Sergej Jack's chess openings
🇩🇪 Germany6 games
Sergej Jack, from Germany, has 6 tournament games in the ChessPrep database. As White, Sergej Jack most often opens with 1.c4 (100% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...e6.
As White3 games · +0 =3 −0 · 50%
As Black3 games · +0 =2 −1 · 33%
As White
- 1.c4 English Opening100%3 games · scores 50% · main line 1.c4 Nf6 2.g3 e6 3.Bg2 d5
As Black against 1.e4
- 1...e6 French Defense100%1 game · scores 50% · main line 1.e4 e6 2.d4 d5 3.e5 c5
As Black against 1.d4
- 1...e6 Horwitz Defense100%1 game · scores 50% · main line 1.d4 e6 2.Nf3 Nf6 3.Bg5 Be7
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