A dramatic penultimate round in the Women's Candidates

The Women's Candidates Tournament took a dramatic turn in round 13, completely reshaping the race for first place. Bibisara Assaubayeva defeated Anna Muzychuk with the white pieces to reach 7.5/13 and join Vaishali Rameshbabu at the top of the standings. In the other key result of the day, Vaishali escaped from a difficult game against Tan Zhongyi and secured a draw, preserving her share of the lead. Meanwhile, Zhu Jiner, who had started the round tied for first, failed to seize a golden opportunity: instead of moving into sole first place, she lost to Aleksandra Goryachkina. As a result, no fewer than six players remained in contention for tournament victory going into the final round, setting up one of the most tense finishes in recent Women's Candidates history.

The biggest beneficiary of the round was undoubtedly Assaubayeva. The Kazakh grandmaster had seemed to lose momentum after back-to-back defeats in the middle phase of the event, but she produced an impressive comeback in the closing stretch and scored her third win in the last four games. Against Muzychuk, she obtained a highly comfortable position straight out of the opening, and she did so while spending very little time on the clock. The resulting middlegame gave White a risk-free yet persistent edge. After the exchange on d5, Black came under increasing pressure, and the loss of a pawn soon became difficult to avoid. Although the technical conversion was not entirely without obstacles, Black's inaccuracy 32...a6? proved decisive, allowing Assaubayeva to convert her advantage in convincing fashion.

For Vaishali, on the other hand, round 13 was more a test of resilience than of attacking ambition. Under pressure for long stretches against Tan Zhongyi, the Indian star defended resourcefully, remained calm in critical moments, and managed to save half a point. In long round-robin events such as the Candidates, not only wins but also well-earned draws from difficult positions can shape the final standings; Vaishali's escape may prove just as important as a victory. By contrast, Zhu Jiner's loss to Goryachkina was a major psychological setback as well. She not only missed her chance to grab sole first place, but also surrendered the initiative at the most delicate stage of the tournament.

Another significant result came from Kateryna Lagno, who stayed in the hunt by defeating Divya Deshmukh. That leaves the tournament in a fascinating strategic situation ahead of the last round, with tiebreak scenarios, risk management, and practical decision-making all likely to play a major role. That is the nature of the Candidates: it is not enough to obtain good positions; one must also handle pressure and act decisively when opportunities arise. With Assaubayeva and Vaishali now sharing first place, and several pursuers still mathematically alive, the final round promises a tense and memorable conclusion for chess fans around the world.