[Event "Worldchampionship KNDB 1994"]
[Site ""]
[White "Wiersma, Harm"]
[Black "Kouperman, Iser Josypovitsj"]
[Annotator "Hanco Elenbaas"]
[Result "2-0"]
[GameType "20"]
[Round "9"]
[Date "1994.11.15"]
[WhiteTime "1:57"]
[BlackTime "1:53"]
[TimeControl ""]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/600.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/4651.jpg"]
[WhiteTitle "GMI"]
[BlackTitle "GMI"]
[WhiteRating "2427"]
[BlackRating "2382"]
[DamboTopLine "Worldchampionship KNDB 1994 Round 9"]
[DamboBottomLine "Wiersma, Harm - Kouperman, Iser Josypovitsj 2-0"]
[FEN "B:WK1,24,34,35,39:B4,9,10,16,17,27"]
{een variant van Harm Jetten:}
48. ... 17-22
49. 24-19 10-14
50. 19x10 04x15
51. 01-06 22-28
52. 06x33 27-31
53. 33-28 09-13
54. 34-29 13-18
55. 35-30 18-22
56. 28x17 31-37
57. 29-24 37-42
58. 17-03 {W+}