fabianocaruana vs Indianlad

White moved the rook from f2 to h2 (Rh2). By stepping onto the h‑file, White forces Black's only logical reply 31...Rxh2, after which White recaptures with the king (32.Kxh2). The exchange eliminates Black's only active rook, brings the white king onto a safer square away from the back‑rank, and leaves material unchanged (both sides lose a rook). The position after the exchange removes any immediate threats on the seventh rank and neutralises Black's rook‑based pressure, while White retains the two bishops, knight and queen.

The engine marks Rh2 as the best move because any alternative (e.g., keeping the rook on f2 or moving another piece) would allow Black to keep the rook on the seventh rank, preserving the threat of ...Rxh2 later or ...Rxf2, and would leave White's king exposed on g1. By forcing the rook trade, White eliminates Black's most active piece, improves king safety, and avoids a potential back‑rank mate or loss of material. The line 31.Rh2 Rxh2 32.Kxh2 also keeps White's queen and bishops active while Black loses rook activity, giving White a clear positional edge that other moves cannot achieve.

Exchange When It Improves King Safety: If an opponent's piece is aggressively placed, trade it even at the cost of a piece of equal value when the exchange removes the opponent's activity and brings your king to a safer, more active square.