hikaru vs Sina-Movahed

White played 30.a3, a quiet pawn move that does not address any immediate threats. Black still threatens ...e3 and ...f4, while White leaves the queen on g5 hanging and the rooks on c2 and h1 undefended.

Engine recommends 30.Qxh5, winning the pawn on h5. Capturing on h5 removes a pawn, creates a direct threat against Black's king, and forces Black to respond to the material loss. The queen capture also opens lines for White's rooks and keeps the initiative, whereas a3 wastes a tempo and allows Black to continue his pawn pushes.

Never Pass Up a Free Capture: When a tactical shot wins material, take it immediately; a pawn move that does nothing cannot compensate.

White played 33.Qxh5, taking the pawn on h5. Although the pawn is gone, the queen lands on a vulnerable square while Black's queen on b3 and knight on g4 generate decisive threats on a3, c2, d2 and e3. White's king and rooks remain poorly coordinated.

Engine suggests 33.Qf5, keeping the queen on a safe, active diagonal and maintaining pressure on Black's king side. Qf5 also guards the g4‑knight's attack squares and prepares to meet Black's threats with accurate defence. By playing Qxh5, White loses tempo, walks into a counter‑attack, and allows Black to generate multiple passed pawns.

Prioritize Piece Safety Over Greedy Captures: A capture that leaves your queen exposed can cost you the attack; keep the queen on a safe, active square.

White pushed 53.f5, advancing the pawn one square. The move does not create any new threats, and the pawn can become a target for Black's king. White's king remains passive on f3.

Engine recommends 53.Kg4, activating the king toward the centre and supporting the pawn majority. By bringing the king closer, White can both protect the pawns and increase pressure on Black's king, turning the endgame into a winning king‑and‑pawn race. The pawn push alone yields no advantage and even weakens White's pawn structure.

Activate the King in the Endgame: The king becomes a fighting piece; bring it forward before advancing pawns.

White played 55.g6, moving the g‑pawn forward while the f‑pawn on f5 stays vulnerable. Black's king on e5 can capture the f5 pawn, and Black's pawn on c5 is ready to advance.

Engine advises 55.f6, creating a passed pawn on the f‑file, restricting Black's king, and preparing to advance the g‑pawn later with support. The move f6 also blocks the king's access to f5 and forces Black to respond to the new passed pawn, whereas g6 leaves the f‑pawn loose and gives Black a clear target.

Create and Protect Passed Pawns in Pawn Endgames: Advance the pawn that creates a passed pawn and shields it with your king, rather than pushing a side pawn that leaves a weakness.