Would Playwright not have been your selection in the Albury Gold Cup? It's formline was s643, had run over increasing distances in those 3 races leading up the Cup, and it was tab #4 as opposed to the winner #10 Paddy O'Reilly (rating of 102 compared to Paddy's 76).

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...time held me green and dying, though I sang in my chains like the sea. - Dylan Thomas