One Round, Two Leaders: So and Li Control the U.S. Championship Finish

One round remains in St. Louis, and both 2026 U.S. title races have reached the same numerical position: the leader is one full point ahead. Yet the stories behind those leads are very different. Wesley So has built his advantage through control, patience and the ability to survive the moments when his position was under pressure. Rachael Li, making her debut in the U.S. Women’s Championship, has taken a more turbulent route, repeatedly turning sharp and imperfect games into wins. Round 10 did not settle either championship, but it made the final-round logic unusually clear.

What changed in Round 10

According to Chess.com’s Round 10 report, So drew quickly with Hans Niemann and kept a one-point lead over Fabiano Caruana and Grigoriy Oparin. The day was not quiet elsewhere: Sam Shankland defeated Sam Sevian in a sharp Najdorf, while Levon Aronian beat Ray Robson in a queen endgame. Those results changed positions lower in the table but did not reduce So’s margin at the top.

In the women’s event, Li defeated Rose Atwell and moved another step toward the title. Alice Lee also won, beating Thalia Cervantes, so she remains the only player within one point of Li. Five of the six women’s games were decisive; Megan Paragua’s draw with Irina Krush was the exception. Li therefore enters the last round with a simple advantage that every tournament player wants: her result is still in her own hands.

Why So’s draw was a strong tournament decision

A short draw can look uneventful when viewed as a single game. In a tournament, however, the value of a result depends on the standings. So did not need to create complications against Niemann. Preserving the one-point gap meant transferring the burden of risk to his pursuers. They now need two events to occur at once: So must lose, and at least one of them must win. If So draws Sam Sevian in the final round, no pursuer can catch him.

This is not an argument that leaders should always play safely. Excessive caution can produce passive positions and make a player easier to attack. The practical lesson is narrower: when a draw mathematically secures first place, the leader should value stable positions, time on the clock and clear calculation more than the aesthetic appeal of an ambitious opening. So’s task is not to win the most memorable game of Round 11. It is to avoid giving Sevian a position in which one tactical error can erase ten rounds of work.

Li’s breakthrough is already larger than one result

Li’s run has developed quickly. Earlier in the event, her Round 6 victory over Alice Lee created a three-way tie at the top; our earlier report followed that turning point. By Round 9, Li had taken a full-point lead and secured her first international-master norm with two rounds still to play. Round 10 then tested a different skill: converting opportunity while the nearest rival also kept winning.

Her victory over Atwell was not merely another point in isolation. It prevented Lee from drawing level before the final day and forced the challenger into a must-win scenario. Li now faces Anna Zatonskih, while Lee has Black against Anna Sargsyan. A draw is enough for Li to become champion outright. If Li loses and Lee wins, the players would finish level and the title would require the event’s tie procedure. No other combination allows Lee to catch her.

Two different forms of control

So’s control is positional and tournament-based. He has created a buffer, then used that buffer to reduce volatility. Li’s control is psychological as much as mathematical: every time Lee wins, Li has answered with a result of her own. The common feature is resilience. Championship leaders are not necessarily the players who dominate every round. They are the players who prevent one difficult game from becoming a sequence of difficult games.

This distinction matters for club players. We often judge a tournament by our best move or worst blunder. Strong tournament play demands a longer memory. A saved draw can be as valuable as a brilliant win; a messy victory still counts; and the correct final-round strategy may be different from the strategy that would make sense in Round 1. Standings are part of the position. They should influence opening choice, clock management and the amount of risk a player accepts.

What to watch in the final round

For So, the key question is whether he can reach a structure with few forcing lines against Sevian. Caruana, facing Awonder Liang, and Oparin, facing Ray Robson, must play for wins while also hoping the leader loses. That asymmetry may encourage them to choose sharper openings than usual. It can also become a trap: forcing matters too early often creates weaknesses that the opponent can exploit.

For Li, the first milestone is simpler: stabilize the position against Zatonskih. She does not need to follow Lee’s game move by move if doing so distracts from her own board. Lee, meanwhile, has no reason to settle for a quiet draw against Sargsyan. The challenger must create winning chances, but she cannot control Li’s result. That is the final-round privilege Li earned over the first ten games.

A final round with clear stakes

The Saint Louis Chess Club’s official event page lists the final round for October 21. The US Chess Round 9 report also documents how both leaders established their one-point advantages before the penultimate round. Play begins at 1 p.m. Eastern time. By then, the strategic question will be visible on every board: can the leaders turn a full-point cushion into a title, or can the challengers create one last day of uncertainty?

Whatever happens, Round 10 has already supplied a useful lesson. Tournament control does not always look like an attack. Sometimes it looks like choosing the right draw. Sometimes it looks like winning again because the player behind you refuses to disappear. So and Li arrive at the same final-round margin, but they have shown two distinct ways to earn it.

Cover image: AI-generated editorial illustration.