Bob Jansen's chess openings
🇳🇱 NetherlandsFIDE 2146152 games
Bob Jansen, from Netherlands, has 152 tournament games in the ChessPrep database. As White, Bob Jansen most often opens with 1.d4 (63% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...e6.
As White68 games · +32 =12 −24 · 56%
As Black84 games · +29 =18 −37 · 45%
As White
- 1.d4 Queen's Pawn Opening63%43 games · scores 56% · main line 1.d4 d5 2.Nc3 Nf6 3.Bf4 e6
- 1.e4 King's Pawn Opening37%25 games · scores 56% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 e5
As Black against 1.e4
- 1...e6 French Defense60%29 games · scores 59% · main line 1.e4 e6 2.d4 d5 3.Nc3 Bb4
- 1...c5 Sicilian Defense15%7 games · scores 43% · main line 1.e4 c5 2.c3 d5 3.exd5 Qxd5
- 1...d6 Pirc Defense8%4 games · scores 25% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 g6
As Black against 1.d4
- 1...e6 Horwitz Defense42%8 games · scores 44% · main line 1.d4 e6 2.c4 f5 3.Nf3 Nf6
- 1...Nf6 Indian Defense37%7 games · scores 21% · main line 1.d4 Nf6 2.c4 c5 3.d5 e6
- 1...d5 Closed Game16%3 games · scores 0% · main line 1.d4 d5 2.c4 Nc6 3.Nc3 dxc4
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