change log for P0004470 (close)

datetimeuserobjecttablefieldtypeoldnew
2021-06-0320:24:34Marcin Banaszek 2nd International Team Match 1967-1970 refsrc date  update1968-1970  1967-1970 
2021-06-0317:14:45Marcin Banaszek 2nd International Team Match 1968-1970 refsrc sourceid  updateQ0002648 Q0000717 
2014-07-0122:30:21Alfred Pfeiffer P0004470 problems stip  updateGewinn