Jan Boer's chess openings
🇳🇱 NetherlandsFIDE 171845 games
Jan Boer, from Netherlands, has 45 tournament games in the ChessPrep database. As White, Jan Boer most often opens with 1.d4 (87% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...d5.
As White23 games · +4 =3 −16 · 24%
As Black22 games · +6 =2 −14 · 32%
As White
- 1.d4 Queen's Pawn Opening87%20 games · scores 23% · main line 1.d4 d5 2.c4 c6 3.Nf3 Nf6
- 1.e4 King's Pawn Opening9%2 games · scores 50% · main line 1.e4 e6 2.d4 d5 3.e5 c5
- 1.b3 Nimzo-Larsen Attack4%1 game · scores 0% · main line 1.b3 d6 2.f4 Nf6 3.Bb2 Nc6
As Black against 1.e4
- 1...c5 Sicilian Defense42%5 games · scores 40% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...d6 Pirc Defense33%4 games · scores 25% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 g6
- 1...e5 Open Game17%2 games · scores 50% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
As Black against 1.d4
- 1...d5 Closed Game57%4 games · scores 38% · main line 1.d4 d5 2.c4 c6 3.Nf3 Nf6
- 1...Nf6 Indian Defense29%2 games · scores 0% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
- 1...g6 Modern Defense14%1 game · scores 0% · main line 1.d4 g6 2.e4 Bg7 3.Nf3 c5
Playing Jan Boer soon?
ChessPrep shows every line Jan Boer plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep