Geert Jan Jonk's chess openings
5 games
Geert Jan Jonk has 5 tournament games in the ChessPrep database. As White, Geert Jan Jonk most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White2 games · +1 =1 −0 · 75%
As Black3 games · +0 =1 −2 · 17%
As White
- 1.e4 King's Pawn Opening100%2 games · scores 75% · main line 1.e4 c5 2.Nf3 a6 3.d4 cxd4
As Black against 1.e4
- 1...c5 Sicilian Defense100%2 games · scores 0% · main line 1.e4 c5 2.Nc3 d6 3.g3 e6
As Black against 1.d4
- 1...Nf6 Indian Defense100%1 game · scores 50% · main line 1.d4 Nf6 2.Nf3 e6 3.Bg5 Be7
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