GM Ziaur Rahman and FM Subrata Biswas took the joint lead in the Dr Abul Kashem Chowdhury Memorial 2nd International Rating Chess Tournament Wednesday.
They both secured five points each after the sixth round of Category A matches at the National Sports Council in Dhaka.
IM Mohammad Minhaz Uddin secured the second position with 4.5 points.
FM Tahsin Tajwar Zia, CM Md Sharif Hossain and WFM Nazrana Khan Eva shared the third position after securing four points each.
Tutul Dhar took the sole lead in Category B of the tournament, securing seven points after the seventh-round matches.
Feroz Ahmed, Md Sajidul Haque and Abdul Momin shared the second position with six points each.
The fifth and sixth-round matches of Category A and the sixth and seventh-round matches of Category B were held today.
In the day's fifth-round matches of Category A, GM Zia beat FM Subrata, FM Tahsin beat Md Masum Hossain, CM Sharif outplayed CM Md Shawket Bin Osman Shaon, IM Minhaz beat CM Sohel Chowdhury, and Shafiq Ahmed outplayed CM Manon Reja Neer.
WFM Eva drew with CM Md Jamal, FM Khanderkar Aminul Islam drew with FM Syed Mahfuzur Rahman and CM Chanchal Kumer Ghosh drew with Md Abzid Rahman.
In the sixth-round matches, GM Zia beat CM Sharif, FM Subrota beat FM Tahsin, IM Minhaz beat Shafiq, FM KH Amin drew with CM Shaon, CM Jamal drew with Masum, WFM Eva beat CM Neer, Anata Choudhury beat Abzid, FM Mahfuz beat CM Chanchal, and Md Abu Hanif beat Avik Sarker.
In the sixth round matches of Category B, Tutul beat Sajid, Sayor beat Raison, Argho drew with Shafiq, Riad beat Rashed, Shuvo drew with Sakline, Feroz beat Arif, and Siddiq beat Ullash.
In the seventh round matches of Category B, Tutul beat Sayor, Feroz beat Shatadru, Raison drew with Riad, Siddiq drew with Nasir, Momin beat Argho, Sajid beat Shafiq, Sakline beat Ataur, and Shuvo beat Asif.
The seventh-round matches of Category A and the eighth-round matches of Category B will be held Thursday at 3:30pm at the same venue.