Wesley So and Alexander Onischuk were tied for first place at the end of the final Round 11. Two rapid tie-break games were all it took to decide the US Chess Champion for 2017 — no need for an Armageddon game.
US Chess Championship 2017 Tie-Break Results
Wesley So won the first game after opting for complications in the middle game. Onischuk, being on time trouble from these complications, wasn’t able to hold on and succumbed to bad moves and lost.
In the second game, Onischuk with white was up two pawns leading to the end game, but time pressure caught up to him again and So forced a perpetual check, and thus a draw.