Filipino Grandmaster Wesley So scored his third-straight draw in the fourth round to drop in a four-way tie for second on Thursday in the 76th Tata Steel Tournament Masters in Rijksmuseum, Amsterdam.
The 20-year-old So and GM Anish Giri of the Netherlands agreed to a draw after 57 moves of the Queens Pawn Game.
So and Giri raised their scores to 2.5 points, the same score of GM Pentala Harikrishna of India and GM Sergey Karjakin of Russia.
Harikrishna defeated GM Loek Van Wely of the Netherlands on 29 moves of Catalan Opening while Karjakin outclassed GM Richard Rapport of Hungrary on 44 moves of French Winawer skirmish.
Top seed GM Levon Aronian of Armenia outplayed American GM Hikaru Nakamura after 44 moves of King’s Indian Classical to grab the solo lead with three points.
In other match, GM Leinier Dominguez of Cuba beat GM Fabiano Caruana of Italy after 108 moves of Ruy Lopez Opening. Dominguez, Caruana and Nakamura got two points each.
In the fifth round, So will be meeting GM Boris Gelfand of Israel, who also drew his fourth-round game with GM Arkadij Naiditsch of Germany. The other fifth-round games are Harikrishna-Giri, Caruana-Van Wely, Rapport-Dominguez, Nakamura-Karjakin and Naiditsch-Aronian.