"The Battle of Vilnius was a battle which took place on 16 April 1702 in the capital of Lithuania, Vilnius, during the Great Northern War. After having seen the city early seized by the Swedish army, the grand notary of Lithuania, Ludwik Konstanty Pociej launched a surprise attack with 3,000 men on the equally matched Swedes of 3,000 men under Carl Gustav Mörner stationed inside the city. The attack was, however, repulsed and the Polish army had to withdraw with a loss of 100 men killed and two cannons lost while the Swedes lost 50 men killed in the action." (2-4 board match - opponents, please just take one match)