Purpose: Convert tie scores to team scores.
On 29 July 2002, the database was updated to allow team scores aswell as tie scores. Prior to this time, team games were usually codedas such:2002/07/04;Tichu/4;(Dan;Fred);(JP;JeffF)Which leads to a Score table encoding of:scoreid,playid,playerid,score
11000,99,101,2
11001,99,951,2
11002,99,273,-2
11003,99,400,-2
This code updates such records to 2002/07/04;Tichu/2;Dan+Fred;JP+JeffFWhich leads to a Score table encoding of:scoreid,playid,playerid,score
11000,99,101+951,1
11002,99,273+400,-1