I see! Rxg3 Kh6, followed by g5, Kh5, g4, and Kh4 (White cannot get a passed pawn on the queen-side. If the g-rook moves anywhere, Rxh3.)
sorry I should have made it more obvious. After 30 kg1, the computer says black has a drawish position after 30... re8.
I don't see how that is a draw. Can someone explain?
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