachesisq vs F7m_08

White played 16.Qxg5, capturing the black pawn on g5. The capture removes Black’s only pawn on the kingside, eliminates a potential passed pawn and opens the g‑file for White’s queen. After the move the board shows White’s queen on g5, white pieces remain coordinated, while Black still threatens c3, e5 and f4. No material is lost; White is now a pawn up and Black’s pieces on a8, c7, e8, g8 and h8 remain undefended.

The engine marks 16.Qxg5 as the optimal move because it wins a pawn without creating any new weaknesses. Any alternative (e.g., retreating the queen or a quiet move) would leave the g‑pawn alive, allowing Black to generate counterplay on the kingside and keep the material balance. After Qxg5 Black’s best reply is 16…Kf8, which merely steps the king out of a potential future check; it does not regain the pawn. Thus the capture maximises material gain while keeping White’s king safe and preserving the initiative.

Take the pawn when it’s free and safe: Capturing an undefended pawn that also removes an opponent’s counter‑play is a fundamental tactic. Always ask, “Is the opponent’s piece defended? Does it create a threat if left on the board?” If the answer is no, seize it – the resulting material edge often decides the game.