Reversed Leningrad Dutch P du Chattel vs H Ree, 1975 (A00) Uncommon Opening, 29 moves, 0-1 A closed Sicilian formation P du Chattel vs Van der Sterren, 1975  (B06) Robatsch, 26 moves, 1-0 A reversed Sicilian formation P du Chattel vs R Hartoch, 1975  (B20) Sicilian, 29 moves, 1/2-1/2 Reversed Leningrad Dutch G Welling vs J Vanheste, 1987 (A00) Uncommon Opening, 39 moves, 1-0 Hippo reversed G Welling vs J Dubbeldam, 1991  (A00) Uncommon Opening, 31 moves, 1-0 KIA G Welling vs P Murdzia, 1994 (A07) King's Indian Attack, 24 moves, 1/2-1/2 Reversed Leningrad Dutch G Welling vs T Szakall, 1996  (A00) Uncommon Opening, 55 moves, 1-0 Benoni reversed G Welling vs V Yemelin, 1997 (A00) Uncommon Opening, 40 moves, 1-0 Hippo reversed G Welling vs T Crispin, 1998 (A00) Uncommon Opening, 56 moves, 0-1 9 games