[Event "Sugartournament Noord-Holland 1970"]
[Site ""]
[White "Kouperman, Iser Josypovitsj"]
[Black "Drost, Frank"]
[Annotator "Ad de Hoon"]
[Result "2-0"]
[GameType "20"]
[Round "11"]
[Date "1970.12.29"]
[WhiteTime ""]
[BlackTime ""]
[TimeControl ""]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/4651.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/5313.jpg"]
[WhiteTitle ""]
[BlackTitle ""]
[WhiteRating ""]
[BlackRating ""]
[DamboTopLine "Sugartournament Noord-Holland 1970 Round 11"]
[DamboBottomLine "Kouperman, Iser Josypovitsj - Drost, Frank 2-0"]
[FEN "B:W11,24,25,30,35,36,37,45:B13,14,15,19,26,K49"] 55. ... 49-43 56. 11-06 13-18 57. 24x22 14-20 58. 25x14 43x48