Grandmaster Tigran Petrosian beat Tigran Kotanjian in Armenian Chess Championship round 4 to retain leadership with 4 points.

Avetik Grigoryan is 2nd with 3 points, followed by Zaven Andriasian and Robert Hovhannisyan.

Round 5 pairings are as follows: Zaven Andriasian - Tigran Petrosian, Tigran Kotanjian - Robert Hovhannisyan, Robert Aghasaryan - Hovik Hayrapetyan, Samvel Ter-Sahakyan - Arman Pashikian, Avetik Grigoryan - Hrant Melkumyan.