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I missed the opportunity to gain a decisive amount of material in a game that's still going on but is way past this point (Note: black's move is only to demonstrate the effect of white's attack - white's moves are still optimal):
found it 1st try interesting
If you click on "Move List", you can see the alternative line(s), which in this case is Re8 Nc7, losing the exchange.
Nice one, it wasn't obvious.
Thanks! If it were obvious, I would have played it in the game...