National Champion Azeez Alade, who tied for first in this tournament also
1. White should play 1. a3! so that after 1... a5 2. a4, it is black's turn and black who is in zugzwang.
2. Austin's opponent could have won black's queen with 1. Qc7+ Ka8 2. Qc6+ Kb8 3. Bc7+ Ka7 4. Bb8+.
3. Black gets a winning position with 22... f4 23. Nf1 d4 24. Qsomewhere f3! and white's kingside falls apart.
4. Black can win a pawn with 7...Nxe5.