Dhaka, Aug 31 (UNB) - Grand Master Ziaur Rahman of Bangladesh went down to the 3rd slot from 2nd position in the 22nd Dubai Open Chess Tournament with three points after the 4th round matches held in Dubai, United Arab Emirates on Tuesday,GM Ziaur Rahman sharing the 3rd position with 29 other players after making a draw with Indian GM Harsha Bharathakoti in the 4th round match.. IM Mohammad Fahad Rahman, FM Tahsin Tazwar Zia, FM Mehdi Hasan Parag and FM Md Taibur Rahman of Bangladesh scored 2 points each from four matches. In Tuesday's other 4th round matches, FM Tahsin drew with GM Kuybokarov Temur of Australia,  IM Fahad beat Laddha Yash Jayesh of Malaysia, FIDE Master Parag beat Abid Ali Mujawar of India and FIDE Master Taibur beat Sadbhav Rautela of India.  Read: Dubai Open Chess: GM Zia, IM Fahad, FM Tahsin make good startsThe 5th round matches began on Wednesday at 7 pm Bangladesh time. In the 5th round matches, GM Zia playing against GM Suleymanli Aydin of Azerbaijan, IM Fahad playing with S. Prasannaa on India, FIDE Master Tahsin playing against Kuziev Miraziz of Uzbekistan, FIDE Master Parag playing with IM Haldorsen Benjamin of Norway while FIDE Master Taibur playing against IM Dushyant Sharma of India.