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    vs.      
John Marks is tied in the series against Robert Dougherty, 1-1.

event round table player one result player two
Grand Prix Philadelphia 2000143Marks, John (1816)Won 0-0Dougherty, Robert (1780)
Pro Tour New York 2000 Masters114Marks, John (1813)Lost 0-0Dougherty, Robert (1754)