Chambishi have beaten Kafue Celtic 2-0 away in Lusaka to join Kansanshi Dynamos at the top of the FAZ National Division 1 table.
The 2002 Coca Cola Cup champions are making a strong case for promotion since their brief FAZ Super Division campaign in 2009.
Striker Kelvin Chomba scored a brace in this Week 13 match played on Sunday in Lusaka.
The win moves Chambishi to 25 points after playing 13 matches.
Celtic drops from number five to six on 22 points.
Both Chambishi and Kansanshi have 25 points each but the Solwezi side enjoys a superior goal difference.
Konkola Blades and Nchanga are now third and fourth on the table with 24 and 23 points respectively.
Elsewhere on Sunday, City of Lusaka missed a chance to go top of the table after losing 1-0 to Kabwe Youth Soccer Academy in Kabwe.
City drops from second into fifth place as they remain on 23 points from 13 matches played.
FAZ National Division 1 – Week 13 Results
Kansanshi Dynamos 1-1 Mufulira Wanderers
Muza 0-2 Konkola Blades
Livingstone Pirates 1-0 Zesco Shockers
National Assembly 0-0 Nchanga Rangers
Police College 2-0 Mpulungu Harbour
Kashikishi Warriors 0-0 Gomes
Kabwe Youth 1-0 City of Lusaka
Kafue Celtic 0-2 Chambishi
Zesco Malaiti 1-0 Trident