Jan Boersma's chess openings
🇳🇱 NetherlandsFIDE 2096200 games
Jan Boersma, from Netherlands, has 200 tournament games in the ChessPrep database. As White, Jan Boersma most often opens with 1.e4 (85% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White100 games · +31 =32 −37 · 47%
As Black100 games · +17 =29 −54 · 32%
As White
- 1.e4 King's Pawn Opening85%84 games · scores 51% · main line 1.e4 c5 2.Nc3 Nc6 3.g3 g6
- 1.Nc3 Van Geet Opening14%14 games · scores 25% · main line 1.Nc3 d5 2.e4 d4 3.Nce2 e5
- 1.d4 Queen's Pawn Opening1%1 game · scores 0% · main line 1.d4 d5 2.Nf3 Nf6 3.Bf4 c5
As Black against 1.e4
- 1...c5 Sicilian Defense60%31 games · scores 29% · main line 1.e4 c5 2.Nf3 g6 3.d4 cxd4
- 1...e6 French Defense40%21 games · scores 31% · main line 1.e4 e6 2.d4 d5 3.Nd2 c5
As Black against 1.d4
- 1...Nf6 Indian Defense100%33 games · scores 35% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
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