Sen Janssen's chess openings
🇳🇱 NetherlandsFIDE 17317 games
Sen Janssen, from Netherlands, has 7 tournament games in the ChessPrep database. As White, Sen Janssen most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...d5.
As White3 games · +1 =1 −1 · 50%
As Black4 games · +0 =1 −3 · 13%
As White
- 1.e4 King's Pawn Opening100%3 games · scores 50% · main line 1.e4 c5 2.Nf3 a6 3.d4 cxd4
As Black against 1.e4
- 1...e5 Open Game100%3 games · scores 17% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
As Black against 1.d4
- 1...d5 Closed Game100%1 game · scores 0% · main line 1.d4 d5 2.c4 Nf6 3.Nc3 Bf5
Playing Sen Janssen soon?
ChessPrep shows every line Sen Janssen plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep