Grand Master Ziaur Rahman suffered a shocking defeat against Feroz Ahmed in the third round match of the Walton International Rating Chess Tournament held at the Bangladesh Chess Federation Hall-Room on Monday.

Feroz Ahmed played with black pieces in the Colle system game and beat GM Ziaur Rahman in the 44th move.

National Junior Chess: CM Sakline Sajib emerges unbeaten champions in Open Division

The third and fourth round matches were held on Monday.

Four players are sharing the top slot, securing full four points each after the day's round matches.

National Junior Chess: FM Tahsin Tajwar Zia takes solo lead securing full 5 points

The leaders are: FM Subrota Biswas, IM Mohammad Minhaz Uddin, FM Md. Sharif Hossain, and Junior Champion CM Sakline Mostafa Sajid.

Seven players are sharing the second position, collecting 3.5 points each.

National Junior Chess: Five players share top slot securing four full points

They are: FM Tahsin Tajwar Zia, FM Manon Reja Neer, Anata Choudhury, FM Sheikh Nasir Ahmed, FM Syed Mahfuzur Rahman, Feroz Ahmed, and CM Md Sajidul Haque.

In the third round of matches on Monday morning, FM Tahsin Tajwar Zia beat Mohammad Shafiqul Islam, and FM Manon Reja Neer drew with FM Md Saif Uddin, FM Subrota Biswas beat Md Shafiqul Islam, IM Mohammad Minhaz Uddin beat Md Mutakabbir, Anata Choudhury beat WCM Ahmed Walijah, FM Sheikh Nasir Ahmed beat M M Zahirul Islam, and CM Md. Sajidul Haque beat FM Mehdi Hasan Parag.

Md Sharif Hossain beat Mortuza Mahathir Islam; CM Sakline Mostafa Sajid beat WFM Wadifa Ahmed; FM Syed Mahfuzur Rahman beat Mohammed Salim; Swarnavo Choudhury beat Sohag Hossain; CM Md. Shawket Bin Osman Shaon beat Md Jilani Hossain Mollah; CM Md Abzid Rahman beat Md. Anowar Hossain Dulal; Neelava Choudhury beat Arabee Jabayer Mahmud; and GM Reefat Bin Sattar beat Shamsul Kabir Chowdhury.

In the fourth round of matches on Monday afternoon, FM Tahsin Tajwar Zia drew with FM Syed Mahfuzur Rahman, FM Subrota Biswas beat Swarnavo Choudhury; IM Mohammad Minhaz Uddin beat CM Md Shawket Bin Osman Shaon; Anata Choudhury drew with Feroz Ahmed; FM Sheikh Nasir Ahmed drew with CM Md. Sajidul Haque, FM Md Sharif Hossain beat CM Md Abzid Rahman; CM Sakline Mostafa Sajid beat Neelava Choudhury; FM Manon Reja Neer beat Md Nasir Uddin, GM Reefat Bin Sattar beat FM Md Saif Uddin Lavlu, GM Ziaur Rahman beat Md Moniruzzaman Masud, and FM Mehdi Hasan Parag beat WFM Wadifa Ahmed.

The fifth round of matches will start on Tuesday from 3:00 pm at the same venue.