Mortensen, Ja's chess openings
🇩🇰 DenmarkFIDE 201510 games
Mortensen, Ja, from Denmark, has 10 tournament games in the ChessPrep database. As White, Mortensen, Ja most often opens with 1.f4 (40% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...f5.
As White5 games · +1 =0 −4 · 20%
As Black5 games · +4 =0 −1 · 80%
As White
- 1.f4 Bird's Opening40%2 games · scores 0% · main line 1.f4 d5 2.Nf3 Nf6 3.e3 c5
- 1.d4 Queen's Pawn Opening40%2 games · scores 50% · main line 1.d4 d5 2.Nf3 Nf6 3.e3 Bg4
- 1.e4 King's Pawn Opening20%1 game · scores 0% · main line 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6
As Black against 1.e4
- 1...e6 French Defense100%1 game · scores 100% · main line 1.e4 e6 2.d4 d5 3.Nd2 h6
As Black against 1.d4
- 1...f5 Dutch Defense100%2 games · scores 100% · main line 1.d4 f5 2.c4 Nf6 3.Nc3 e6
Playing Mortensen, Ja soon?
ChessPrep shows every line Mortensen, Ja plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep